To see the other types of publications on this topic, follow the link: Sum of coherence.

Dissertations / Theses on the topic 'Sum of coherence'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Sum of coherence.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

Darré, Pascaline. "L'interféromètre à somme de fréquences ALOHA en bande H : Des tests en laboratoire jusqu'aux premières franges sur le ciel." Thesis, Limoges, 2016. http://www.theses.fr/2016LIMO0067.

Full text
Abstract:
La technique de l'interférométrie en astronomie permet d'observer des objets avec une haute résolution angulaire comparativement à l'utilisation d'un unique télescope. L'observation dans l'infrarouge moyen représente aujourd'hui un enjeu en interférométrie notamment pour l'étude des noyaux actifs de galaxie ou de la formation des planètes. Cependant ce domaine spectral est particulièrement contraignant puisqu'il est soumis à l'émission propre des éléments optiques de l'instrument mais également de l'atmosphère. Ce manuscrit développe les travaux effectués sur un nouvel instrument utilisant un processus de conversion de fréquence pour transposer le rayonnement infrarouge vers un domaine spectral permettant de s'affranchir de l'émission propres des optiques. Un prototype fonctionnant dans le proche infrarouge à 1,55 µm et convertissant, via une processus de somme de fréquences, le rayonnement dans le domaine visible autour de 630 nm grâce à une pompe intense à 1064 nm, a été mis en place pour démontrer, en laboratoire, le principe de cette solution innovante notamment dans le cadre de l'analyse de la cohérence spatiale d'un corps noir. L'objectif est maintenant de démontrer la capacité de l'instrument à détecter un objet réel. J'introduis dans cette thèse les notions théoriques essentielles à la compréhension des travaux présentés pour ensuite détailler le fonctionnement de l'instrument et les éléments d'amélioration apportés, notamment en terme de transmission, au cours de ma thèse. Les études préliminaires en laboratoire du comportement de l'instrument ont permis d'aboutir aux premières franges sur le ciel en utilisant la plus petite base (34 m) du réseau interférométrique CHARA et de rechercher la magnitude limite de l'instrument. L'utilisation du processus de conversion de fréquence a pour conséquence de filtrer le spectre converti. Ainsi dans la configuration actuelle de l'interféromètre, seul 0,6 nm du spectre infrarouge en entrée du cristal est converti à travers le processus de SFG. Afin d'augmenter la sensibilité, une solution est de créer plusieurs processus de SFG simultanément dans chaque étage de conversion afin d'échantillonner le spectre infrarouge converti. Cette solution requiert d'utiliser plusieurs sources de pompe indépendantes qui vont créer des systèmes de franges incohérents. Je présente l'analyse de la cohérence temporelle d'une source infrarouge large bande convertie via l'utilisation de deux sources de pompe et un moyen de synchroniser les différents systèmes de franges afin de maximiser le contraste
Interferometry is an instrumental technique suitable to perform astronomical observations at high angular resolution. Currently, the mid-infrared spectral domain is a real issue for the astronomical interferometry to characterize astronomical objects such as proto-planetary discs or active galactic nuclei. However, this spectral domain is subject to a large thermal background emission from the instrument and from the sky. This manuscript describes an innovative instrument using a nonlinear process of sum frequency generation to convert the mid-infrared radiation to a shorter wavelength domain where the thermal emission from the instrument is negligible. A prototype operating in the near-infrared at 1.55 µm and converting the radiation in the visible domain at 630 nm thanks to a strong pump at 1064 nm has already demonstrated its ability to analyse spatial coherence of a blackbody source. The present goal is to demonstrate its ability to detect an object on the sky. In this manuscript I introduce theoritical concepts necessary for an understanding of the overall operation of the instrument. Then, I describe the main improvements provided in this thesis, in particular concerning the instrumental transmission. The preliminary studies of the instrument operation resulted in the first on-sky fringes on the CHARA array and enabled to determine its limiting magnitude. The upconversion process acts as a filter on the converted spectrum. In the current instrumental configuration, only 0.6 nm of the input infrared spectrum is converted through the SFG process. For the purpose of increasing the instrumental sensitivity, we propose to sample the infrared spectrum by using several independent pump laser lines thus creating different incoherent fringe patterns. I present the temporal coherence analysis of a broadband infrared source converted by a dual-line pump laser and a method to synchronize the different fringe patterns to insure a maximum value of the contrast
APA, Harvard, Vancouver, ISO, and other styles
2

Kang, Bong-Gu, Joachim Hannawald, and Wolfgang Brameshuber. "Schallemissionsanalyse zur Untersuchung des Schädigungsverhaltens im Auszugversuch eines in Beton eingebetteten Multifilamentgarns." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1244045098499-20524.

Full text
Abstract:
Zur Untersuchung der Schädigungs- und Versagensmechanismen eines in Beton eingebetteten Multifilamentgarns im Auszugversuch wurde die Schallemissionsanalyse zur Identifizierung und Lokalisierung von Filamentbrüchen eingesetzt. Im ersten Schritt wurden dazu die Schall emittierenden Ursachen (Filamentriss, Filamentablösung und Mikroriss im Beton) für eine Differenzierung charakterisiert. Es wurden Versuche zur Erzeugung von isolierten Signalen durchgeführt, welche mit Hilfe der Signal- und Frequenzanalyse untersucht wurden. Bei dem durchgeführten Garnauszugversuch konnte eine hohe Lokalisierungsgenauigkeit der Filamentbrüche erzielt werden. Der Schädigungsverlauf des Garns während des Auszugversuchs konnte detailliert untersucht werden.
APA, Harvard, Vancouver, ISO, and other styles
3

Carlqvist, Warnborg Ylva. "KASAM och stress - här och nu : Perspektiv i samtida svensk forskning som använder SOC-skalan som verktyg: en litteraturöversikt." Thesis, Högskolan i Skövde, Institutionen för hälsa och lärande, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-12493.

Full text
Abstract:
Abstrakt Bakgrund: Antonovskys sense of coherence (SOC)/känsla av sammanhang (KASAM) är ett globalt använt begrepp. Mätverktyget SOC-skalan som förekommer i minst 15 olika versioner används inom många olika vetenskapliga studier. Syftet med denna litteraturöversikt är att beskriva vilka perspektiv och huvudsakliga resultat som lyfts fram i samtida svensk vetenskaplig forskning kring stress som använder SOC-begreppet och SOC-skalan. Metod: Text- och innehållsanalys av forskningsfokus och perspektiv i de senaste fem årens vetenskapliga studier kring stress och sense of coherence i Sverige. Resultat: SOC-skalan används i studier med olika design inom många olika forskningsområden. Dominerande perspektiv i samtida svensk forskning med SOC-skalan som huvudsakligt eller kompletterande verktyg är det holistiska perspektivet, individperspektivet, genusperspektivet samt föräldraperspektivet. Diskussion: SOC-skalans vetenskapliga användning speglar dagens svenska samhälls- och diskussionsklimat. SOC-skalans validitet och reliabilitet förblir föremål för diskussion, då olika versioner av SOC-skalan ger olika resultat och olika möjligheter till analys.
Abstract Background: Antonovsky’s sense of coherence (SOC) is a globally used concept. The SOC scale tool exists in at least 15 different versions and is used in many different scientific studies. The aim of this literature review is to describe which perspectives and main results are highlighted in contemporary Swedish research concerning stress that uses the SOC concept and the SOC scale. Method: Text and content analysis concerning research focus and perspectives in scientific studies concerning stress and sense of coherence in Sweden in the last five years. Results: The SOC scale is used in studies of different designs within many different fields of research. Dominating perspectives in contemporary Swedish research using the SOC scale as a main or complementary tool are the holistic perspective, the individual perspective, the gender perspective and the parental perspective. Discussion: The scientific use of the SOC scale reflects the social discussion climate in Sweden of today. The validity and reliability of the SOC scale remain subjects of discussion, as different versions of the SOC scale give different results and different analyzing possibilities.
APA, Harvard, Vancouver, ISO, and other styles
4

Haney, Derek J. "Magnetoresistivity and Quantum Criticality in Heavy Fermion Superconductor Ce1-xYbxCoIn5." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1469054369.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Isberg, Alexandra, and Susanna Lidén. "KASAM : livsfrågeformulär som intervention vid psykisk ohälsa." Thesis, University of Gävle, Department of Education and Psychology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-3708.

Full text
Abstract:

Isberg, A. & Lidén, S. (2008). KASAM- livsfrågeformulär som intervention vid psykisk ohälsa. Högskolan i Gävle; Institutionen för pedagogik, didaktik och psykologi.

 

Tidigare studier visar samband mellan KASAM, Känsla av sammanhang och människors upplevda hälsa. Då psykisk ohälsa tenderar att öka växer behovet av hälsofrämjande åtgärder. I och med detta ville vi studera om KASAM- livsfrågeformulär kunde användas som intervention vid psykisk ohälsa. Studien utgår ifrån en kvalitativ ansats för att få en djupare förståelse för hur deltagarna tänker och känner. Fyra deltagare med psykisk ohälsa har fyllt i KASAM- livsfrågeformulär samt intervjuats med syfte att undersöka om KASAM- livsfrågeformulär inneburit en förändrad förståelse för deltagarnas livssituation. Resultatet visar att deltagarna upplevde att KASAM- livsfrågeformulär inneburit nya reflektioner över sig själv och sin livssituation.

APA, Harvard, Vancouver, ISO, and other styles
6

Okemuo, Gloria. "The requirement of coherence in EU external relations law and the coherence of EU external action towards Sub-Saharan Africa : Mali as a case study." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7521/.

Full text
Abstract:
The principal aim of the Lisbon Treaty is to address the pre-Lisbon concerns about the coherence of EU action. In this regard, coherence is the simple litmus test for EU external action in the post-Lisbon era. This thesis investigates the coherence of EU external action towards Sub-Saharan Africa (SSA) in the post-Lisbon era in light of the requirement of coherence in EU external relations law and the introduction of the HR/VP and the EEAS in her service with the aim of enhancing coherence in EU external action. The principle of coherence governs the interaction between various policy strands of EU external action (horizontal coherence). The importance of coherence is linked to visibility and efficiency based on the effective use of EU resources, as well as to the credibility of the Union. This thesis concentrates on coherence in the interaction between EU policies towards SSA using the key EU policies towards the region namely development policy, trade policy, the CFSP and the CSDP. The regional context facilitates the analysis of the different strands of external action policies where, despite of or perhaps due to the Treaty of Lisbon, the different instruments of EU foreign policy and lines of competence demarcation between their institutions are still mired in complexity. Although the focus is on coherence, the specialised regional focus of the thesis also facilitates a broader understanding of the nuances in the implementation of EU external relations law and EU external policies in different contexts especially in the post-Lisbon era. Using Mali as a case study, the thesis submits that while it can be argued that policy coherence for development (which is a key requirement in EU external action towards SSA) cannot be certainly determined, Mali clearly illustrates incoherence vis-à-vis synergy in the sequencing of available policy options in EU external action towards SSA. The thesis also discussed the limits and prospects of coherence in EU external action despite the changes made at Lisbon.
APA, Harvard, Vancouver, ISO, and other styles
7

Amico, Isabella. "Copingstil och känsla av sammanhang : Som predikatorer för psykisk ohälsa." Thesis, Mälardalens högskola, Akademin för hälsa, vård och välfärd, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-33396.

Full text
Abstract:
Psykisk ohälsa ökar och enligt socialstyrelsen lider cirka 20 % av arbetsför ålder av psykisk ohälsa. En enkätundersökning genomfördes för att undersöka, hur stor betydelse kön, ålder, coping och känsla av sammanhang har på psykisk ohälsa? Totalt insamlades 108 enkäter var av 101 användes för analys. Data analyserades med hjälp av en hierarkisk multipel regressionsanalys och Pearson korrelationer. 39 % av variationen i psykisk ohälsa förklarades av KASAM, copingstil, ålder och kön. Starkast relaterad till ohälsa i regressionsanalysen var KASAM. Högre KASAM hos en individ innebär bättre psykisk hälsa. Diskussion förs kring bland annat fördelar och nackdelar med valda instrument, sned könsfördelning, samhällsnytta och enkätkonstruktion. Att se vilka faktorer som starkt påverkar psykisk ohälsa är av betydelse för vidare forskning för att sätta fingret på vad som påverkar psykisk ohälsa och till vilken grad.
APA, Harvard, Vancouver, ISO, and other styles
8

Ibrahim, Heide [Verfasser]. "Tracking coherences in a dissipative ocean: Analysing and controlling Br2/Ar matrix / Heide Ibrahim." Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1023097702/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Moss, Erik, and Jimmy Kindkvist. "Flytten utan sammanhang : En kvalitativ studie om professionellas syn på ungdomar som omplaceras mellan SiS och HVB." Thesis, Karlstads universitet, Institutionen för sociala och psykologiska studier, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-39084.

Full text
Abstract:
Uppsatsen handlar om tre verksamhetschefers och en behandlingsassistents uppfattningar om hur ungdomar som vistas på Hem för vård och boende (HVB)- eller Statens Institutionsstyrelse –hem (SiS, som kan använda låsbara avdelningar), påverkas av de omplaceringar som sker när ungdomen flyttar från SiS till HVB. I den här studien fokuserar vi på en specifik del i behandlingen, som kan påverka ungdomar som är vårdplacerade – omplaceringar mellan vårdboenden. Vi undersöker bland annat hur dessa omplaceringar går till/skulle kunna gå till, samt vilka anledningar som kan tänkas vara bakgrunden till att en ungdom omplaceras. Som underlag för vår studie har vi utöver litteratur och forskning inom området, genomfört fyra intervjuer med personal från HVB och SiS boenden. Vi använder anknytningsteorin och Sense of coherence modellen som teoretisk referensram. Resultatet visar att det finns brister gällande omplaceringar. Samtliga informanter önskade mer tid till förberedelserna i arbetet med ungdomen som ska flytta in. Ett önskemål vore att det från beslut till inflyttning skulle ta 3-6 månader, då det ger möjlighet för personalen på det nya boendet att besöka ungdomen och börja knyta band redan innan flytten ska genomföras. Slutsatsen blir att omplaceringen spelar roll för ungdomens behandling och vistelse på boendet. Samtidigt är det oroväckande att det saknas tydliga riktlinjer för hur dessa omplaceringar ska ske. Om mer resurser och tydligare riktlinjer kring omplaceringar gavs, kan det minska det antal omplaceringar där ungdomen tvingas flytta tillbaka till SiS. Idag får ungefär var fjärde ungdom flytta tillbaka igen.
This paper investigates the perspective of managers' and processing staffs concerning young people living on a Home for care or living(HVB)- or Institutional board of the states- home (SiS - they can use lockable departments), and how they think youths are affected by the transfer between SiS and HVB. This study focus on factors that can affect young people's health - replacing youths between different nursing homes. The paper investigates how these replacements are performed/could be performed, as well as the underlying factors that might explain why a youth is being relocated. As a basis for our study, in addition to the literature and research in the field, we have conducted four interviews with personnel from HVB- and SiS- accommodations. We use the attachment theory and the Sense of coherence theory as a theoretical frame. The results show that there are shortcomings in the process of redeployment. All informants wanted more time to prepare the work of a youth who is about to move. A proposal from the informants, was that the process from decision to the actual moving should take between 3-6 months. This would give the staff in the new accommodation a chance to visit the youth and begin to build ties, before the move is implemented. The conclusion is that the transfer has an important role in the treatment and the stay of the youth. At the same time, it is of great concern that there are no clear guidelines for how these replacements should be performed. If there would be more resources and clearer guidelines for how redeployments should be handled, it might perhaps reduce the number of shifts where young people are moving back to SiS. Today approximately one of four youth needs to move back.
APA, Harvard, Vancouver, ISO, and other styles
10

Tan, Boon Kok. "Development of coherent detector technologies for sub-millimetre wave astronomy observations." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:398fda64-e486-4917-b2e4-8e1dfe5d5c83.

Full text
Abstract:
Superconductor-Insulator-Superconductor (SIS) mixers are now used regularly in sub- millimetre astronomical receivers. They have already achieved sensitivity approaching the quantum limit at frequencies below the superconducting gap of niobium (~680 GHz). Above that, the mixer performance is compromised by losses, unless materials with higher superconducting gap are employed in conjunction with the niobium tunnel junction. In this thesis, we present the development of 700 GHz niobium SIS mixers, employing a unilateral finline taper on a thin Silicon-On-Insulator (SOI) substrate. These mixers are broadband with full on-chip planar circuit integration, and require only a very simple mixer block. They were designed using rigorous 3-D electromagnetic simulator (HFSS), in conjunction with a quantum mixing software package (SuperMix), and have demonstrated good performance with the best noise temperature measured at 143 K. Our mixer devices were fed by multiple flare angle smooth-walled horns, which are easy to fabricated, yet retain the high performance of corrugated horns. The radiation patterns measured from 600–740 GHz have shown good beam circularity, low sidelobe and cross-polarization levels. In this thesis, we also present SIS mixer designs with balanced and sideband separ- ating capability. These mixers employ back-to-back finline tapers, so that the RF and local oscillator (LO) signals can be injected separately without a beam splitter. We have fabricated and tested the performance of the balanced mixers, and analysed their performance thoroughly. We have also investigated a new method of generating LO signals by beating the tones of two infrared lasers. Using the current 16-pixel 350 GHz SIS receiver, HARP-B, we have observed the 12CO J=3→2 emission lines from two nearby galaxies. An important result we found is that the 12CO J=3→2 correlates strongly with the 8 μm Polycyclic Aromatic Hydrocarbon emission.
APA, Harvard, Vancouver, ISO, and other styles
11

Svendsen, Ingrid Hartveit. "Veiledning som helsefremmende bidrag : På hvilken måte kan veiledning bidra til opplevelse av sammenheng i arbeidet som miljøpersonell i psykisk helsevern, sett i lys av Aaron Antonovskys begrep Sense of coherense?" Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for voksnes læring og rådgivningsvitenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-14572.

Full text
Abstract:
Å arbeide som miljøarbeider i psykisk helsevern er krevende, og kan føre til utmattelse, utbrenthet og sykemeldinger. Dette forskningsarbeidet har som tema hvordan veiledning kan være helsefremmende for de som deltar. Med utgangspunkt i Aaron Antonovskys teori om salutogenese og sense of coherence, på norsk opplevelse av sammenheng, har jeg undersøkt hvordan veiledning kan bidra til en slik opplevelse av sammenheng. Gjennom en kvalitativ studie med dybdeintervju av tre miljøarbeidere som arbeider i psykisk helsevern, har jeg sett på hvordan elementer i veiledning bidrar til opplevelse av begripelighet, håndterbarhet og mening. Jeg har hatt et spesielt fokus på narrativer og nyskriving av historien, som en måte å skape sammenheng i tilværelsen. For analysering av datamaterialet har jeg brukt både en Voice Centred Relational- metode og Interpretativ Phenomenological Analysis (IPA). Studien viser at det er betydningsfullt for opplevelse av sammenheng å få hjelp til å sette ord på erfaringer og å reflektere over egen person og praksis. Det er også betydningsfullt å være i deltager i en gruppe. Forskningen min viste at i tillegg til veiledningsgrupper var det et viktig supplement at miljøarbeiderne også får kollegaveiledning og kollegial bistand i avdelingen der de jobber. Forskning som kunne vært interessant i kjølvannet av denne studien, men som det ikke har vært mulighet for å gjøre innenfor oppgavens rammer er om kjønn har betydning for hvordan veiledning oppleves, og veiledning som kompetansehevende verktøy.
Working as a social worker in mental health care is demanding, and can lead to exhaustion, burnout and sick leave. This thesis is based on a qualitative research project where the main topic is how counseling can be health enhancing for those who participate. Empirical basis are in-depth interviews with three social workers working in mental health care. The research material is viewed through the lenses of Aaron Antonovsky’s theory on salutogenesis and sense of coherence. Analysis the data I have used both Voice Centred Relational method and Interpretative Phenomenological Analysis (IPA). The aim has been to examine how counseling can contribute to a sense of coherence. More specifically I have looked at how elements in counseling contribute to experience of comprehensibility, manageability and meaningfulness. I have had a special focus on narratives and rewriting of one's history as a way to create coherence in the existence. The study shows that to articulate experiences and reflect on own person and practice is an important contribution in creating and maintaining sense of coherence. It is also significant to participate in a group. My research showed that in addition to counseling groups, colleague counseling and collegial assistance in the department where they work, is an important supplement for the social workers that participated in the study. In the wake of this study I find it would be both interesting and useful to do research into the role of gender in counseling: to take a look at how men and women experience counseling, and its use as a tool for increasing competency. This lies outside of this project and cannot be investigated at this time.
APA, Harvard, Vancouver, ISO, and other styles
12

Cox, Jonathan A. "Sub-femtosecond precision timing distribution, synchronization and coherent synthesis of ultrafast lasers." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/71514.

Full text
Abstract:
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 180-189).
In this thesis, we present a complete set of techniques for sub-femtosecond measurement, control and distribution of ultrafast optical pulse trains, with respect to pulse timing and phase. First, analytical analysis of the balanced optical cross-correlator (BOC) for attosecond precision pulse timing measurement is presented for both short and long crystal devices. It is found that the sensitivity of the long crystal BOC is independent of pulse duration, to first order. In addition, analytical noise models predict 13 as rms resolution, within a 1 MHz bandwidth, for optical pulses consistent with a practical fiber optic timing link. This analysis aids the widespread adoption of the BOC technique for other wavelengths and implementations. Secondly, long term timing distribution of a 200 MHz ultrafast optical pulse train over 340 m of single mode optical fiber is demonstrated, using the BOC. In this way, the group delay of the fiber link is directly stabilized with unprecedented precision and longterm stability. In addition, by distributing the entire optical pulse train, all optical and RF harmonics are provided at the remote location for direct synchronization of remote ultrafast lasers and microwave electronics. Over 168 hours of continuous, unaided operation, a drift of 5 fs rms is achieved, with less than 1.5 fs rms drift at timescales up to 10,000 seconds. Additional analysis of factors effecting performance, such as polarization mode dispersion and fiber nonlinearity is studied through experiment and simulations. It is found that nonlinear-origin drifts can be avoided for pulse energies below 40 pJ. A chirped pulse method could be implemented to distribute pulses of higher energy. Thirdly, the first quantum-resolution timing jitter measurement of ultrafast laser timing jitter for passively mode-locked lasers up to the Nyquist frequency is presented. The total jitter from for a 79.4 MHz stretched pulse erbium fiber laser is found to be 2.6 fs rms [10 kHz, 39.7 MHz]. It is found that the timing jitter power spectral density scales with frequency according to that expected for a white noise source, in agreement with theory. However, unexpected spurious jitter at high frequencies can occur for some mode-locked states, adding up to 5.5 fs rms jitter. Similar measurements of a 200 MHz erbium fiber soliton laser reveal the decay time of center frequency fluctuations to be 17 ns, with a predicted excess noise of approximately ten. These measurements suggest that timing jitter can be decreased through improved amplifier design. Finally, the synchronization of a 8 fs fiber supercontinuum at 1200 nm to a 7 fs Ti:Sapphire laser pulse train at 800 nm is achieved for both pulse timing and phase with attosecond precision. This achievement is enabled by the development of a novel scheme for stabilization of the carrier envelope offset of the entire optical bandwidth of an octave spanning supercontinuum, without introducing excess timing jitter. In particular, by implementing an acousto-optic frequency shifting (AOFS) feedback system within a fiber supercontinuum source, carrier envelope phase locking, to the Ti:Sapphire laser, is demonstrated to within 200 mrad rms [100 Hz, 5 MHz]. Previous techniques lack the high-speed, orthogonal control of CEP and pulse timing and broad optical bandwidth for synthesizing few-cycle optical pulses. Furthermore, timing synchronization of 280 as rms is achieved through combined piezoelectric and electro-optic feedback on the fiber supercontinuum, as measured with the BOC. This work enables the synthesis of a frequency comb spanning 650 to 1400 nm, resulting in a 3.5 fs transform limited pulse duration-assuming ideal spectral phase compression. To date, the spectrum has been successfully compressed to 4.7 fs, as measured with two-dimensional spectral shearing interferometry (2DSI). Moreover, by stabilizing a fiber supercontinuum source to a low-noise Ti:Sapphire laser, the ultra-high stability of the Ti:Sapphire laser is fully transferred to the octave spanning supercontinuum.
by Jonathan A. Cox.
Ph.D.
APA, Harvard, Vancouver, ISO, and other styles
13

GOULART, VIVIANE P. "Espectroscopia de fluorescência na otimização da terapia fotodinâmica em carcinoma espinocelular de pele e sua avaliação utilizando tomografia por coerência óptica." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9941.

Full text
Abstract:
Made available in DSpace on 2014-10-09T12:33:03Z (GMT). No. of bitstreams: 0
Made available in DSpace on 2014-10-09T14:06:05Z (GMT). No. of bitstreams: 0
Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
APA, Harvard, Vancouver, ISO, and other styles
14

Perandersdotter, Emelia. "Den som står bredvid dig behöver inte alltid stå dig nära : Stödnätverkets betydelse för ungdomars välbefinnande." Thesis, Mälardalen University, School of Sustainable Development of Society and Technology, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-792.

Full text
Abstract:

Forskning visar att ungdomar verkar må allt sämre. Undersökningen testade eventuella samband mellan ungdomars stödnätverk och deras känsla av sammanhang (KASAM), språk/kulturs påverkan på dessa faktorer, samt vad som är viktigt hos en stödperson. Enkätfrågor om det sociala nätverket, för att fastställa KASAM samt om vem man vänder sig till i olika situationer besvarades av 147 gymnasieungdomar från Mälardalen. Positivt samband mellan KASAM och ungdomarnas stödnätverk påvisades. Ungdomarna vände sig främst till familjen vid behov av stöd, men kompisar var också viktiga, speciellt för tjejer. Det viktigaste hos en stödperson var att lyssna, vara förstående, finna lösningar, att den känner individen, samt att den är snäll. Tidigare forskning verkar kunna befästas - att ungdomar med ett starkt stödnätverk mår bättre.

APA, Harvard, Vancouver, ISO, and other styles
15

Appeltooft, Malin, and Kajsa Rundström. "Livskvalitet hos patienter som överlevt sepsis : en litteraturöversikt." Thesis, Sophiahemmet Högskola, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-3505.

Full text
Abstract:
Bakgrund Sepsis är en livshotande dysfunktion i ett eller flera organsystem orsakad av stört systemiskt svar på infektion. Patienterna som överlevt sepsis upplever ofta övergående eller permanenta komplikationer med påverkan på deras livskvalitet. Livskvalitet är inget fast begrepp men kan beskrivas som personens nivå av välmående. Det går att mäta livskvalitet. De vanligaste mätinstrumenten är EQ-5D och SF-36. Patienter med sepsis finns i de flesta områden som allmänsjuksköterskans kompetens täcker och därför är det viktigt att öka kunskapen och förståelsen kring patientgruppen och hur patienternas livskvalitet påverkas efter sjukdomsförloppet.  Syfte Syftet med studien var att belysa patienters livskvalitet efter sepsis.  Metod I den här studien användes litteraturöversikt som design. Resultatet är baserat på 14 artiklar av kvantitativ design, och en artikel med kvalitativ design från databaserna PubMed och CINAHL som publicerats mellan 2009–2019. Artiklarna har kvalitetsgranskats med hjälp av Sophiahemmet Högskolas modifierade bedömningsunderlag. Artiklarna analyserades genom integrerad analys. Resultat Livskvaliteten påverkas negativt av att drabbas av sepsis. Resultatet visade att patienter som överlevt sepsis upplever en lägre grad av livskvalitet efter sepsis än innan insjuknandet, samt att patienterna har en lägre grad av upplevd livskvalitet efter sepsis jämfört med generell population utan sepsis. Resultatet presenteras i fyra domäner: fysisk, psykisk, social och funktionell livskvalitet.  Slutsats Livskvaliteten hos personer som överlevt sepsis är lägre än allmänhetens. Livskvaliteten påverkas i domänerna fysisk-, psykisk-, social- och funktionell livskvalitet. Sjuksköterskans kunskap och förståelse kring livskvaliteten hos personer som överlevt sepsis är viktig för att bedriva omvårdnad som förbättrar patientgruppens livskvalitet.
APA, Harvard, Vancouver, ISO, and other styles
16

Larsson, Anna, and Jonas Melin. "Personlighet och känsla av sammanhang som prediktorer för avhopp från grundläggande militär utbildning." Thesis, Örebro universitet, Institutionen för juridik, psykologi och socialt arbete, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-49009.

Full text
APA, Harvard, Vancouver, ISO, and other styles
17

Andersson, Sofia, and Maria Yenioglu. "Kultur som friskvård : för ökad känsla av sammanhang." Thesis, Mälardalen University, Department of Social Sciences, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-483.

Full text
Abstract:

Kan kulturaktiviteter vilka erbjuds genom arbetet, resultera i ett ökat välmående för den anställde och eventuellt även en ökad känsla av sammanhang? Detta är utgångspunkten för uppsatsen, som tar sin början i Antonovskys salutogena perspektiv och KASAM, vilket mäts kvantitativt på två grupper där Grupp 1 utgjordes av anställda på arbetsplatser där kulturaktiviteter regelbundet erbjöds och Grupp 2 av anställda på en arbetsplats utan kulturaktiviteter. Genom deltagarnas resultat på KASAM formuläret, utlästes att kulturaktiviteter och ett deltagande i dessa visar ett samband med en ökad KASAM hos individen. Uppsatsen diskuterar sedermera hur kulturkonsumtion kan vara en bidragande mental hälsofaktor av lika vikt som den av arbetsplatser mer erkända uppbyggnaden av fysisk hälsa, genom träning för förebyggande av sjukdom och ohälsa.

APA, Harvard, Vancouver, ISO, and other styles
18

Dunning, Michael Patrick. "Coherent terahertz radiation emitted by a sub-picosecond electron beam in a magnetic chicane." Diss., Restricted to subscribing institutions, 2009. http://proquest.umi.com/pqdweb?did=1905693481&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

Full text
APA, Harvard, Vancouver, ISO, and other styles
19

Raele, Marcus Paulo. "Desenvolvimento de um sistema de tomografia por coerência óptica no domínio de Fourier sinsível á polarização e sua utilização na determinação das matrizes de Mueller." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/85/85134/tde-16112009-165948/.

Full text
Abstract:
Este estudo abordou os aspectos teóricos e experimentais relacionados ao desenvolvimento de um sistema de tomografia por coerência óptica (OCT) no domínio de Fourier sensível à polarização (PS-FD-OCT) e a sua utilização na determinação da Matriz de Mueller (MM-OCT). O estudo iniciou-se com uma revisão bibliográfica que abordou desde os primeiros estudos relacionados à técnica até o estado da arte, bem como o formalismo matemático da interferometria de baixa coerência no domínio espectral e polarização da luz. Realizaram-se estudos baseados em simulação numérica sobre três tipos diferentes de algoritmos, responsáveis pela recuperação do sinal de espalhamento, sendo eles: a Transformada de Fourier Direta; Interpolação e Zero-Filling. Ao fim dessa etapa concluiu-se que o algoritmo Zero-Filling 2N apresentou melhores características quando comparado aos outros algoritmos. Na parte experimental, primeiramente, diferentes arranjos OCT foram montados e medidas realizadas para verificação aspectos relacionados à teoria. Consecutivamente, utilizando uma amostra polimérica, realizaram-se imagens de birrefringência, que permitiram a determinação da birrefringência da amostra quantitativamente. Finalmente, imagens em diferentes estados de polarização foram realizadas, através delas determinou-se as imagens referentes aos elementos das Matrizes de Mueller, que foram analisadas individualmente.
This study approached theoretical and experimental aspects related with the development of a polarization sensitive, Fourier domain, optical coherence tomography system (PS-FD-OCT) and its utilization on the Mueller Matrix determination. This work began with a bibliographic revision, which describes since the early studies to the actual state of the art of the technique. The mathematical formalism of Fourier domain low coherence interferometry and light polarization was performed as well. Studies based on numerical simulations, of three different algorithm types, responsible to recover the scattering profile, were done. The implemented algorithms were: Direct Fourier Transform, Interpolation and Zero-Filling. By the end of the simulation study, was possible to conclude that the algorithm Zero-Filling 2N presented better characteristics when compared with the others. In the experimental part, firstly different OCT setups were assembled and measurements were done in order to verify aspects related with the theory. Then, using a polymeric sample, birefringence images were performed, which allowed determining the sample birefringence quantitatively. Finally, images taken of different polarization states were collected, and through then images related with the Mueller Matrix elements were calculated, which were analyzed individually.
APA, Harvard, Vancouver, ISO, and other styles
20

Jidhamre, Emma, and Klara Lithammer. "Körsång som icke-farmakologisk omvårdnadsåtgärd - en möjlig väg att påverka känsla av sammanhang : systematisk litteraturstudie." Thesis, Uppsala universitet, Institutionen för folkhälso- och vårdvetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-335888.

Full text
Abstract:
Background There is scientific evidence that choir singing has a positive impact on health, both physically and mentally. Choir singing can affect, among other things, respiratory patterns, brain function, communication skills, well-being and quality of life. According to Antonovsky’s theory of sense of coherence health increases through the degree of comprehensibility, manageability and meaningfulness. Aim The aim is to compile knowledge about choir singing as a non-pharmacological therapy measure for patients who seek outpatient care or are living in a nursing home, as well as to research if choir singing can be an influencing factor for the patient's sense of coherence. Method Systematic literature study based on ten scientific original articles published between 2006 and 2017. The article search took place in the ASSIA, CINAHL, PsychINFO and PubMed databases. Review of original articles according to quality review templates. Results A majority of the studies examined showed that choir singing could be a non-pharmacological therapeutic measure when interventions improved the participants' management of their health problems. Even the sense of coherence increased among the participants. A generalized result can not be guaranteed since the number of participants in most studies was not enough, in some cases due to non-response. Conclusion Choir singing can be a tool for patients to handle their health problems through an increased sense of coherence. In order to strengthen the level of health and raise the quality of life in society, choir singing should be used as one of several non-pharmacological therapeutic measures.
Bakgrund Det finns vetenskaplig evidens för att körsång har en positiv inverkan på hälsan, både fysiskt och psykiskt. Körsång kan bland annat påverka andningsmönster, hjärnfunktion, kommunikationsförmåga, välbefinnande och livskvalitet. Enligt Antonovskys teori om känsla av sammanhang (KASAM) ökar hälsan genom graden av begriplighet, hanterbarhet och meningsfullhet. Syfte Syftet var att sammanställa kunskap om körsång kan vara en icke-farmakologisk omvårdnadsåtgärd för patienter vilka uppsökte hälso- och sjukvården inom öppenvård eller bodde på ett omvårdnadsboende, samt om körsång kunde vara en påverkande faktor för patientgruppens känsla av sammanhang. Metod Systematisk litteraturstudie baserad på tio vetenskapliga originalartiklar publicerade mellan 2006 och 2017. Artikelsökning skedde i databaserna ASSIA, CINAHL, PsychINFO och PubMed. Granskning av originalartiklar genomfördes enligt kvalitetsgranskningsmallar. Resultat En majoritet av de granskade studierna påvisade att körsång kunde vara en icke-farmakologisk omvårdnadsåtgärd då interventionerna förbättrade deltagarnas hantering av deras hälsoproblematik. Även känsla av sammanhang ökade hos deltagarna. Ett generaliserbart resultat gick inte att säkerställa då deltagarantalet i de flesta studier inte var tillräckligt stort, i vissa fall på grund av bortfall. Slutsats Körsång kan genom ökad känsla av sammanhang vara ett verktyg för patienter att hantera sin hälsoproblematik. För att stärka graden av hälsa och höja livskvaliteten i samhället bör körsång tillämpas som en utav flera icke-farmakologiska omvårdnadsåtgärder.
APA, Harvard, Vancouver, ISO, and other styles
21

Eriksson, Johanna. "Tjänstemannen som utvecklingsresurs - en fallstudie om tjänstemannens handlingsutrymme i organisatoriska utvecklingsprocesser." Thesis, Malmö högskola, Fakulteten för hälsa och samhälle (HS), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-26068.

Full text
Abstract:
This essay is the result of a case study. The aim of this study has been to gain an understanding of government employee’s opportunity to be involved in and contribute to the processes tied to organizational development. The case study is based on the perspective of the government employees and their experience and thoughts regarding their opportunity to be a part of the organizational development. The empirical data that was generated by the case study has been analysed with New Public Management and Sense Of Coherence as a theoretical point of view. The case study has shown that government employee’s experience of being a part of the organizational development is very shifting depending on several influencing factors such as political control, governing within the organization and the employee’s own will and capacity to contribute to the organizational development. The case study has also shown the need to adapt the structure and governing of the organisation in order to be able use the full capacity of the government employees connected to organizational development.
APA, Harvard, Vancouver, ISO, and other styles
22

Minh, Vu Nhat. "Optimal Signaling Schemes and Capacities of Non-Coherent Correlated MISO Channels under Per-Antenna Power Constraints." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1533115867950851.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Hanafi, Bilal, and Sabiha Hasanbegovic. "Det aktivitetsbaserade kontoret som scen -En kvalitativ fallstudie om det aktivitetsbaserade kontorets inverkan på sociala interaktioner på en myndighet i mellansverige." Thesis, Örebro universitet, Institutionen för humaniora, utbildnings- och samhällsvetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-83511.

Full text
Abstract:
As work life is evolving due to globalization and digitalization so are office spaces, new circumstances acquire new more flexible ways of working. There has been an increase in offices changing from the traditional cellular office to open and activity-based landscapes. Activity - based workplaces or ABW are designed to adapt to working needs and are said to be flexible where employees themselves can choose seating depending on their preferences and task at hand. While ABW seems to have certain benefits including cutting cost of unnecessary workspace and increased flexibility we are looking to understand the effects ABW has on social interactions & coherence. We are also interested in finding out what strategies the employees use to handle the new way of working and maintain efficiency. Research this far has shown that the architectural disposition of the office space needs to be equipped with distinct rules and regulations, that productivity has shown to increase after a move to a ABW and that the pre-conditions for employee satisfaction are present. The study is of a qualitative nature and is based on  semi-structured interviews with five employees in an government organisation. Each of the employees has different occupational roles within the organisation. The theoretical framework used to analyze the results are parts of Goffman’s (2014) Dramaturgical Perspective and the results found show both pros and cons for an activity based approach. The study shows that social interactions to a large extent are regulated by the architectural disposition of the office, that coherence with the other government organisations in the building has somewhat improved and that the employees use both physical and digital strategies of guiding impression to let their colleagues know that they do not wish to be disturbed and can maintain efficiency. The results also show that the employees carefully choose their work station for the day in an attempt to control the number of social interactions they have during the day.
Arbetslivet är i en ständigt förändring och med den ökade globaliseringen och digitaliseringen följer krav för ett mer flexibelt och tilltalande kontorslandskap. Den senaste trenden i Sverige handlar om aktivitetsbaserade kontor (Activity Based Working eller ABW) som följer med flera fördelar, som exempelvis kostnadsbesparingar. ABK erbjuder ett arbetssätt och spontanitet som kan bidra till att skapa nya möjligheter för medarbetare och organisationer men skapar även nya utmaningar för effektiviteten. Studien undersöker den sociala interaktionen och sammanhållningen medarbetare emellan i ABK. Centrala frågor är hur ABK påverkar medarbetarnas sociala interaktioner & sammanhållning och vilka strategier de anställda använder för att möta de nya kraven och bibehålla effektivitet. Tidigare forskning inom området visar att kontorets utformning behöver genomsyras av tydliga policys, att produktiviteten har blivit bättre efter en flytt till ABK och att förutsättningar som gjorde arbetstillfredsställelsen större fanns. Studien baseras på semistrukturerade intervjuer med medarbetare på en statlig myndighet i mellansverige, i analysarbetet tolkades intervjuerna med stöd i den teoretisk referensram som är Goffmans dramaturgiska perspektiv. Studiens resultat visar att sociala interaktioner styrs i stor grad av kontorets utformning, att samarbetet över avdelningar delvis förbättrats, sammanhållningen med de närmsta kollegorna försämrats och att de anställda använde sig av både fysiska och digitala strategier för intrycksstyrning för att möta de nya kraven som följer med ABK och bibehålla effektiviteten. Resultatet visar även att medarbetarna gör väl avvägda val av arbetsplacering i hopp om att sätta förutsättningar för sin prestation och sociala tillgänglighet.
APA, Harvard, Vancouver, ISO, and other styles
24

Johnell, Rakel, and Emelia Newman. ""Som syskon, fast ändå inte" : En studie av familjehemsföräldrars egna barns erfarenheter." Thesis, Stockholms universitet, Institutionen för socialt arbete - Socialhögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-70931.

Full text
Abstract:
The aim of this study was to provide an understanding of the situation of an often forgotten group in foster care, the carers’ own children. Our main focus was to explore this group’s experience of foster care, their experience of participating in caring for the foster children and their possible need of support and help. Our chosen method was qualitative interviews with six adult children of foster carers, two men and four women. The theory used in this study was Sense of Coherence. Our interviewees mainly gave a positive description of being part of a foster family, however they also gave examples of difficult situations and of loss. All of them gave different examples of how they had participated in the care of foster children, such as babysitting, defending foster siblings in school and supporting them. Despite their overall positive memories most of them wished they had been offered better support, preferably counseling with advice on how to act in difficult situations. The need for better information, as well as education about why the foster children act as they do, seemed important to the interviewees.
APA, Harvard, Vancouver, ISO, and other styles
25

Newman, Emelia, and Rakel Johnell. ""Som syskon, fast ändå inte" : En studie av familjehemsföräldrars egna barns erfarenheter." Thesis, Stockholms universitet, Institutionen för socialt arbete - Socialhögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-72399.

Full text
Abstract:
The aim of this study has been to create an understanding for the situation of an often forgotten group in foster care, the carers’ own children. Our main focus has been the experience this group has of foster care, their experience of participation in caring for the foster children and their possible need of support and help. Our chosen method has been qualitative interviews with six adult children of foster carers, two men and four women. The theory used in this study has been Sense of Coherence. Our interviewees gave mainly a positive description of being part of a foster family even though they could give examples of difficult situation and of loss. All of them gave different examples of how they had participated in the care of foster children, such as babysitting, defending foster siblings in school and supporting them. Despite their over all positive memories most of them wished they had been offered better support, preferably counseling with advice on how to act in difficult situations. A main focus for the interviewees seemed to be the need for better information as well as education about why the foster children act as they do.
APA, Harvard, Vancouver, ISO, and other styles
26

Bjerhem, Peter. "Relationer som läker - En studie om arbetssätt på hem för vård eller boende (HVB) för ensamkommande barn." Thesis, Malmö högskola, Fakulteten för hälsa och samhälle (HS), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-24634.

Full text
Abstract:
Abstrakt: Antalet ensamkommande barn som anländer till Sverige har ökat kraftigt de senaste åren. Detta gör att man vid mottagandet av dessa barn måste se till att deras behov efterlevs, även på lång sikt. Det ställs i synnerhet krav på de boenden där de flesta av barnen hamnar efter att de får permanent uppehållstillstånd. I denna studie efterfrågas hur personalen arbetar på dessa boenden, och vilka metoder som används. I studien har gruppintervjuer samt enkäter använts. Resultatet visar på att specifika metoder generellt anses som mycket användbara, men inte anses som något av det viktigaste i arbetet. Ospecifika metoder används betydligt mer, och bygger mycket på anpassning till olika situationer och klienter. Den viktigaste och mest användbara resursen i arbetet anses vara att ha en relation som bygger på förtroende och tillit, och att skapa trygghet. Synen på varför relationen är viktig är uppdelad, ofta mellan boendena, i praktiskt användbar och för den ensamkommande barnen emotionellt positiv. De som ser relationen som emotionellt positiv tenderar till att lägga större vikt vid relationsskapande.
The number of unaccompanied refugee minors arriving in Sweden has risen significantly in recent years. This calls for a reception in which their, (also long term) needs are covered. In particular, this accentuates the responsibility of the group-homes where most of these children and youth are placed after their asylum claims are accepted. In this study attention is focused on how the staff in these group-homes work, gaining information on current methods being used in the group homes, and exploring how effective and sufficient these methods are considered to be. The study involves a mixed-methods design, including both interviews and survey methods. The results show that specific group-home methods in general are perceived as very useful, but not the most important aspect in their work. Unspecific methods are used significantly more frequently, and are based in the ability to adapt to different situations and clients. The most important and useful resource in this work is considered to be having a relationship built on confidence and trust with the children, and to create a place of safety for the children. The perceptions of why the relationship is important are varied, often between the group-homes. Some emphasize practical areas, other emphasize emotional and developmental areas. Those who view the relationship as emotionally positive tend to further emphasize the importance of building relationships.
APA, Harvard, Vancouver, ISO, and other styles
27

Jorge, Mario Silva. "Estudo do eletroencefalograma em indivíduos sem déficits cognitivos e com 90 anos ou mais." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/5/5138/tde-10112017-115821/.

Full text
Abstract:
Este avaliou as características do EEG numa população de indivíduos nonagenários cognitivamente normais tanto através da analise visual como espectral. A amostra constituía de 42 sujeitos com idade que variava de 90 a101 anos (media de 92 DP 3,0 anos) clinica e cognitivamente saudáveis vivendo em seus lares e totalmente independentes oriundos do ambulatório do grupo de neurologia cognitiva do HC (acompanhantes) e da Casa Idoso. Eles foram submetidos a uma entrevista, exame neurológico, avaliação neuropsicológica e um EEG digital com programas capacitados a realizar analise espectral e de analise de coerência.Foi avaliado através da analise visual o PF (pico de freqüência) da banda alfa em áreas posteriores,a reatividade alfa a abertura ocular ,a presença de atividade lenta nas regiões temporais, a ocorrência de variantes benignas e de atividade epileptiforme espontânea. Através da analise espectral foi determinado o PF espectral da banda alfa nas regiões occipitais, e a coerência inter-hemisférica para a banda alfa entre os eletrodos P3P4 e O1O2. Os resultados deste estudo confirmam os vários trabalhos da literatura, que concluíram que em indivíduos idosos saudáveis a freqüência do ritmo alfa nas regiões posteriores do cérebro nunca foi menos que 8,0 Hz, e que as mulheres apresentam um pico de freqüência maior que os homens. A reatividade do ritmo alfa à abertura ocular foi observada em 41 sujeitos (97,61%) do total, e atividade lenta nas regiões temporais em 9 indivíduos (21,42%) com predomínio no hemisfério cerebral esquerdo. O valor médio para a coerência inter-hemisférica obtida para banda alfa em P3P4 e O1O2 foi respectivamente 0,61(DP 0,11) e 0,65( DP 0,13), e não foi detectado nenhuma diferença significa relacionada ao sexo, e nem uma redução deste valor com o envelhecimento. Conclusão: indivíduos idosos nonagenários cognitivamente normais apresentam um pico de freqüência para o ritmo alfa em áreas posteriores do encéfalo (eletrodos O1O2) igual ou maior que 8,0 Hz, e que valores abaixo desta faixa pode significar anormalidade e que as mulheres tem uma freqüência maior que os homens. A reatividade à abertura ocular do ritmo alfa permanece apesar da idade avançada e que sua ausência pode significar algum comprometimento funcional. A presença de alentecimento nas regiões temporais um achado que para muitos autores pode ser normal durante a senescência, foi observada neste estudo em somente 21% dos indivíduos, e não teve nenhuma correlação significativa com o perfil cognitivo e nem com o nível de escolaridade. A coerência para banda alfa em áreas posteriores (P3P4 e O1O2) não apresenta alteração importante durante o envelhecimento
This study evaluated the characteristics of the EEG in a population of cognitively normal nonagenarian individuals both through visual and spectral analysis.The sample consisted of 42 subjects ranging from 90 to 101 years (median of 92 years), clinically and cognitively healthy living in their homes and totally independent. In the outpatient clinic of the cognitive neurology group of the HC (companions) and of the Elderly House (Casa do Idoso). They were submitted to an interview, neurological examination, neuropsychological assessment and a digital EEG with programs capable of performing spectral analysis and coherence analysis. Through the spectral analysis it was evaluated the PF (peak frequency) of the alpha band in posterior areas, the alpha reactivity to ocular opening, the presence of slow activity in the temporal regions, the occurrence of benign variants and spontaneous epileptiform activity. Through the spectral analysis the spectral PF of the alpha band was determined in the occipital regions, and the interhemispheric coherence for the alpha band between the electrodes P3P4 and O1O2. The results of this study confirm a various studies in the literature, which concluded that in healthy elderly individuals the frequency of the alpha rhythm in the posterior regions of the brain was never less than 8.0 Hz, and that women presents a higher frequency peak than men. Reactivity of the alpha rhythm to ocular opening was observed in 41 subjects (97.61%) of the total, and slow activity in the temporal regions in 9 individuals (21.42%) with predominance in the left cerebral hemisphere. The mean value for the interhemispheric coherence obtained for the alpha band in P3P4 and O1O2 was 0.61 (SD 0.11) and 0.65 (SD 0.13), respectively, and no difference was detected related to sex, nor reduction of this value with aging. CONCLUSION: Cognitively normal nonagenarians (90 to 101 years of age) have a peak frequency of alpha rhythm in posterior brain areas (O1O2 electrodes) equal to or greater than 8.0 hz, and values below this range may be abnormal, and that women have a higher frequency than men. Reactivity ocular opening of the alpha rhythm remains despite advanced age and that its absence may also mean some functional impairment. The presence of slowing in the temporal regions, a finding that for many authors may be normal during senescence, was observed in this study in only 21% of the individuals, and had no significant correlation with the cognitive profile nor with the schooling level. The coherence for alpha band in posterior areas (P3P4 and O1O2) does not present significant alteration during the aging
APA, Harvard, Vancouver, ISO, and other styles
28

Palacios, Jaqueline. ""Vi jobbar utifrån det positiva" : Hälsofrämjande på arbetsplatser som mål och medel." Thesis, Mälardalens högskola, Akademin för hälsa, vård och välfärd, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-53181.

Full text
Abstract:
I det komplexa och moderna arbetslivet förändras både människor och organisationer. Detta leder till att hälsofrämjande på arbetsplatser får en allt större betydelse i samband med att alla förändringar ställer nya krav på organisationer och dess anställda. Syftet med studien var att undersöka på vilka sätt chefer aktivt arbetar för att främja och bibehålla den arbetsrelaterade hälsan hos medarbetare. Det genomfördes kvalitativa telefonintervjuer med åtta första linjens chefer, vilka var aktiva inom skolverksamheten, fritidsgårdsverksamheten, rättspsykiatriska vården och kommunen. Intervjuerna bearbetades genom tematisk analys, något som visade att chefer främjar och bibehåller sina medarbetares hälsa genom att ge medarbetarna möjlighet till kontroll och delaktighet i arbetet samt genom ett närvarande och stöttande ledarskap. Studien ansågs vara praktiskt användbar av nuvarande och framtida chefer som vill arbeta hälsofrämjande samt av intresse för de undersökta arbetsplatserna där studien kan fungera som ett synliggörande underlag kring det hälsofrämjande arbetet.
APA, Harvard, Vancouver, ISO, and other styles
29

Beny, Cedric. "Monte Carlo Study of the Magnetic Flux Lattice Fluctuations in High-Tc Superconductors." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/1222.

Full text
Abstract:
By allowing to measure the magnetic field distribution inside a material, muon spin rotation experiments have the potential to provide valuable information about microscopic properties of high-temperature superconductors. Nevertheless, information about the intrinsic superconducting properties of the material is masked by random thermal and static fluctuations of the magnetic field which penetrates the material in the form of vortices of quantized magnetic flux. A good understanding of the fluctuations of those vortices is needed for the correct determination of intrinsic properties, notably the coherence length ξ, and the field penetration depth λ. We develop a simulation based on the Metropolis algorithm in order to understand the effect, on the magnetic field distribution, of disorder- and thermally-induced fluctuations of the vortex lattice inside a layered superconductor.

Our model correctly predicts the melting temperatures of the YBa2Cu3O6. 95 (YBCO) superconductor but largely underestimates the observed entropy jump. Also we failed to simulate the high field disordered phase, possibly because of a finite size limitation. In addition, we found our model unable to describe the first-order transition observed in the highly anisotropic Bi2Sr2CaCu2O8+y.

Our model predicts that for YBCO, the effect of thermal fluctuations on the field distribution is indistinguishable from a change in ξ. It also confirms the usual assumption that the effect of static fluctuations at low temperature can be efficiently modeled by convolution of the field distribution with a Gaussian function. However the extraction of ξ at low fields requires a very high resolution of the field distribution because of the low vortex density.
APA, Harvard, Vancouver, ISO, and other styles
30

Wallin, Henrik, and Markku Hiltunen. "Studenters hälsa vid Växjö universitet : – en studie med KASAM, symtom och krav-kontroll-socialt stöd som utgångspunkt." Thesis, Växjö University, School of Social Sciences, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-1479.

Full text
Abstract:

The aim of this study was to examine the relationship between gender and self reported symptoms (physiological and psychological) and sense of coherence (SOC) and Job Demand-Control-Social support (JDCS). The sample consisted of 360 respondents (nfemale= 261, nmale= 99), in the ages between 19-53 (M=25,57, SD=5,77), all students from Växjö University. A quantitative work method was used in the study; data was collected using questionnaires that consisted of self-reported questions, based on three parts: A modified symptom checklist, SOC 13 and a modified JDCS questionnaire. The result of our study showed that both SOC and JDCS had an effect on self-reported symptoms but there were no interaction between SOC and JDCS. No significant gender differences were found regarding the level of SOC. Female students reported symptoms in a significant higher extent than male students. There were no gender differences regarding JDCS. Our results are discussed in relation to previous studies. Our conclusion is that it is important to perform further research on students’ health and work environment.

APA, Harvard, Vancouver, ISO, and other styles
31

Kloth, Evelina, and Cecilia Pettersson. "KASAM och Hardiness som skyddsfaktorer mot stress. Predicerar KASAM och Hardiness fullföljande av militärutbildning?" Thesis, Örebro universitet, Institutionen för juridik, psykologi och socialt arbete, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-48379.

Full text
APA, Harvard, Vancouver, ISO, and other styles
32

Unné, Anna. "Smärtskattning 0 -ett värde i sig. : Ett förbättringsarbete som synliggör skillnad mellan det som sägs och görs utifrån evidensbaserade smärthanteringsrutiner inom palliativ vård." Thesis, Hälsohögskolan, Högskolan i Jönköping, HHJ. Kvalitetsförbättring och ledarskap inom hälsa och välfärd, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-22573.

Full text
APA, Harvard, Vancouver, ISO, and other styles
33

Ljungberg, Frida, and Patricia Folkesson. "Kvinnor som varit utsatta för människohandel för sexuella ändamål : Hälsofrämjande omständigheter." Thesis, Hälsohögskolan, Högskolan i Jönköping, HHJ, Avd. för beteendevetenskap och socialt arbete, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-24432.

Full text
Abstract:
I denna c-uppsats har vi eftersträvat en förståelse kring vilka omständigheter som hjälper kvinnor utsatta för människohandel för sexuella ändamål att gå vidare och bygga upp ett nytt liv. För att nå denna förståelse har en kvalitativ intervjustudie genomförts där personer som hjälper dessa kvinnor har delat med sig av sina erfarenheter och kunskaper. Utifrån deras uttalanden har det i analysen gått att urskilja fem teman som beskriver de hjälpande omständigheterna. Dessa teman beskriver bland annat hur kvinnorna tar sig ifrån sina människohandlare med hjälp av andra, hur de beskrivs som starka överlevare, hur kvinnorna behöver tid, uppmuntran och få ordning på praktiska bitar samt hur nätverk och en framtidstro kan ge dem styrka. Dessa omständigheter, som framkom hjälpa kvinnorna att bygga upp ett nytt liv, tolkades sedan utifrån den salutogenetiska modellen med fokus på generella motståndsresurser samt en känsla av sammanhang. Med stöd av dessa teoretiska utgångspunkter framkom hur vissa generella motståndsresurser går att se i de hjälpande omständigheterna samt hur kvinnorna då verkar kunna skapa sig en känsla av sammanhang. Detta sammantaget skulle kunna förklara varför just dessa omständigheter hjälper kvinnorna att skapa sig ett nytt liv.
In this study we have attempted to create an understanding of which circumstances help women who are victims of trafficking for sexual exploitation to go ahead and build a new life. To achieve this understanding a qualitative interview study was made where people who help these women shared their experience and knowledge. Based on their statements five themes, that describe the helping circumstances, have been identified in the analysis. These themes describe for example how women get away from their traffickers through others, how they are described as strong survivors, how they need time, encouragement and to get order in practical issues and how relationships and a hope for the future can give them strength. These circumstances, which emerged help women to build a new life, were then interpreted based on the salutogenic model with focus on general resistance resources and a sense of coherence. With these theories as a starting point, it became clear how some general resistance resources can be seen in the helping circumstances and how the women seem to be able to find a sense of coherence. Taken together, this could explain why these circumstances help women build a new life.
APA, Harvard, Vancouver, ISO, and other styles
34

Messary, Nora. "Det är som att få en kram från cyberrymden : En intervjustudie om ätstörningsbloggar." Thesis, Örebro universitet, Institutionen för juridik, psykologi och socialt arbete, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-24077.

Full text
Abstract:
Syftet med föreliggande studie var att undersöka hur det kommer sig att vissa personer med ätstörningar väljer att starta en ätstörningsblogg samt hur de upplever sitt bloggande. Respondenterna bestod av fem kvinnor i åldrarna 23-35 år som bloggar om sina ätstörningar. En kvalitativ metod användes där semistrukturerade intervjuer genomfördes över telefon. Resultaten analyserades och tolkades med hjälp av känslan av sammanhang (KASAM) och copingteori. Resultaten visade att anledningarna till att starta en blogg var många, bl.a. kände respondenterna ett behov av en plats att ventilera sina tankar på, och att de genom att blogga om sina erfarenheter såg en möjlighet att hjälpa andra. Bloggen sågs också som ett sätt att kommunicera med sina anhöriga utan att behöva sitta ansikte mot ansikte. Bloggen upplevs medföra ökad social acceptans och den ses som ett positivt stöd i sjukdomen. Resultaten pekar på att bloggande kan ses som ett copingverktyg och att bloggen kan fungera som ett redskap för att begripa, hantera och se mening i ätstörningarna enligt komponenterna i KASAM.
The aim of the following study was to examine why some individuals who have been affected by eating disorders choose to write blogs and how they feel about this experience. The group of respondents consisted of five women aged 23-35, who currently write blogs about their eating disorders. A qualitative method was utilized by means of semi-structured interviews conducted over the telephone and then analyzed using sense of coherence and coping theory. The results showed that the main reasons to start a blog were seeing it as an outlet to vent emotions, a way to help others suffering from eating disorders and a means to communicate about problems without having to do so face to face. Furthermore the blog was viewed as a positive resource to deal with eating disorders and as a way of gaining social support. Blogging can thus be viewed as a coping tool and as a way to increase comprehensibility, manageability and meaningfulness according to the sense of coherence.
APA, Harvard, Vancouver, ISO, and other styles
35

Wilhsson, Marie. "Ungdomars strävan mot att lyckas och nå framgång i livet – skolan som hälsofrämjande arena." Doctoral thesis, Högskolan i Halmstad, Centrum för forskning om välfärd, hälsa och idrott (CVHI), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-34283.

Full text
Abstract:
Syfte: Avhandlingens övergripande syfte var att öka kunskapen om perspektiv på ungdomars hälsa som utgångspunkt för att utveckla hälsofrämjande insatser i skolan. Metod: Studie I hade en kvantitativ beskrivande tvärsnittsdesign. Datamaterialet inhämtades från 948 ungdomar (11-15 år) som analyserades med multivariat logistik regressionsanalys. Studie II hade en kvalitativ utforskande design. Datamaterialet inhämtades från 117 ungdomar (14-17 år) och analyserades med grundad teori. Studie III hade en kvalitativ beskrivande design. Datamatmaterialet inhämtades från 42 ungdomar (14-15 år) och analyserades med kvalitativ innehållsanalys. Studie IV hade en kvalitativ beskrivande design. Datamaterialet inhämtades från 27 intressenter och analyserades med kvalitativ innehållsanalys. Resultat: Ungdomarna strävar mot att lyckas och att bli framgångsrika i nuet och i framtiden. En strävan som för ungdomarna upplevs som en kamp om sin tid, en kamp som de hanterar genom att använda sig av olika strategier för att balansera skolarbete och fritid. Flickors strävan handlar om att nå framgång i skolan för att bli självständig i framtiden. För pojkarna innebär framgång att bli framgångsrika inom någon av sina fritidsaktiviteter så som sport, som visar deras fysiska styrka. Framgång i nuet är av betydelse för pojkarna till skillnad från flickorna som ser på sin framgång i ett längre perspektiv. Det hälsofrämjande arbetet bör inrikta sig på att stödja ungdomars känsla av sammanhang och stärka optimism redan tidigt i tonåren samt synliggöra organisatoriska och kontextuella strukturer och normer som påverkar flickors och pojkars hälsa och livsstil. Konklusion:Sammanfattningsvis visar avhandlingen att perspektiv på ungdomars hälsa bör förstås på olika nivåer i samhället och också inkluderar perspektiv på kön. Vidare bör faktorer som är av betydelse för ungdomars livsstil diskuteras utifrån ett salutogent perspektiv och det hälsofrämjande arbetet i skolan bör utveckla insatser med kontextuella och könsspecifika utgångspunkter för att främja flickors och pojkars hälsa och livsstil.
Aim: The overall aim of the dissertation was to gain greater knowledge about perspectives on adolescent´s health as a basis for developing actions to promote health in schools. Methods: Study I had a quantitative, descriptive cross-sectional design, in which the data was collected from 948 adolescent (11-15 years old) and analyzed with multivariate logistic regression. Study II had a qualitative, investigative design, in which the data was collected from 117 adolescent (14-17 years old) and analyzed with Grounded Theory methodology. Study III had a qualitative, descriptive design, in which the data was collected from 42 adolescent (14-16 years old) and analyzed with qualitative content analysis. Study IV had a qualitative, descriptive design, in which the data was collected from 27 stakeholders and analyzed with qualitative content analysis. Results: The adolescent aspire to make out and be successful both in the present and the future. This aspiration is experienced by the adolescent as a struggle about time, a struggle that they cope with by using various strategies to balance schoolwork and leisure. The girls’ aspiration is to achieve success in school in order to be independent in the future. Success, for the boys, entails being successful in one of their leisure activities such as sport, which demonstrates their physical strength. Success is of importance for the boys in the present, while on the other hand the girls view their success in a longer time perspective. The focus in health promotion should be aimed at supporting the adolescent´s sense of coherence, at strengthening their optimism early in their teenage years as well as making more visible the organizational and contextual structures and norms that affect the health and lifestyles of girls and boys. Conclusions: In summary, the dissertation shows that perspectives on adolescent’s health should be understood at different levels in society and include a gender perspective. Furthermore, factors that are important for adolescent’s lifestyle should be discussed from a salutogenic perspective and the health promotion performed in schools should develop actions that have contextual and gender-specific points of departure in order to enhance the health and lifestyles of girls and boys.
APA, Harvard, Vancouver, ISO, and other styles
36

Mebsout, Alain. "Inférence d'invariants pour le model checking de systèmes paramétrés." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112188/document.

Full text
Abstract:
Cette thèse aborde le problème de la vérification automatique de systèmesparamétrés complexes. Cette approche est importante car elle permet de garantircertaines propriétés sans connaître a priori le nombre de composants dusystème. On s'intéresse en particulier à la sûreté de ces systèmes et on traitele côté paramétré du problème avec des méthodes symboliques. Ces travauxs'inscrivent dans le cadre théorique du model checking modulo théories et ontdonné lieu à un nouveau model checker : Cubicle.Une des contributions principale de cette thèse est une nouvelle technique pourinférer des invariants de manière automatique. Le processus de générationd'invariants est intégré à l'algorithme de model checking et permet de vérifieren pratique des systèmes hors de portée des approches symboliquestraditionnelles. Une des applications principales de cet algorithme estl’analyse de sûreté paramétrée de protocoles de cohérence de cache de tailleindustrielle.Enfin, pour répondre au problème de la confiance placée dans le model checker,on présente deux techniques de certification de notre outil Cubicle utilisantla plate-forme Why3. La première consiste à générer des certificats dont lavalidité est évaluée de manière indépendante tandis que la seconde est uneapproche par vérification déductive du cœur de Cubicle
This thesis tackles the problem of automatically verifying complexparameterized systems. This approach is important because it can guarantee thatsome properties hold without knowing a priori the number of components in thesystem. We focus in particular on the safety of such systems and we handle theparameterized aspect with symbolic methods. This work is set in the theoreticalframework of the model checking modulo theories and resulted in a new modelchecker: Cubicle.One of the main contribution of this thesis is a novel technique forautomatically inferring invariants. The process of invariant generation isintegrated with the model checking algorithm and allows the verification inpractice of systems which are out of reach for traditional symbolicapproaches. One successful application of this algorithm is the safety analysisof industrial size parameterized cache coherence protocols.Finally, to address the problem of trusting the answer given by the modelchecker, we present two techniques for certifying our tool Cubicle based on theframework Why3. The first consists in producing certificates whose validity canbe assessed independently while the second is an approach by deductiveverification of the heart of Cubicle
APA, Harvard, Vancouver, ISO, and other styles
37

Weitzman, Jonathan M. "0-Hz-IF FSK/AM Sub-Carrier Demodulator on a 6U-VME-Card." International Foundation for Telemetering, 1996. http://hdl.handle.net/10150/611457.

Full text
Abstract:
International Telemetering Conference Proceedings / October 28-31, 1996 / Town and Country Hotel and Convention Center, San Diego, California
Aerospace Report No. TOR-0059(6110-01)-3, section 1.3.3 outlines the design and performance requirements of SGLS (Space Ground Link Subsystem) services. GDP Space Systems has developed a single card slot FSK (Frequency Shift Keying)/AM (Amplitude Modulation) demodulator. An application of this service is the US Air Force Satellite Command and Ranging System. The SGLS signal is tri-tone-FSK, amplitude modulated by a modified triangle wave at half the data rate. First generation FSK/AM demodulators had poor noise performance because the signal tones were filtered and processed at IF frequencies (65, 76 and 95 kHz). Second generation demodulators suffer from "threshold" due to non-linear devices in the signal path before the primary noise filtering. The GDP Space Systems demodulator uses a 0-Hz- IF topology and avoids both of these shortcomings. In this approach, the signal is first noncoherently down converted to baseband by linear devices, then it is filtered and processed. This paper will discuss the GDP 0-Hz-IF FSK/AM (SGLS) demodulator.
APA, Harvard, Vancouver, ISO, and other styles
38

Nilsson, Josefine, and Frida Löfgren. "Tillbaka till arbetet : En kvalitativ studie som belyser återgång till arbete efteren långtidssjukskrivning med psykisk ohälsa." Thesis, Högskolan i Halmstad, Akademin för hälsa och välfärd, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-40068.

Full text
Abstract:
Syftet med studien är att skapa en djupare förståelse för vilka faktorer som upplevs främja återgången till arbete efter en långtidssjukskrivning vid psykisk ohälsa, utifrån den sjukskrivnes perspektiv. Studien baseras på Karaseks och Theorells modell som består av krav och kontroll samt en teoriutveckling av socialt stöd i förhållande till krav och kontroll av Jeffery Johnson. Studien baseras även på teorin ”Känsla av sammanhang”, förkortat KASAM, som utvecklats av Aaron Antonovsky. För att få en djupare förståelse för vilka faktorer som upplevs främja återgången till arbete efter en långtidssjukskrivning vid psykisk ohälsa genomfördes samtalsintervjuer med fem personer. Resultatet i studien visar att stöd och kommunikation med arbetsgivare och kollegor är en framgångsfaktor vid återgången till arbetet. Det framkommer även i studien att arbetsträning är en framgångsfaktor men kan hämma återgången om den inte är verklighetsförankrad. Deltagare i studien menar att lägre krav och högre egenkontroll är främjande i återgångsprocessen. Slutligen framkommer det även att återgången underlättas när individen känner tillhörighet till arbetsplatsen och arbetsgruppen.
The aim of the study is to create a deeper understanding of which factors perceived to promote the return to work after a long-term sickness in mental health, based on the perspective of the sick-listed. The study is based on Karaseks and Theorells model consisting of demand, control and a theory development of social support in relation to demand and control by Jeffery Johnson. The study is also based on the theory ”a Sense of Coherence”, abbreviated KASAM, developed by Aaron Antonovsky. In order to gain a deeper understanding of which factors perceived to promote the return to work after a long-term sickness in mental ill-health, five interviews were conducted. The results in this study shows that support and communication with employers and colleagues is a success factor when returning to work. It also appears in the study that job training is a success factor but can inhibit the return if it is not reality-based. Participants in this study argues that lower demands and higher self-control are promotions in the return process. Finally, it also emerges that the return is facilitated when the individual feel a sense of coherence to the workplace and the working group.
APA, Harvard, Vancouver, ISO, and other styles
39

Bohman, Maria. ""Uppdraget som chef är att ge förutsättningar för att lösa, inte att lösa" : en kvalitativ studie om det goda ledarskapet, sett ur ledarnas perspektiv." Thesis, Högskolan Kristianstad, Sektionen för hälsa och samhälle, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-10578.

Full text
Abstract:
Engagerade, kompetenta medarbetare är en grundförutsättning för att sjukvården ska fungera idag och i framtiden. Framgångsrikt medarbetarengagemang kräver bland annat ett tydligt ledarskap där medarbetarna ges möjlighet till egenmakt. Förutom uppgiften som samordnare av mänskliga och materiella resurser visar och tydliggör ledaren organisationens värderingar, riktlinjer, mål och färdriktning. För att detta ska lyckas krävs färdigheter och kunskaper inom olika områden där folkhälsovetenskap och pedagogik troligen spelar en större roll än vad många ledare själv är medvetna om. Syftet med studien är att belysa hur ledare som utmärker sig positivt i bedömningen av ledaregenskaper resonerar kring sitt ledarskap samt hur de beskriver utövandet av sitt ledarskap. Studien syftar även till att undersöka hur och i vilken omfattning olika modeller för hälsa och lärande finns med i det ledarskap som studeras. För insamling av data användes kvalitativa intervjuer av semistrukturerad karaktär med sju första linjens chefer på ett universitetssjukhus som, i av sjukhuset fastställda parametrar för gott ledarskap, visat bra resultat. Intervjuerna transkriberades och analyserades utifrån kvalitativ innehållsanalys. Resultatet visar att cheferna till stor del använder olika modeller för hälsa och lärande, till exempel känslan av sammanhang och lärandets loopar, om än omedvetet. Genom tydlighet och delaktighet skapas förtroende, förståelse och drivkrafter så att alla arbetar mot samma mål och medarbetarna känner sig som en viktig del av ett sammanhang. Genom att fokusera på hur cheferna som inkluderades i studien resonerar kring sitt ledarskap och hur de använder olika modeller för hälsa och lärande kan erfarenheterna från studien förhoppningsvis användas i framtida ledarskapsutbildningar, chefsrekryteringar och ledarförsörjningsprogram. Erfarenheterna kan spridas så att fler chefer, på olika nivåer, ökar sina kunskaper och sin medvetenhet kring modellerna för hälsa och lärande i syfte att skapa en god arbetsmiljö där medarbetare trivs och stannar kvar och där patienterna får den bästa tänkbara vården.
Dedicated, qualified employees are essential conditions to the healthcare system to function today and tomorrow. Succesful employee commitment requires for instance a clear leadership where employees are given the opportunity to empowerment and where the leader in addition to the task as coordinator of human and material resources shows and clarifies the values, guidelines, goals and direction of the organization. To succeed in this, skills and knowledge in different areas are required and where public health and pedagogics probably plays a much larger role than many leaders are aware of. The aim of this study was to highlight how the leaders who is characterized positively reason about their leadership and how they describe the practice of their leadership. The aim was also to examine how and to what extent models for health and learning are parts of this leadership. Qualitative interviews of semistructured nature with seven firstline managers who, by the hospital defined parameter, had showed good results, were used as data collection. The interviews were transcribed and analyzed by qualitative content analysis. The results showed that the managers largely used different kinds of models for health and learning, even if unconsciously. By clarity and participation, confidence, comprehension and motivations are created so that everyone is working towards the same goal and the employees feel like important parts of a coherence. By focusing on how these managers exert their leadership and how they are using different models this experience can be used in future leadership training, executive recruitment and programs of leadership succession. The experience from this study can be spread so that managers, in different levels, increase their knowledge and their awareness about the models in order to create a working environment where employees thrive and remain, and where the patients get the best possible care.
APA, Harvard, Vancouver, ISO, and other styles
40

Mazza, Solange de Cassia Maranhão. "Senso de coerência e lócus de controle e sua relação com a qualidade de vida de trabalhadores qualificados." Pontifícia Universidade Católica de São Paulo, 2015. https://tede2.pucsp.br/handle/handle/15409.

Full text
Abstract:
Made available in DSpace on 2016-04-28T20:39:03Z (GMT). No. of bitstreams: 1 Solange de Cassia Maranhao Mazza.pdf: 1084691 bytes, checksum: 18aab4e2e02c06b0ef4f3c03d6bf5409 (MD5) Previous issue date: 2015-03-27
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This study aimed to analyze the relationship among sense of coherence (SOC), locus of control (LOC) and quality of life (QOL) of skilled workers. We used the exploratory method, with a quantitative and qualitative approach. For this research, we selected a convenient sample composed of 80 individuals of both genders, with and without leadership positions. Data collection was conducted through the use of questionnaires previously validated for each analyzed construct. In addition, in depth interviews were conducted to analyze individual cases. The data obtained through the questionnaires were analyzed by multivariate statistical techniques and the interviews were analyzed based on the case study method. The results of the quantitative analysis showed significant correlations between the components of the SOC (understanding, management and meaning) and LOC (internality and externality), being positive with the internality and negative with externality (chance and powerful people). The components of the SOC showed positive correlations with the mental components of QOL (vitality, social functioning, emotional and mental health), but no significant correlations were found with the physical components of QOL (functional capacity, limitations on physical aspects and pain), except with general state of health. The components of the LOC showed no significant correlations with QOL, except for emotional aspects, which was negatively correlated with the component chance. Regarding to position, the results indicated that the leaders have higher averages than the not leaders in relation to SOC, meaning and physical aspects. Regarding to sex, the results indicated that women have higher averages than men in relation to SOC, meaning and physical aspects. The classification of the sample by clustering technique allowed the identification of three clusters associated with different levels of SOC, internality, externality, vitality and mental health. Cluster 1, called "protagonists", characterized by higher levels of SOC, internality, vitality and mental health and the lowest externality. Cluster 2, called "victims", characterized by lower levels of SOC, internality, vitality and mental health, and the greatest of externality. The cluster 3, called "conflicting", was characterized by intermediate levels in all those variables. Interviews with two participants in each cluster revealed the following typical behavior: Participants in the cluster 1 (protagonists) had behaviors that indicated high perception of self-efficacy, self-confidence, optimism and assumption of responsibility. Participants in cluster 2 (victims) had behaviors that indicated lack of perceived self-efficacy, low self-confidence and assignment of another responsibility. Participants in the cluster 3 (conflicting) showed ambiguous behavior, either as protagonists or as victims, and aggressiveness. The results indicated that high levels of SOC, associated with adequate levels of internality and externality, can contribute to improving the mental components of the quality of life
O presente estudo teve como objetivo analisar as relações entre senso de coerência (SOC), lócus de controle (LOC) e qualidade de vida (QV) de trabalhadores qualificados. Utilizou-se o método de pesquisa exploratória, de natureza quantitativa e qualitativa. Para a pesquisa, selecionou-se amostra por conveniência, composta por 80 indivíduos de ambos os sexos, com e sem cargos de liderança. Além da aplicação de questionários validados, foram realizadas entrevistas em profundidade para a análise de casos individuais. Os dados obtidos por meio dos questionários foram analisados por meio de técnica estatística multivariada e as entrevistas foram analisadas com base no método do caso. Os resultados da análise quantitativa evidenciaram correlações significativas entre os componentes do SOC (compreensão, manejo e significado) e do LOC (internalidade e externalidade), sendo positivas com a internalidade e negativas com a externalidade (acaso e pessoas poderosas). Os componentes do SOC apresentaram correlações positivas com os componentes mentais da QV (vitalidade, aspectos sociais, aspectos emocionais e saúde mental), porém não apresentaram correlações significativas com os componentes físicos da QV (capacidade funcional, aspectos físicos e dor), exceto com estado geral de saúde. Os componentes do LOC não apresentaram correlações significativas com a QV, exceto no caso de aspectos emocionais, que apresentou correlação negativa com o componente acaso. Com relação ao cargo, os resultados indicaram que os líderes apresentaram médias superiores aos não líderes em relação às variáveis SOC, significado e aspectos físicos. Quanto ao sexo, os resultados indicaram que as mulheres apresentaram médias superiores aos homens em relação às variáveis SOC, significado e aspectos físicos. A classificação da amostra pela técnica de agrupamento permitiu a identificação de três clusters associados a níveis distintos de SOC, internalidade, externalidade, vitalidade e saúde mental. O cluster 1, denominado protagonistas , caracterizou-se pelos maiores níveis de SOC, internalidade, vitalidade e saúde mental e o menor de externalidade. O cluster 2, denominado vítimas , caracterizou-se pelos menores níveis de SOC, internalidade, vitalidade e saúde mental, e o maior de externalidade. O cluster 3, denominado conflituosos , caracterizou-se por níveis intermediários em todas aquelas variáveis. Entrevistas em profundidade com dois participantes de cada cluster revelaram os seguintes comportamentos típicos: os participantes do cluster 1 (protagonistas) apresentaram comportamentos que indicaram alta percepção de autoeficácia, otimismo e assunção de responsabilidade. Os participantes do cluster 2 (vítimas) apresentaram comportamentos que indicaram baixa percepção de autoeficácia e atribuição de responsabilidade a outrem. Os participantes do cluster 3 (conflituosos), apresentaram comportamentos ambíguos, ora como protagonistas, ora como vítimas, além de agressividade. Os resultados permitiram concluir que níveis elevados de SOC, associados a níveis adequados de internalidade e de externalidade, podem contribuir para a melhoria dos componentes mentais da QV
APA, Harvard, Vancouver, ISO, and other styles
41

Johansson, Anna, and Ahl Anna Nelldal. "”Dom är ju ändå som alla andra, bara att dom är lite äldre.” : unga vårdbiträdens tankar om den äldre omsorgstagaren." Thesis, Stockholm University, Department of Social Work, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7364.

Full text
Abstract:

The purpose of this study is to investigate the young caregivers thoughts of the elderly caretaker. A qualitative method was chosen when interviewing young caregivers in order to get an insight of how they perceive and speak of the elders. The main questions of the study are: How do the caregivers believe that the elders perceive their day-to-day life and situation? Is it possible to distinguish if the young caregiver’s thoughts about the elders affect their work with the elderly caretaker? Is it possible to notice any common factors that the young caregivers perceive as important in their work with the elderly caretaker? The criteria for inclusion in this study are caregivers aged 18 to 25, who are working with elderly at special accommodation. The theories chosen for this study are the salutogenetic perspective, the activity theory and the theory of gerotranscendence. From the outcome of the study the conclusion is that the interaction between the elder and the caregiver seem to be decisive for how the young caregiver think of the elders and their life situation. The caregivers in this study experience that activities give the elderly a meaningful life.

APA, Harvard, Vancouver, ISO, and other styles
42

Eriksson, Ann-Kristin Mimmi. "Vid utmattningens gräns. Utmattningssyndrom som existentiellt tillstånd : Vårdtagares och vårdgivares erfarenheter av utmattningssyndrom och rehabilitering med en existentiell ansats i svensk vårdkontext." Doctoral thesis, Mittuniversitetet, Avdelningen för hälsovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-29129.

Full text
Abstract:
Background and objectives: Stress-related illness is a growing public health problem in Sweden and it is the most common reason for sick leave today. Stress-related illness causes suffering on a number of levels and affects the patient’s health and life in the long term. The stress-related ill health also leads to consequences for society, causing high costs for sick leave and health care as well as lost workforce since people partially or entirely lose their capacity to work. Research on stress-related ill health and rehabilitation often underline work-related conditions as crucial in dealing with the problem. There is also research that points out psychosocial factors in understanding stress-related ill health. What we know little about is the existential perspective of clinical burn-out. Therefore, it is of importance to investigate people’s existential experiences of clinical burn-out and the significance of an existential perspective in rehabilitation. Aim: The overall aim of this thesis is to gain insight into the existential experience of clinical burn-out as well as to highlight the significance of an existential perspective in rehabilitation. In addition, the thesis aims to reach a deeper understanding of clinical burn-out from an existential point of view and contribute to the field with knowledge of the existential dimension of health. Methods: The study, conducted in 2011, is based on qualitative interviews made with an inductive hermeneutic approach. Five patients and seven care givers were interviewed, focusing their existential experiences of clinical burn-out as well as their experiences of rehabilitation with an existential approach. A strategic selection was made of informants in the context of a rehabilitation program with an existential approach for people diagnosed with clinical burn-out. The data was analysed in two steps. In the first step the data was interpreted with an inductive hermeneutic approach. In step two of the analysis, the data was interpreted with a deductive hermeneutic approach, using Karl Jasper’s concept of limit situation as a way of interpreting the existential experience. Aaron Antonovsky’s concept sense of coherence was used as a tool for understanding components that can contribute to restoring health. Results: In this study, the patients describe clinical burn-out as a comprehensive existential experience that can be perceived as being in between life and death, in a shadow world, trapped in a dead end. It’s a situation characterized by being powerless. It creates a need to comprehend one’s situation in order to be able to regain control and manage it. It’s a struggle to make sense of the life situation. When not being met with understanding, the patients lose hope. Existential issues in terms of meaning, existence and life choices become urgent. Working with the existential perspective requires trust, openness from both caregiver and patient, distinctness, a way to communicate it and courage to take on the challenge of dealing with existential issues. The perspective also requires that the existential suffering can be contained. Dealing with existential questions leads to self-knowledge and insights that enables a possibility to make different choices and leave negative behavioural patterns. Also, it can lead to a discovery of spirituality and religion as a resource in life. Besides their personal struggle for meaning, the patients see an existential void in society, leaving people without tools to handle existential needs. This is understood as something that affects people’s ability to handle stressful times in life. The care providers understand burn-out as a manifestation of a way of living that is not sustainable. It is an existential experience embodied in body and mind that can be experienced as being drained of life. It’s an existential challenge, causing grief when realizing one’s limitations as a human being. Also, loss of meaning and sense of existential vulnerability due to an experience of being annihilated is crucial for understanding the deep existential crisis that clinical burn-out can induce. This situation makes the patient ask existential questions about identity, meaning, values and direction. In the burnout-process the patients have distanced themselves from their own self and therefore need to reconnect with themselves. This makes the existential questions central in the rehabilitation as a way to reconnect to inner strength and resources, which are prerequisites for starting a health promoting, sustainable process which is empowering, making it possible to see oneself as a human being who experience meaning, not only as a patient with a diagnosis. Instead of finding meaning in the diagnosis, the patient’s existential questions and the existential experience is a key to moving forward, out of the situation. Meaning-making is therefore important in the rehabilitation. A holistic-existential approach and view of man makes it possible to work with the complexity of the situation. The holistic-existential approach creates synergies and offers an extra tool both for the caregiver and the patient. Focusing on the patient’s resources and competence makes it possible to see the crisis as a way to learn from it. The existential perspective in health care and rehabilitation is enabled by competence, openness, reliance, empathy and respect when meeting the patient. It also requires courage to take on the challenge of dealing with existential issues. It can be hard for both the patient and the care giver to confront existential suffering. It is the responsibility of the care giver to enable the existential perspective by acknowledging and making the existential perspective possible to communicate and work it through. The care providers understands values in modern society as contributing to people’s experience of feeling alone with existential needs, which intensifies their existential aloneness. The care providers’ experience is that the biomedical paradigm aggravates an existential perspective. The perspective is not associated with the care situation. There is a lack of knowledge about and understanding of the value of the existential perspective, all the way from the decision-making level to the clinical meeting with the patient. In addition, the paradigm affects how the patients express their illness. Also, the perspective requires time. Existential perspectives, therefore, tend to be concealed in the health care context. Applying Karl Jasper’s concept of limit situation, clinical burn-out can be interpreted as a defining existential experience. It can be understood as a limit situation when humans realize their limitations and at the same time get insights that are crucial for their lives. It’s an experience they wish they had not gone through, but on the other hand, it has led to insights they do not want to be without. The meaning-making process is health promoting by recreating meaning, the fundamental part of sense of coherence, which is crucial for a salutogenic direction. Conclusion: The existential state that the clinical burnout patients go through can, using Karl Jasper’s concept, be understood as a limit situation. According to Jasper’s reasoning, the limit situation can be perceived as facing an abyss, making it clear one has limitations as a human being. At the same time, the experience can be perceived as reaching a limit where humans can get insights about human life that can enhance life. Clinical burn-out, using Aaron Antonovsky’s concept, can be understood as a loss of the components that create sense of coherence. Loss of meaning is particularly central for understanding burn-out. Consequently, it is crucial to acknowledge the existential challenge that the patient is facing, as well as the importance of the meaning-making process for facilitating a movement in a health promoting manner. It gives a deeper understanding of the challenges and needs of patients suffering from clinical burn-out. The existential dimension of health has been highlighted in health promotion, but gets little attention in practice. This is especially significant in the health care context. This points out the need for a discussion about how the existential health dimension can be used as a resource in health care and rehabilitation and how this resource for health can be applied in a better way in health promotion and public health.
APA, Harvard, Vancouver, ISO, and other styles
43

Hinkelmann, Moritz [Verfasser]. "Compact and efficient sub-10 ps pump sources at 2 µm for the generation of coherent mid-infrared radiation / Moritz Hinkelmann." Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2020. http://d-nb.info/1205878475/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
44

Chaigne, Thomas. "Control of scattered coherent light and photoacoustic imaging : toward light focusing in deep tissue and enhanced, sub-acoustic resolution photoacoustic imaging." Thesis, Paris 6, 2016. http://www.theses.fr/2016PA066162/document.

Full text
Abstract:
En microscopie, savoir focaliser la lumière à l’échelle micrométrique est déterminant. Dans les tissus biologiques néanmoins, les inhomogénéités du milieu diffusent la lumière, empêchant toute focalisation au-delà d’une profondeur de l’ordre du millimètre. Des techniques de façonnage de front d’onde ont été développées afin de pré-compenser la distorsion du faisceau lumineux induite par la propagation à travers un milieu diffusant. Pour parvenir à focaliser la lumière à l’intérieur même du milieu diffusant, l’enjeu est de mesurer l’intensité lumineuse en profondeur de manière non invasive. Nous proposons d’utiliser l’effet photoacoustique pour sonder cette intensité. Une structure optiquement absorbante éclairée par une impulsion lumineuse émet en effet un signal ultrasonore, dont l’amplitude est proportionnelle à l’intensité lumineuse. Ces ultrasons se propagent de façon quasi-balistique dans les tissus mous et peuvent donc être détectés à l’aide d’un transducteur acoustique externe. Cette mesure permet donc de déterminer l’intensité lumineuse éclairant l’absorbeur. Nous avons montré qu’il était possible d’utiliser l'imagerie photoacoustique pour mesurer la matrice de transmission d’un échantillon diffusant. Cette caractérisation nous permet de focaliser la lumière sur des structures absorbantes et de sonder des propriétés mésoscopiques du milieu diffusant. Nous avons montré que la large bande spectrale des signaux photoacoustiques permet d’améliorer la focalisation. Enfin, nous avons montré que l’utilisation d’une source de lumière cohérente permet de pallier certains artefacts de l’imagerie photoacoustique, ainsi que de franchir la limite de résolution acoustique
Light focusing is a crucial requirement for high resolution optical imaging. In biological tissue though, refractive index inhomogeneities scatter light, preventing any focusing beyond one millimeter. Wavefront shaping techniques have been recently developed to partially compensate for light scattering after propagation through a scattering medium. These techniques require a measurement of the light intensity at the target point. These techniques hold much promise for performing wavefront correction in order to focus light deep inside scattering media. This would require a non-invasive measure of the light intensity at depth. In this PhD study, we propose to use the photoacoustic effect for such task. An optically absorbing structure under pulsed illumination indeed generates ultrasonic waves, whose amplitude is proportional to the absorbed light intensity. These ultrasounds mostly propagate in a ballistic way, and can therefore be detected with an external transducer. We have shown that photoacoustic imaging could be used to measure the transmission matrix of a scattering sample, enabling to focus light on absorbing structures as well as to retrieve mesoscopic properties of the medium. We have shown that the broadband spectral content of the photoacoustic signals can be harnessed to improve the focusing performances. Finally, we demonstrated that coherent illumination could be used to remove fundamentals artefacts, as well as to break the acoustic resolution limit of conventional deep tissue photoacoustic imaging
APA, Harvard, Vancouver, ISO, and other styles
45

Kedvek, Vera. "“det är ett sätt att jobba som gör jobbet väldigt roligt” : En kvalitativintervjustudie om familjebehandlares upplevelser av att arbeta med Marte meo-metoden." Thesis, Stockholms universitet, Institutionen för socialt arbete, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-189944.

Full text
Abstract:
The aim of this qualitative study is to explore what Marte meo-therapists have experienced working with the Marte meo parenting supporting method. Seven therapists have been interviewed through semi-structured qualitative interviews. Antonovsky’s framework of Sense of Coherence was applied in the analysis of the results (Antonovsky, 2005). The main findings of the study illustrate that the Marte meo-method is experienced to have benefits for both the families and the therapists maintaining a high level of sense of coherence. According to the therapists the parents got a better knowledge of themselves and their children contributing to an enhanced relationship, better communication, and interplay. The Marte meo-method was perceived as a helpful tool allowing skills development among staff and “makes the job a lot of fun” – as one of them had said. However, several respondents experienced a lack of managerial support and leadership which reduced the sense of coherence.
APA, Harvard, Vancouver, ISO, and other styles
46

Gabrielle, Gillhover. ""Som att uppfinna hjulet medan det rullar" : en kvalitativ intervjustudie om svenska sjukhuskuratorers arbete, mående och hantering under covid-19-pandemin 2020." Thesis, Stockholms universitet, Institutionen för socialt arbete, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-192477.

Full text
Abstract:
The covid-19-pandemic spread across the entire world during 2020 and the hospital counselors’ workplace has during this time been in the centre of pandemic management. The aim of this study has been to investigate how hospital counselors in Sweden experience and manage their health and work during the covid-19-pandemic between January and October 2020. Eight hospital counselors have been studied using semi-structured interviews which were thematically sorted and analyzed based on Antonovsky's theory Sense of Coherence. The results showed that the counselors have experienced a different work situation with new routines such as supporting patients over the phone or while wearing personal protective equipment. The counselors have had to deal with increased patient mortality and more complicated cases that have challenged them emotionally and physically. As a consequence this has involved increased fatigue, muscle tension, worry and anxiety. At the same time, they have felt that they lacked the necessary staffing and work equipment to meet the increased demands. They have handled this by adding more importance to the collegial support and making sure to get a break from information about the pandemic in their spare time.
APA, Harvard, Vancouver, ISO, and other styles
47

Juhlin, Charlotta. "En sjukdomskris blir hanterbar : En kvalitativ studie om hur individer som drabbats av hjärt-och hjärnsjukdomar tänker runt sin sjukdomshistoria och rehabilitering." Thesis, Karlstads universitet, Institutionen för hälsovetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-55312.

Full text
Abstract:
Sammanfattning Bakgrund: Att drabbas av hjärt-eller hjärnsjukdomar i en ålder av 30 till 49 kan förändra livet radikalt. Tillvaron kan upplevas som kaotiskt, stressande och utmanande. Livet efter sjukdomen kan skapa fysiska och psykiska följdsjukdomar som behöver vårdas. Mål utifrån egna värderingarna och upplevd kompetens motiverar till handling. Det behövs olika former av stöd i syfte att finna livet begripligt, hanterbart och meningsfullt. Syfte: Syftet med studien är att utforska hur personer som drabbats av hjärt-och hjärnsjukdomar i en ålder av 30 till 49 upplever sin sjukdomshistoria och rehabilitering. Metod: För studien valdes en kvalitativ design där intervjuer genomfördes med åtta personer, både män och kvinnor. Datainsamlingen bestod av semistrukturerade intervjuer och analyserades med hjälp av kvalitativ innehållsanalys. Resultat: Tre kategorier framkom från analysen: Faktorer på individnivå (1) som innehåller underkategorierna ”health literacy” och ”livsvärderingar”; Stöd från omgivningen (2) som innehåller ”omsorg”, ”coacha” och ”professionell vård”; Leva i ny verklighet (3) som innehåller ”stress och hjärntrött”, ”identitet”, ”känslor och tankar som vägledande” och ”återgång till arbetet”. Ett tema steg fram ur intervjustudierna, ” Kroppsliga- och själsliga symtom behöver vårdas, så positiv energi kan frigöras till meningsfulla aktiviteter”. Kategorierna visar på viktiga hinder och möjligheter som påverkar ett hälsofrämjande rehabiliteringsarbete. Slutsats: Det behövs kunskap och ett coachande stöd i rehabiliteringen utifrån individens unika livssituation i syfte att uppleva större egenmakt och ökad upplevd hälsa. Den professionella rådgivaren behöver ha en bred kunskap, främja empowerment och inneha ett holistiskt hälsoperspektiv. Studien visar att ytterligare forskning om professionellt stöd är värdefullt både ur samhälls- och individperspektiv. Nyckelord: Coping, Empowerment, Hälsopromotion, Kris, Känsla av sammanhang
Abstract Background: To suffer from heart or brain diseases at the age of 30 to 49 can create an existential life crisis. Existence is experienced as chaotic, stressful and challenging.Life after the disease can create physical and mental complications that need to be treated. Objectives based on own values and perceived skills motivate action. People need different kind of support in order to find life comprehensible, manageable and meaningful. Aim: The aim of this study was to explore how people at the age of 30 to 49 have experienced their medical history and rehabilitation. Method: For the study, a qualitative design was chosen in which interviews were conducted with eight people, both men and women. The data collection consisted of semistructured interviews and was analyzed using qualitative content analysis. Results: Three categories emerged from the analysis: Individual-level factors (1) containing the subcategories 'health literacy' and 'life values'; Support from the environment (2) containing "care", "coach" and "professional care"; Live in new reality (3) containing "stress and brain fatigue", "identity", "feelings and thoughts as guiding" and "return to work". One theme emerged from the interviews, "Bodily and mental symptoms need to be looked after so that positive energy can be released into meaningful activities." The categories show important obstacles and opportunities that affect health-promoting rehabilitation work. Conclusion: There is a need for knowledge and coaching support in rehabilitation based on the individual's unique life situation in order to experience greater empowerment and increased health. The professional adviser needs a holistic approach towards health care and rehabilitation. The findings shows that further research about professional support is valuable both from a societal and individual perspective. Keywords Coping, Crisis, Empowerment, Health promotion, Sense of coherence
APA, Harvard, Vancouver, ISO, and other styles
48

Stendahl, Josefin, and Natalie Gustafsson. "Att (miss)lyckas med organisationsförändringar : Motstånd till förändring och faktorer som påverkar förändringsbenägenhet." Thesis, Mälardalens högskola, Akademin för hälsa, vård och välfärd, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35756.

Full text
Abstract:
Organisationer står ständigt inför förändring för att behålla sin plats på dagens arbetsmarknad. Merparten av organisationsförändringar misslyckas varpå motstånd till förändring (MTF) antas vara en bidragande orsak. Forskning har undersökt hur MTF kan minskas via bl.a. förändringsledning. Denna studie avsåg undersöka individuella faktorer vilka kan påverka medarbetares MTF. Detta undersöktes via en enkät besvarad av 209 medarbetare på 11 företag. Enkäten bestod av Oregs skala för MTF, arbetsrelaterad self-efficacy (ASE), arbetsrelaterad KASAM (WSOC), attityd till organisationsförändring samt bakgrundsvariablerna kön, ålder, utbildningsnivå, antal år på arbetsplatsen och sektor. Studien hittade signifikanta samband mellan MTF och ASE, WSOC, attityd till organisationsförändring samt kön. Vidare visade sig prediktorvariablerna tillsammans förklara 29 % av variationen i MTF. Studiens resultat går i linje med tidigare resultat inom ASE och WSOC men går emot forskning om könsskillnader i MTF. Studiens slutsats var att de hälsofrämjande individuella aspekterna (ASE, WSOC) troligen inverkar mest på MTF.
APA, Harvard, Vancouver, ISO, and other styles
49

Carneiro, Francis Anne Teplitzky. "O sentido interno de coerência em mulheres com mais de 74 anos com e sem diagnóstico de cancro da mama." Master's thesis, ISPA - Instituto Universitário das Ciências Psicológicas, Sociais e da Vida, 2012. http://hdl.handle.net/10400.12/2284.

Full text
Abstract:
Dissertação de Mestrado em Psicologia da Saúde
O envelhecimento engloba diversas perdas na dimensão biológica, psicológica e social, mas também inúmeros ganhos a ser enfatizados. Dado que o cancro da mama é o mais frequente no sexo feminino, o seu diagnóstico e tratamento apresentam um potencial de impacto significativo na estrutura psicológica e no Sentido Interno de Coerência (SIC) do indivíduo. Os objetivos desta investigação são os seguintes: (a) Analisar se existem diferenças significativas no SIC das idosas com cancro da mama, (b) Aferir a existência de relação entre o cancro de mama e o SIC de idosas e (c) Averiguar se idosas com cancro da mama apresentam diferenças significativas nas dimensões compreensibilidade, significância e gestão do SIC. A amostra é constituída por 124 idosas (74-96 anos), sendo que 62 participantes apresentam cancro de mama. Os instrumentos utilizados são i) o Questionário de caracterização socio-demográfico, ii) a Escala de Sentido Interno de Coerência e iii) o Mini-Exame do Estado Mental (MEEM). O grupo com diagnóstico de cancro da mama em remissão não apresentou diferenças significativas comparativamente ao grupo sem cancro da mama. A correlação entre o ‘SIC’ e o ‘Estatuto profissional’ (r = 0.827; p = 0.02) foi positiva e bastante elevada, a correlação entre o SIC e os ‘Rendimentos’ foi positiva e reduzida (r = 0.219; p= 0.02) e associação entre o SIC e os ‘Anos de escolaridade’ foi moderada (r = 0.391; p < 0.01). Apesar de o SIC não ter apresentado diferenças significativas nas mulheres idosas com e sem cancro da mama, este constructo parece estar associado a um elevado estatuto profissional e uma elevada escolaridade, mesmo em mulheres com cancro da mama com mais de 74 anos de idade. ------- ABSTRACT ------ Aging encompasses several losses in biological, psychological and social dimensions. Yet, innumerous gains should be emphasized. Since breast cancer is the most frequent cancer above feminine gender, its diagnosis and treatment presents a potential and significant impact on individual’s psychological structure and his Sense of Coherence (SOC). This research aims at: (a) Analyzing whether there are significant differences in elderly women’s SOC within breast cancer, (b) Assessing the relation between breast cancer and older women’s SOC and (c) Determining whether older women with breast cancer have significant differences in SOC’s dimensions (comprehensibility, significance and management). The sample consists of 124 older women (74-96 years-old), from which, 62 with breast cancer. The instruments utilized are: ii) the Sense of Coherence Scale, ii) the Mini- Mental Sate Examination (MMSE) and iii) demographics. There were no statistical significant differences between both groups (Group with breast cancer in remission and group without breast cancer). Correlation between ‘SOC’s total value’ and ‘professional status’ (r = 0.827; p = 0.02) was positive and very high, correlation between ‘SOC’s total value’ and ‘Income’ was positive and reduced (r = 0.219; p= 0.02) and correlation between SOC’s total value’ and ‘years of schooling’ was moderate (r = 0.391; p < 0.01). Although SOC’s value didn’t have significant differences between older women with and without breast cancer this construct seems to be associated to individual’s higher professional status and individual’s higher schooling even on women with breast cancer and with more than 74 years old.
APA, Harvard, Vancouver, ISO, and other styles
50

Liang, Dong. "Semiconductor Nanowires: Synthesis and Quantum Transport." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1327641946.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!

To the bibliography