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Dissertations / Theses on the topic 'Loss of consciousness'

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1

Tripp, Lloyd D. "+Gz acceleration loss of consciousness /." Cincinnati, Ohio University of Cincinnati, 2002. http://www.ohiolink.edu/etd/view.cgi?acc%5Fnum=ucin1089841115.

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2

Tripp, Lloyd D. "Countering +Gz acceleration loss of consciousness hemodynamic approaches and adaptive automation /." Cincinnati, Ohio : University of Cincinnati, 2007. http://www.ohiolink.edu/etd/view.cgi?acc%5Fnum=ucin1181179663.

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Thesis (Ph. D.)--University of Cincinnati, 2007.<br>Title from electronic thesis title page (viewed Oct. 8, 2007). Includes abstract. Keywords: gravity induced loss of consciousness, cerebral tissue, oxygen saturation, cognitive tasks. Includes bibliographical references.
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3

TRIPP, LLOYD Dale JR. "COUNTERING +Gz ACCELERATION LOSS OF CONSCIOUSNESS: HEMODYNAMIC APPROACHES AND ADAPTIVE AUTOMATION." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1181179663.

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4

Bedard, Marc. "Long-Term Cognitive Impairment Following Mild Traumatic Brain Injury with Loss of Consciousness." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41923.

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A small subset of individuals that have experienced mild traumatic brain injury (mTBI) may experience persistent cognitive deficits more than a year following the head injury. Neuroimaging studies reveal structural and functional changes in frontal areas of the brain, exacerbated when loss of consciousness is experienced, and indicate that these changes may be progressive in nature for some people. Social support and social participation have, however, been suggested to confer cognitive reserve - neurocognitive protection against cognitive decline. Analyses were run on Canadian Longitudi
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5

Anwar, Amir Shahzad. "New techniques in the management of transient loss of consciousness (TLOC) or blackout." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/new-techniques-in-the-management-of-transient-loss-of-consciousness-tloc-or-blackout(fd47e2e9-d5fc-4806-85e9-7af16f263149).html.

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Collapse is defined as an “abrupt loss of postural control” and is very common presentation to primary and secondary care. It accounts up to 3% of emergency department cases, and 6% of hospital admissions. Many patients are labelled with “collapse?cause”. It should be appreciated that collapse can be with or without TLOC/blackout. Causes without TLOC include falls, transient ischemic attacks, cerebrovascular accidents, road traffic accidents, metabolic abnormalities and intoxication. However, most collapse patients have TLOC. Most common causes are syncope, epilepsy or psychogenic blackouts. T
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6

TRIPP, LLOYD DALE Jr. "+Gz ACCELERATION LOSS OF CONSCIOUSNESS: TIME COURSE OF PERFORMANCE DEFICITS WITH REPEATED EXPERIENCE." University of Cincinnati / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1089841115.

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7

Barr, Gunilla. "Novel neurophysiological monitors of the transition from wakefulness to loss of consciousness during anaesthesia /." Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-597-2/.

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8

de, Lugt Duncan R. "Event-related potentials and behavioural responses associated with a loss of consciousness at sleep onset." Thesis, University of Ottawa (Canada), 1997. http://hdl.handle.net/10393/9717.

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This thesis examined changes in the brain's responses ("evoked potentials") during the transition from consciousness to unconsciousness. A negative wave, "N1", peaking at about 100 ms is affected by the subject's extent of attention/consciousness. Unfortunately, this same peak is also affected by manipulation of the physical parameters of the stimulus. The extent to which a component is affected by a physical or psychological parameter is often difficult to determine in the awake and alert subject. There are two principal reasons for this. Manipulation of the physical stimulus may inadvertentl
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9

De, Lugt Duncan R. "Event-related potentials and behavioural responses associated with a loss of consciousness at sleep onset." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21964.pdf.

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10

Thomas, Saralene Iona. "Genetic markers in the differential diagnosis in a family setting of episodic loss of consciousness." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51777.

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11

Cournoyer, Janie. "Head Impact Severity Associated with Loss of Consciousness and Impact Seizures in Sport-Related Concussions." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38632.

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The severity of injury associated with sport concussions that present with a loss of consciousness or impact seizures is ambiguous. A disconnect between the clinical and biomechanical aspect can be observed throughout the literature pertaining to loss of consciousness and impact seizures. Clinicians have dismissed a loss of consciousness or the presence of impact seizures as an indicator of severity. However, early biomechanical research suggests that loss of consciousness is caused by greater magnitudes of impacts and damage to more vulnerable brain regions. However, this research was conduct
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12

Uhrig, Lynn. "A study of the brain mechanisms of loss of consciousness during general anesthesia using non-human primate neuroimaging." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066339.

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Comment les agents anesthésiques induisent-ils une perte de conscience lors de l’anesthésie générale? La dissection des mécanismes neuronaux de l’anesthésie générale représente un défi important en neurosciences. L’émergence de l’IRM fonctionnelle (IRMf) chez le primate non-humain donne l’occasion d’étudier l’activité neuronale à l’état éveillé et sous anesthésie en s’affranchissant des contraintes cliniques. Le développement récent de paradigmes auditifs, tel que le paradigme ‘local-global’, qui explore spécifiquement les réseaux cérébraux impliqués dans l’état conscient, nous a permis d’émet
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13

Healey, Martha W. "A Complementary Health Approach to Facilitate Healing and Integration Among Adult Survivors of Childhood Sexual Abuse: The Shamanic Practitioner’s Perspective." Thesis, Boston College, 2016. http://hdl.handle.net/2345/bc-ir:107240.

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Thesis advisor: Danny G. Willis<br>Abstract Childhood sexual abuse (CSA) survivors are at risk of suffering from myriad physical, emotional, relational, spiritual, and energetic aftereffects. Scant research has addressed healing of spiritual and energetic aftereffects, especially sense of fragmentation/soul loss. No published research has addressed shamanic healing for CSA survivors. Thus, the purpose of this qualitative descriptive research was to describe the use of shamanic healing as a complementary health approach for adult CSA survivors from the perspectives of shamanic healers. A qualit
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14

Petkar, Sanjiv. "New perspectives on the diagnosis and misdiagnosis in blackouts." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/new-perspectives-on-the-diagnosis-and-misdiagnosis-in-blackouts(22c6c15c-9039-4efb-8dbd-3a9d6c7c3cde).html.

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Patients presenting with an abrupt loss of postural control are commonly said to have had ‘collapse?cause’. This is a common presentation, accounting for up to 6% of emergency department cases, and 3% of hospital admissions. However, collapse?cause is a ‘catch-all’ term and there are many different causes which include falls, transient ischemic attacks, cerebrovascular accidents, road traffic accidents, metabolic abnormalities, intoxication, and transient loss of consciousness, (TLOC or ‘blackout’). A majority of patients fall into the latter category. Where TLOC has occurred, the causes are s
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15

Bonhomme, Vincent. "Contribution to the study of the mechanisms of the loss of consciousness induced by general anesthesia : a brain mapping and electrophysiology approach." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0031/MQ64320.pdf.

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16

ARENA, ALESSANDRO. "EFFECTS OF GENERAL ANESTHETICS ON VISUAL CORTEX EVOKED AND RESTING ACTIVITY." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/238236.

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Even though anesthetics are widely used in the medical practice, there are still unresolved issues which relate to their mechanisms of action and therefore to their ability to induce loss of consciousness. Since a large number of very different chemical molecules are used in general anesthesia, a large variety of potential molecular targets might exist. Some of these might relate to axonal conduction and membrane excitability. In some cases, this action could either occur at the presynaptic level, modifying the neurotransmitter release and reuptake machineries, or at the postsynaptic le
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17

Elsner, Rebecca [Verfasser]. "Loss und Regain of Consciousness im EEG: die spektrale Eckfrequenz als Indikator für perioperative Bewusstseinsveränderungen bei Patientinnen und Patienten über 65 Jahre / Rebecca Elsner." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2021. http://d-nb.info/123498458X/34.

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18

Singata, Chuma. "Computed tomography findings in patients with minor head trauma presenting with a history of loss of consciousness and/or amnesia, Glasgow Coma Scale 15 and no focal neurological deficit." Master's thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/27086.

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Background: South Africa is a developing country with limited resources. Currently, in our institution, patients who have suffered a minor head injury with a Glasgow Coma Scale (GCS) 15, loss of consciousness (LOC) and amnesia obtain a computed tomography (CT) scan, regardless of the cost that is incurred by the use of this limited resource. Applying recommendations in developing countries requires consideration of resource limitations and patient burden. Objective: Our objectives were twofold: 1. To determine the number of abnormalities found on routine head CTs in patients who have a history
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19

Gaede, Anna Luise. "Untersuchungen zur Erprobung von geeigneten Betäubungsverfahren für die Schlachtung Afrikanischer Welse (Clarias gariepinus)." Doctoral thesis, Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-203224.

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Einleitung Entsprechend der Tierschutz-Schlachtverordnung sind Wirbeltiere vor der Tötung grundsätzlich zu betäuben. Die für Fische zulässigen Betäubungsmethoden haben sich jedoch für die Betäubung Afrikanischer Welse (Clarias gariepinus) in der Praxis als problematisch erwiesen. Ziel der Untersuchungen Das Untersuchungsziel bestand in der Erprobung und Optimierung von Betäubungsverfahren für die Schlachtung Afrikanischer Welse. Verschiedene Varianten der Vorkühlung, Eiswasserbehandlung und Elektrobetäubung wurden einzeln oder in Kombination vergleichend geprüft. Materialien und Methoden Zur
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20

Huska, Frederic. "The predicament of undecidability : moments of Deja vu in space, time and consciousness : practice of photographing and writing in Los Angeles." Thesis, Ulster University, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.646034.

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I am a photographer. In photographing the city, r remap it intuitively and libidinally. I distort it. Places in the city are turned inward, into a mental space, into a projection of my own desires and deceptions. I do not speak of this city, of which I know very little, but speak from within the city. I am a tourist. For me the location is full of fantasies, dreams. It reminds me of art, of other photographs and films. I am with myself in this unknown and yet so familiar landscape. A place already close to me, already seen. It feels uncanny. It feels as if I were at the confines of memory, in
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21

Thistlethwaite, Max. "The mourning of lost autonomy : a philosophical and psychoanalytic critique on the objectification of fantasy." Thesis, Brunel University, 2017. http://bura.brunel.ac.uk/handle/2438/16429.

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What or who is the modern subject? Are people sovereign, filled with passion, creativity, freedom and autonomy; or are we slaves, robots and automatons forever tied to the chains of civilization? It is very common to critique modernity. From the Frankfurt school to Foucault, many seem to have focused primarily on its negative characteristics including the promotion of narcissism and its contribution to alienation and depression. However, this work arose from my general ambivalence toward how society, and ideology, impacts notions of the self or, more importantly, self-consciousness and autonom
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22

Valle, Taiman Augusta Cecilia. "Los últimos 100 años de la historia peruana según los y las estudiantes del profesorado: estudio sobre sus representaciones de la historia y su conciencia histórica." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/405964.

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Esta tesis se encuentra dentro de la línea investigación de la formación inicial del profesorado. El problema de investigación es analizar las representaciones de la historia peruana de los últimos cien años y los rasgos de la conciencia histórica de los y las estudiantes del profesorado de Historia y Ciencias Sociales de la Universidad Nacional Mayor de San Marcos, en Lima, y la Universidad Nacional San Cristóbal de Huamanga, en Ayacucho. Planteamos que se distinguen diversas representaciones de la historia, de su enseñanza y de los hechos de los últimos cien años de la historia peruana, así
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23

Gobert, Florent. "Exploration multimodale de la conscience lors du coma et de l’éveil : depuis la caractérisation polysomnographique des fluctuations jusqu’à l’analyse des synergies et dyssynergies comportementales, biologiques ou neurophysiologiques et leur évolution." Thesis, Lyon, 2019. https://n2t.net/ark:/47881/m6j102hk.

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Stade le plus sévère de l’agression cérébrale aigüe, le coma est caractérisé par une disparition globale de toutes les dimensions de la conscience et s’exprime par une perte de l’ouverture des yeux et de toute réactivité aux stimulations. Les relations entre cette absence de conscience pathologique – de causes hétérogènes – et la perte de conscience physiologique du sommeil – homogène dans ses mécanismes régulateurs – ont été abordées dans la littérature sous l’angle de l’architecture du sommeil. Mais cette analogie ne semble fructueuse que dans les formes chroniques présentant une récupératio
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24

Hall, Timothy W. "Surface, substance and the status quo pop cultural influences on architectural design /." Cincinnati, Ohio : University of Cincinnati, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=ucin1085069145.

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25

Tobón, Berrio Luz Estela. "Les droits de l’enfant face aux punitions corporelles dans la famille." Thesis, Paris 10, 2017. http://www.theses.fr/2017PA100157.

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L’objectif de cette recherche est d’appréhender les punitions corporelles en tant que phénomène éducatif au regard des droits des enfants à partir des représentations sociales des parents ordinaires. L’étude a impliqué des mères et pères de familles biparentales, sans risque économique, habitant la ville de Barranquilla en Colombie. La démarche s’inscrit dans une perspective pluridisciplinaire combinant l’éducation familiale, la théorie des représentations sociales issue de la psychologie sociale et les études sur la conscience du droit, issues de la sociologie juridique (Legal Consciousness S
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26

Sharifan, Jasmine. "Loss of consciousness due to propofol." Thesis, 2017. https://hdl.handle.net/2144/26946.

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In this literary review, a possible mechanism used by propofol and the consequences of this mechanism are discussed. Propofol is able to bring about loss of consciousness by inhibiting the Ih current in hyperpolarization-activated cyclic nucleotide-gated type 2 (HCN2) channels. The inhibition leads to an increase in the hyperpolarization of the thalamocortical neurons, which results in temporally impaired delta oscillations (Ying et al., 2006). This leads to significant phase offsets which result in fragmentation and the isolation of neural networks. Propofol also leads to a breakdown in
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27

Ferreira, Ana Isabel Leitão. "Detection of loss of consciousness towards personalized anaesthesia induction and maintenance." Doctoral thesis, 2021. https://hdl.handle.net/10216/133415.

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28

Ferreira, Ana Isabel Leitão. "Detection of loss of consciousness towards personalized anaesthesia induction and maintenance." Tese, 2021. https://hdl.handle.net/10216/133415.

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29

Lee, Ming-Ni. "Relative awareness in dreams following loss and trauma." 2010. http://hdl.handle.net/10048/1198.

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Thesis (Ph. D.) -- University of Alberta, 2010.<br>"A thesis submitted to the Faculty of Graduate Studies and Research in partial fulfillment of the requirements for the degree of Doctor of Philosophy, Department of Psychology, University of Alberta." Title from pdf file main screen (viewed on July 23, 2010) Includes bibliographical references.
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30

Miller, Danielle. "Behavioral and neural correlates of chronic blast-related mild traumatic brain injury." Thesis, 2016. https://hdl.handle.net/2144/16739.

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Blast-related mild traumatic brain injury (mTBI) is a common injury among Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) veterans due to the frequent use of improvised explosive devices (IEDs). A significant minority of veterans with blast-related mTBI complain of postconcussion symptoms (PCS) and cognitive difficulties, even years after the injury. Studies have suggested that these behavioral sequelae are primarily linked to mental health disorders such as posttraumatic stress disorder (PTSD). However, mTBI is associated with neural changes and the impact of these changes on beh
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31

Sławkowski-Rode, Mikołaj. "The Experience of Finitude: Death and Otherness." Doctoral thesis, 2015.

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In this work I examine a certain kind of experience which I call the experience of finitude. In the introduction I make an attempt to illustrate the intuition that this experience takes the form of a meta-experience, or the phenomenon of phenomena. In the first chapter I examine the possibility of understanding this form of experience as having a non-conceptual character. The consequence of this view is that access to this experience can only be understood as given to us in an intuition, rather than being constituted by an explicit judgement. I further suggest that the experience of finitude u
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32

Strate, Shane R. "The lost territories : the role of trauma and humiliation in the formation of national consciousness in Thailand /." 2009. http://www.library.wisc.edu/databases/connect/dissertations.html.

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