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Dissertations / Theses on the topic 'Stimulation. eng'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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1

Souza, Marcial Zanelli de. "Interleucinas e perfil quimiometabólico músculo-esquelético de ratos com o membro posterior imobilizado e submetidos à estimulação elétrica neuromuscular /." Rio Claro : [s.n.], 2008. http://hdl.handle.net/11449/100437.

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Orientador: Eliete Luciano<br>Banca: Carlos Alberto da Silva<br>Banca: Cláudio Alexandre Gobatto<br>Banca: Gustavo Puggina Rogatto<br>Banca: Ricardo José Gomes<br>Resumo: O objetivo deste estudo foi analisar e quantificar a participação das interleucinas (IL-4, IL-6, IL-10 e TNF-alfa) em animais que tiveram uma pata imobilizada e eletroestimulada por 1, 2 e 3 dias consecutivos, analisando-se a repercussão da hipocinesia focal sobre o conteúdo das proteínas musculares, bem como sobre parâmetros metabólicos como glicemia, insulinemia, glicogênio muscular, ácidos graxos livres, ácido ascórbico da

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2

Prado, Thiago Alexandre. "Implementação de um controlador PID embarcado para o controle em malha fechada de um estimulador neuromuscular funcional /." Ilha Solteira : [s.n.], 2009. http://hdl.handle.net/11449/87062.

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Orientador: Aparecido Augusto de Carvalho<br>Banca: Erica Regina Marani Daruichi Machado<br>Banca: Ernane José Xavier da Costa<br>Resumo: Por décadas, a aplicação de Estimulação Elétrica Neuromuscular (EENM) em pacientes paraplégicos e hemiplégicos tem melhorado significativamente sua qualidade de vida. Entretanto, comercialmente, essa técnica é aplicada sem o uso de uma lei de controle em malha fechada, o que limita sua eficiência. Assim, neste trabalho, projetou-se e implementouse um controlador PID embarcado para o uso com estimuladores elétricos neuromusculares. O projeto desse controlador

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3

Coêlho, Juliana de Carvalho Apolinário. "Efeito do ultra-som de baixa potência na reparação óssea em ratos sob ausência de carga : análise densitométrica e biomecânica /." Araçatuba : [s.n.], 2008. http://hdl.handle.net/11449/92201.

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Orientador: Mário Jefferson Quirino Louzada<br>Banca: Ivania Garavella<br>Banca: Leda Maria Pescinini Salzedas<br>Resumo: A literatura apresenta que a resposta de reparo ósseo pode ser acentuada pela estimulação física, mecânica ou eletromagnética. Há evidências de que o ultra-som - US - de baixa potência pode acelerar a regeneração óssea. Este trabalho objetivou verificar o efeito do US no defeito ósseo, criado experimentalmente, em tíbias de ratos sob ausência de carga (suspenso pela cauda) por meio de análise densitométrica e biomecânica. Trinta Rattus novergicus albinus, Wistar, adultos, d

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4

Possi, Ana Paula Marques. "Efeitos comportamentais e neuroquímicos agudos da cafeína em ratos adolescentes e adultos /." São Carlos : [s.n.], 2010. http://hdl.handle.net/11449/95190.

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Orientador: Cleopatra da Silva Planeta<br>Banca: Azair Liane Matos do Canto de Souza<br>Banca: Tatiana Lima Ferreira<br>Resumo: A cafeína é provavelmente a substância psicoativa mais consumida no mundo. Essa substância está presente em alimentos, bebidas e medicamentos, sendo esses comercializados para indivíduos de todas as idades. Apesar disto, os efeitos da cafeína sobre os adolescentes são pouco compreendidos. Assim, o objetivo do presente estudo foi investigar os efeitos psicomotores e neuroquímicos da cafeína em ratos adolescentes e adultos. Para tanto, ratos Wistar adolescentes (dia pós

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5

Gaino, Ruberlei. "Controle de movimentos de pacientes paraplégicos utilizando modelos fuzzy T-S /." Ilha Solteira : [s.n.], 2009. http://hdl.handle.net/11449/100279.

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Resumo: Foram realizados estudos, projetos e simulações do controle não-linear da posição da perna de um paraplégico, com eletroestimulação, utilizando modelos fuzzy Takagi- Sugeno (T-S). Nessa pesquisa, foi adotado um modelo matemático que utiliza uma relação empírica do torque do músculo com a largura de pulso, representada por uma função de transferência de primeira ordem. A modelagem da dinâmica do modelo do paciente paraplégico foi realizada com variáveis de estado. Projetou-se um regulador fuzzy (T-S), inicialmente no ponto de operação com a posição da perna em 30o, utilizando-se a teori

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6

Turcio, Karina Helga Leal. "Efeito do tratamento fisioterápico sobre as vibrações das articulações temporomandibulares (ATMs) de pacientes com hipermobilidade condilar /." Araçatuba : [s.n.], 2003. http://hdl.handle.net/11449/97405.

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Orientador: Alício Rosalino Garcia<br>Banca: Osvaldo Luiz Bezzon<br>Banca: Eulália Maria Martins da Silva<br>Resumo: Os ruídos articulares são sinais que caracterizam a presença de algumas desordens temporomandibulares ou instabilidade articular, porém também podem estar presentes em indivíduos sem sintomatologia dolorosa ou disfunção, representando assim um grande desconforto social. O objetivo deste estudo foi quantificar a energia vibratória e o pico de amplitude das vibrações das articulações temporomandibulares com estalo no final da abertura bucal de 15 pacientes com hipermobilidade cond

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7

Kennerly, Richard C. "Changes in Quantitative EEG and Low Resolution Tomography Following Cranial Electrotherapy Stimulation." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5364/.

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The effects of cranial electrotherapy stimulation (CES) on human EEG and brain current density were evaluated by quantitative electroencephalography (qEEG) and low resolution brain electromagnetic tomography (LORETA). A total of 72 research subjects were provided with a single session of CES, 38 were provided with 0.5 Hz CES while 34 were provided with 100 Hz CES. The qEEG paired t-tests revealed that in both frequencies of CES there was a significant (.05) increase in alpha relative power with concomitant decreases in delta and beta relative power. The 0.5 Hz CES decreased a wider frequency

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8

Bortoluzzi, Neida Lucas. "Cicatrização em pacus (Piaractus mesopotamicus) alimentados com ração suplementada com cromo trivalente e parede celular de Saccharomyces cerevisiae /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/95961.

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Orientador: Flávio Ruas de Moraes<br>Banca: Claudinei da Cruz<br>Banca: Mauricio Laterça Martins<br>Resumo: Neste trabalho foi avaliada a cinética da evolução do processo cicatricial em Piaractus mesopotamicus alimentados com ração suplementada por cromo trivalente e/ou parede celular de Saccharomyces cerevisiae, distribuídos ao acaso em quatro grupos; T1= controle sem suplemento; T2= com 0,3% de parede celular; T3= com 0,3% parede celular +18 mg de cromo trivalente/kg de ração; T4= com 18 mg de cromo trivalente/kg de ração. Após o período de alimentação de 105 dias, foram realizadas incisões

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9

Mcmillan, Isobel. "Stimulating reading : a behavioural and electrophysiological investigation of the impact of brain stimulation in developmental dyslexia." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/stimulating-reading-a-behavioural-and-electrophysiological-investigation-of-the-impact-of-brain-stimulation-in-developmental-dyslexia(d4a55832-44ec-4613-be50-2f7b8690180a).html.

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Developmental dyslexia is a disorder of reading which is associated with reduced left lateralisation of the temporoparietal cortex (TPC), an area associated with phonology and subword processing. This thesis aimed to explore differences between dyslexics and non-impaired controls using behavioural measures of reading aloud and electrophysiological measures of brain activation. It also investigated the impact of left lateralising transcranial direct current stimulation (tDCS) over TPC on both of these populations' behaviour and brain activity. While recent studies have found that left lateralis

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10

Ramaraju, Sriharsha. "Regarding the effect of stimulation on EEG based brain computer." Thesis, University of South Wales, 2018. https://pure.southwales.ac.uk/en/studentthesis/regarding-the-effect-of-stimulation-on-eeg-based-brain-computer(d5bb866a-a0cc-4aed-b059-28c3ab4d751c).html.

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It has been estimated that 15 million individuals around the world experience the ill effects of neural disabilities every year. Neural disabilities can affect motor control, such as Locked in Syndrome or Amyotrophic Lateral Sclerosis, whereas other affect working memory, such as schizophrenia, Alzheimer's and Parkinson's. However, recent research has show that mental rehearsal of physical movement tasks may remain intact following higher centre damage, and as such represents a new opportunity to accessing the motor system and using it to control devices. Brain Computer Interfaces (BCI) captur

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11

Tigra, Wafa. "Assistance à la préhension par stimulation électrique fonctionnelle chez le sujet tétraplégique." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT306.

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La stimulation électrique fonctionnelle (FES) est présente depuis des décennies dans les centres de rééducation. Le principe de cette technique est de créer une dépolarisation de la membrane (potentiel d’action) des cellules excitables (axones ou myocytes) entrainant une contraction musculaire. Employée dans la plupart des cas pour le renforcement musculaire et la prévention des atrophies musculaires faisant suite à une lésion de la moelle épinière, la FES peut également être utilisée pour diminuer la spasticité et restaurer des mouvements des membres. Ainsi, certains dispositifs (neuroprothès

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12

Beauchene, Christine Elizabeth. "EEG-Based Control of Working Memory Maintenance Using Closed-Loop Binaural Stimulation." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/83341.

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The brain is a highly complex network of nonlinear systems with internal dynamic states that are not easily quantified. As a result, it is essential to understand the properties of the connectivity network linking disparate parts of the brain used in complex cognitive processes, such as working memory. Working memory is the system in control of temporary retention and online organization of thoughts for successful goal directed behavior. Individuals exhibit a typically small capacity limit on the number of items that can be simultaneously retained in working memory. To modify network connectio

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13

Schroeder, Mark James. "Acquisition and quantitative analyses of EEG during CES and during concurrent use of CES and neurofeedback /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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14

Li, Zhan. "Nouvelle modalité de contrôle en boucle fermée de l'activation musculaire et prédiction en ligne du couple musculaire sous SEF." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20095/document.

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La stimulation électrique fonctionnelle (SEF) est une des techniques utilisées pour la rééducation ou la suppléance fonctionnelle de déﬁciences motrices. Un stimulateur génère des impulsions électriques qui induisent des contractions des muscles paralysés, au travers des unités motrices toujours intactes. Aujourd'hui, les systèmes fonctionnant en boucle ouverte sont majoritairement utilisés. Ils permettent aux chercheurs d'évaluer hors-ligne de la SEF. Cependant, leur réglage reste basé sur un cycle essai-erreur ce qui est loin de simpliﬁer la mise en œuvre de systèmes en boucle fermée. Dans c

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15

Rosie, Juliet. "The immediate effects of EMG-triggered neuromuscular electrical stimulation on cortical excitability and grip control in people with chronic stroke." Click here to access this resource online, 2009. http://hdl.handle.net/10292/731.

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AIM The aim of this study was to identify the immediate effects on cortical excitability and grip control of a short intervention of EMG-triggered neuromuscular electrical stimulation, compared to voluntary activation of the finger flexor muscles, in people with chronic stroke. STUDY DESIGN This experimental study used a within-subject design with experimental and control interventions. PARTICIPANTS Fifteen people with chronic stroke participated in the study. INTERVENTION Participants performed a simple force tracking task with or without EMG-triggered neuromuscular electrical stimulation of

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16

Valiulis, Vladas. "The effect of transcranial magnetic stimulation on brain bioelectrical activity." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140925_135043-14839.

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Transcranial magnetic stimulation (TMS) is a modern non invasive method of drug resistant psychiatric disorder treatment. TMS physiology research is hindered by variable, often controversial results. In most studies main attention is being focused on immediate effects after single TMS procedure rather than the influence of a complete therapy course. It is considered that variability of results in TMS practice is caused by different stimulation parameters and imprecision of stimulated area placement in the brain. Although TMS therapy is often viewed as a milder alternative to electroconvulsive

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17

Bareither, Isabelle. "Subliminal stimulation and inhibition of visual processing." Doctoral thesis, Humboldt-Universität zu Berlin, Lebenswissenschaftliche Fakultät, 2015. http://dx.doi.org/10.18452/17118.

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Bei einem Spaziergang im Mondlicht nehmen wir Ereignisse verschiedenster Intensität wahr. Vom blendenden Licht eines vorbeifahrenden Motorrads bis hin zu undeutlichen Schatten. Verarbeiten wir diese Ereignisse alle gleich? In dieser Arbeit untersuchte ich, wie das visuelle System auf Stimuli reagiert, die so niedrig in ihrer Intensität sind, dass wir sie nicht wahrnehmen. Frühere somatosensorische Studien zeigten eine kortikale Deaktivierung aufgrund subliminaler Stimulation. Diese wurde als Hemmungsmechanismus interpretiert zur Unterdrückung kortikalen Rauschens. Unterstützt wurde diese Aus

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18

Drew, Ashley. "Exploring Body Representations: Effects of Visuotactile Congruency on Sensorimotor EEG Measures." Diss., Temple University Libraries, 2017. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/428329.

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Psychology<br>Ph.D.<br>There has been a recent growth of interest in exploring the complexities of multisensory processes underlying human body representation. One cross-modal aspect of body representations involves the visuotactile body mapping between tactile stimulation of a body limb and the observation of a body limb. Previous findings demonstrate that visual information influences the spatial and temporal patterning of brain responses to tactile stimulation. By manipulating the congruency of the visuotactile stimuli, the integration of visual and tactile information of the body can be in

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Cordeiro, Mabel Freitas. "Avaliação da laparoscopia na aspiração folicular em fêmeas caprinas pré-púberes e adultas com ou sem estimulação ovariana hormonal /." Jaboticabal : [s.n.], 2006. http://hdl.handle.net/11449/101157.

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Orientador: Wilter Ricardo Russiano Vicente<br>Banca: Tânia Vasconcelos Cavalcante<br>Banca: José Wanderley Cattelan<br>Banca: Lia de Alencar Coelho<br>Banca: Cintia Lúcia Maniscalco<br>Resumo: O uso repetido da laparoscopia para aspiração folicular (LAF) associado ou não à estimulação hormonal foi avaliado. Para tanto foram utilizadas 40 fêmeas caprinas sem-raça-definida, divididas aleatoriamente em 4 grupos com 10 animais cada, sendo: Grupo 1 - adultas estimuladas com 80 mg de FSHp e 300 UI de eCG; Grupo 2 - adultas não estimuladas (controle); Grupo 3 - prépúberes estimuladas com metade das

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Blomberg, Rina. "Evoked Multisensory Cortical Representations During Unisensory Stimulation." Thesis, Linköpings universitet, Institutionen för datavetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-94341.

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The primary aim of this study was to establish whether redintegrative effects can be revealed under conditions with complex sensory stimulation. Specifically, would the cortical activity involved in the single-trial, passive encoding of a movie, be reactivated when subsequently exposed to a unisensory component of that movie, e.g. an audio- or visual-only segment? High-density electrical neuroimaging analysis in the frequency domain was used to assist this aim. The statistical comparisons revealed a greater number of oscillating neuronal regions across all frequency bands in participants wh

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Altakroury, Hamza Fawzi. "In-vivo Human Head Conductivity Estimation by SEEG and EEG Recorded in Simultaneous with Intracerebral Electrical Stimulation." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0304/document.

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La localisation de source d'EEG devient un outil important pour traiter les patients atteints d'épilepsie en localisant les zones épileptogènes avant d'effectuer une chirurgie de résection. Compte tenu d'un modèle de tête direct, la localisation de la source EEG est réalisée en résolvant le problème inverse. Le modèle de tête direct est un modèle biophysique de tête plus ou moins complexe qui décrit la distribution électrique. En considérant la propagation électrique expliquant la distribution de potentiels, outre la numérisation, le modèle nécessite le réglage deux paramètres lesquels sont la

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22

Hotson, Suzanne. "A longitudinal study of cortical EEG to olfactory stimulation, involving inter- and intra-subjective responses." Thesis, University of Warwick, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386869.

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23

Marx, Viola. "Fetal responsiveness to auditory and tactile stimulation." Thesis, University of Dundee, 2018. https://discovery.dundee.ac.uk/en/studentTheses/c3a21d95-627d-4f82-be92-d6dc9c3837b9.

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The aim of this thesis was to examine fetal behavioural responses to auditory and tactile stimulation. Responses were examined for the second- and third-trimester fetuses (second-trimester ≤ 27 gestational weeks (wGA), third- trimester >27 wGA), in both experiments, respectively. Experiment 1 of this thesis examined fetal behavioural responses to the mother’s recorded and live voice, contrasting findings to an environmental sound and silent control conditions. Behavioural responses of 30 fetuses trimester (20-33 wGA, N = 13 in the 2nd and N = 17 in the 3rd trimester) Were examined in the follo

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Johnson, Mark Ian. "Factors influencing the analgesic effects and clinical efficacy of transcutaneous electrical nerve stimulation (TENS)." Thesis, University of Newcastle Upon Tyne, 1991. http://hdl.handle.net/10443/539.

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Transcutaneous electrical nerve stimulation (TENS) is a simple, non-invasive technique used in the control of chronic pain. Despite the success of TENS and its continued use for over twenty years, some patients either fail to respond or show only a partial response. Furthermore some patients respond initially to TENS but then become tolerant to its analgesic effects. The reasons for poor response to TENS are unknown; different clinics report widely differing success rates, and information on long-term efficacy is sparse. Furthermore, TENS is still administered on an empirical basis in which th

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25

Strakoš, Libor. "Využití EEG ve vyhodnocování emocionálních stavů člověka." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-241968.

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This thesis is focused on EEG processing and emotion classification within two-dimensional emotion space. First part consists of theoretical research about emotional responses of human subjects on sound, image and video stimuli. Emotions are examined from aspect of physiology and psychology. Furthermore technical overview of measurement, analysis and emotion classification within two-dimensional emotional space is discussed. Based on gathered knowledge measurement setup with audiovisual stimuli was designed and measured with two independent instruments – EGI GES400MR in laboratory conditions a

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Noury, Nima Verfasser], and Markus [Akademischer Betreuer] [Siegel. "Properties of transcranial electric stimulation artifacts in EEG and MEG recordings / Nima Noury ; Betreuer: Markus Siegel." Tübingen : Universitätsbibliothek Tübingen, 2018. http://d-nb.info/1173700021/34.

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Tanguenza, Arianna. "Somatosensory Evoked Potentials following somatotopic and non somatotopic upper limb electrical stimulation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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Uno dei principali problemi riscontrati nell’utilizzo di una protesi di arto superiore è la mancanza di feedback sensoriale, che riduce il controllo di movimenti e forza applicata, limitando la percezione della protesi come parte del proprio corpo (embodiment). La stimolazione non invasiva dei nervi mediano e ulnare rappresenta un possibile strumento per la restituzione di feedback somatotopico, cioè percepito sull’arto (mano) fantasma, in alternativa alle procedure invasive che hanno già permesso di ottenere buone performance su alcuni amputati. I correlati neurali della stimolazione del nerv

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Hincapie, Juan Gabriel. "EMG-Based Control of Upper Extremity Neuroprostheses for C5/C6 Spinal Cord Injury." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1212766320.

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Tayaranian, Hosseini Pegah. "Brain connectivity measured from the EEG during auditory stimulation in normal hearing subjects and cochlear implant users." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/388101/.

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The human brain is regarded as an ensemble of dynamic systems in which communication between neural centres is very important. In order to perceive sounds many different cortical and subcortical brain areas have to coordinate their activity. After hearing loss, the connections and information pathways between these areas may rearrange and this may be one of the reasons for unsatisfactory speech perception after cochlear implantation (CI). It remains unclear how the brain connectivity and its re-organisation contribute to this, and this provides the motivation for the current study. The brain o

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Giuffrida, Joseph P. "Synergistic Neural Network Control of FES Elbow Extension After Spinal Cord Injury Using EMG." Case Western Reserve University School of Graduate Studies / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=case1081513453.

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Tye, Gee Jun. "Combined adjuvant for stimulation of cellular immunity." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/combined-adjuvant-for-stimulation-of-cellular-immunity(b1be07ae-b8d4-40a8-9258-bc3e3413df9d).html.

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Vaccination has important clinical potential in the immunotherapy of both infectious disease and cancer. The central aim of the studies reported in this thesis has been the development of vaccination strategies that will be effective for therapeutic applications in cancer. Using ovalbumin antigen in a mouse model, we have examined a combination of recently developed adjuvants referred to as CASAC (combined adjuvants for synergistic stimulation of cellular immunity) to optimise the efficacy of vaccination induced T cell mediated immunity. These studies have examined the effect of repeated round

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Mendes, Gabriela Pacheco. "Efeito dos tratamentos de estimulação e superovulação usando gonadotrofina coriônica equina (eCG) na expressão de genes relacionados à modelagem celular e angiogênese no corpo lúteo bovino." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-16032015-151116/.

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O uso da gonadotrofina coriônica equina (eCG) tem sido considerado uma potencial ferramenta nos protocolos de estimulação e superovulação para melhorarem o desempenho reprodutivo dos rebanhos. Este fato levou a hipótese de que o tratamento com eCG altera as vias de sinalização intracelular no corpo lúteo (CL) formado. Para testá-la, 18 vacas mestiças de Nelore (Bos indicus) foram divididas em três grupos: controle, estimulado e superovulado. O protocolo de sincronização da ovulação com o uso do dispositivo de P4 foi descrito anteriormente (FÁTIMA et al., 2013). O grupo estimulado recebeu 400 U

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Sonnenschein, Bonnie. "Temporal integration in the neural substrate for brain stimulation reward, duration neglect and the peak-and-end model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0003/MQ43623.pdf.

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Sauter, Marie Babette [Verfasser], and Manfred [Akademischer Betreuer] Hallschmid. "Die Auswirkung der auditorischen Stimulation langsamer Tiefschlaf- EEG-Oszillationen auf die Gedächtnisleistung / Marie Babette Sauter ; Betreuer: Manfred Hallschmid." Tübingen : Universitätsbibliothek Tübingen, 2019. http://d-nb.info/1199929727/34.

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de, Jager K. "Knee extension with less hip flexion : biomechanical and evoked EMG analysis during selective surface stimulation of the quadriceps." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1380420/.

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During FES cycling when the Quadriceps muscles are activated both knee extension and hip flexion moments occur simultaneously, decreasing the total power output. Of the three superficial muscles, Rectus femoris is a biarticular muscle that produces both a knee extension and a hip flexion, while Vastus lateralis and Vastus medialis are only knee extensors. This thesis is an investigation whether, using surface stimulation, selective stimulation of the Vastii can produce knee extension moment with less hip flexion. A system was developed for measurement of the joint moments and evoked myoelectri

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Martin, G. Neil. "Pre- and post-prandial human scalp-EEG response to olfactory stimulation, using the brain electrical activity mapping technique." Thesis, University of Warwick, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388639.

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Kohli, Siddharth. "Closed-loop transcranial electrical stimulation : novel techniques for integrating electroencephalography and real-time adjustments of a.c. stimulation." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/closedloop-transcranial-electrical-stimulation-novel-techniques-for-integrating-electroencephalography-and-realtime-adjustments-of-ac-stimulation(8058dac2-60a0-47e7-803a-8630a734305d).html.

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The goal of this thesis is to design methods and techniques for closed-loop transcranial Electric Stimulation (tES) based on feedback from ongoing neural activity. tES is a popular Non-Invasive Brain Stimulation (NIBS) approach and has been shown to modulate ongoing brain activity to affect behaviour. The application of these methods has major implications in both understanding the anatomy & function of the brain, and development of therapies for non-pharmacological intervention in mental health disorders. A review of existing brain imaging techniques compatible with tES shows that electro

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Kurdie, Sara. "FÖREKOMSTEN AV FOTO-PAROXYSMAL REAKTION HOS PATIENTER VID UTREDNING MED EEG." Thesis, Malmö universitet, Malmö högskola, Institutionen för biomedicinsk vetenskap (BMV), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-43296.

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Vid elektroencefalografi (EEG) används intermittent ljusstimulering för att detektera eventuell fotoparoxysmal reaktion (PPR) hos patienter, som tecken på en fotosensitivitet och stöd för en misstanke om epilepsi. Intermittent ljusstimulering innebär att patienten exponeras för en stroboskoplampa som ger ljus med frekvenser mellan 1–60 Hz. PPR karaktäriseras av spikes, spike-waves eller polyspike-waves som uppkommer bilateralt och synkront, symmetriskt och generaliserat. Intermittent ljusstimulering är en provokation som utförs vid rutin-EEG som tolkas på Skånes universitetssjukhus mellan 6 må

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Aslam, Adam Joshua. "EEG Characterization During Motor Tasks That Are Difficult for Movement Disorder Patients." DigitalCommons@CalPoly, 2017. https://digitalcommons.calpoly.edu/theses/1822.

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Movement disorders are a group of syndromes that often arise due to neurological abnormalities. Approximately 40 million Americans are affected by some form of movement disorder, significantly impacting patients’ quality of life and their ability to live independently. Deep brain stimulation (DBS) is one treatment that has shown promising results in the past couple decades, however, the currently used open-loop system has several drawbacks. By implementing a closed-loop or adaptive DBS (aDBS) system, the need for expensive parameter reprogramming sessions would be reduced, side-effects may be

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Navrátil, Rudolf. "Software pro prezentaci multimediálních stimulů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-220840.

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This work deals with the affects of multimedia stimuli on the human body, their processing by senses, the possibility of presentation of the stimuli with emphasis on the possibility of measuring the impact of their effect on biological signals using external measuring station. It describes the design and implementation of the application, allowing presentation of the mentioned stimuli and their synchronization with external measuring system Biopac.

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Zhang, Xiang Qin. "Estimation du couple généré par un muscle sous SEF à la base de l’EMG évoquée pour le suivi de la fatigue et le contrôle du couple en boucle fermée." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20191/document.

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La stimulation électrique fonctionnelle (SEF) a le potentiel de fournir une amélioration active aux blessés médullaires en termes de mobilité, de stabilité et de prévention des effets secondaires.Dans le domaine des système SEF pour les membres inférieurs, le couple articulaire adéquat doit être fournie de façon appropriée pour effectuer le mouvement prévu et maintenir l'équilibre postural. Toutefois, les changements d'état du muscle tels que la fatigue musculaire est une cause majeure qui dégrade ses performances. En outre, la plupart des patients, dont la blessure médullaire est complète, n'

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Smělý, Tomáš. "Klasifikace signálu EKG." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217735.

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This thesis deals with classification of different types of time courses of ECG signals. Main objective was to recognize the normal cycles and several forms of arrhythmia and to classify the exact types of them. Classification has been done with usage of algorithms of Neural Networks in Matlab program, with its add-on (Neural Network Toolbox). The result of this thesis is application, which makes possible to load an ECG signal, pre-process it and classify its each cycle into five classes. Percentage results of this classification are in the conclusion of this thesis.

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Ribas, Bibiana Noal. "Gonadotrofina coriônica equina (ECG) na superestimulação ovariana prévia a opu em vacas braford: efeito sobre o crescimento folicular e na cinética de fecundação e desenvolvimento embrionário in vitro." Universidade Federal do Pampa, 2017. http://dspace.unipampa.edu.br:8080/jspui/handle/riu/3380.

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Submitted by Marcos Anselmo (marcos.anselmo@unipampa.edu.br) on 2018-09-28T14:54:49Z No. of bitstreams: 1 BIBIANA RIBAS.pdf: 831752 bytes, checksum: 996820e0c99836629d4fd8d1881772d4 (MD5)<br>Approved for entry into archive by Marcos Anselmo (marcos.anselmo@unipampa.edu.br) on 2018-09-28T14:55:06Z (GMT) No. of bitstreams: 1 BIBIANA RIBAS.pdf: 831752 bytes, checksum: 996820e0c99836629d4fd8d1881772d4 (MD5)<br>Made available in DSpace on 2018-09-28T14:55:06Z (GMT). No. of bitstreams: 1 BIBIANA RIBAS.pdf: 831752 bytes, checksum: 996820e0c99836629d4fd8d1881772d4 (MD5) Previous issue date: 201

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Pinnell, Richard Charles. "Miniature wireless deep-brain stimulator and EEG-recording device : implications for the treatment of schizophrenia." Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24074.

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Deep-brain stimulation (DBS) is increasingly being pursued as a treatment option for a range of neuropsychiatric disorders. When assessing its potential for the treatment of schizophrenia, related animal studies are often limited by the range of measurements that the equipment is capable of. In animals, the combination of DBS with various recording modalities such as local-field potential (LFP) recording has traditionally required complex and time-consuming laboratory setups. Furthermore, the elucidation of neural activity underpinning rodent behaviour has traditionally been hampered by the us

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Wozniak-Kwasniewska, Agata. "Evaluation de l'excitabilité corticale par électroencéphalographie pour l'optimisation de la stimulation magnétique transcrânienne répétée chez les patients souffrant de troubles de l'humeur." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENS015/document.

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La stimulation magnétique transcranienne (SMT) est une technique non invasive qui permet de stimuler le cerveau. Les SMT répétitives (SMTr), c'est-à-dire l'application de nombreuses impulsions magnétiques, sont capable d'induire des modifications de longue durée de l'excitabilité neuronale. La SMT s'est développée dans un but thérapeutique et scientifique. Les effets après la SMTr sur le cortex moteur sont bien documentés chez les individus sains, mais on en sait moins sur la stimulation du cortex préfrontal dorso-latéral (DLPFC).L'objectif de cette thèse était de comparer différents protocole

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Manidakis, Ioannis. "Paired pulse electrical stimulation in human intractable focal epilepsy." Thesis, King's College London (University of London), 2012. https://kclpure.kcl.ac.uk/portal/en/theses/paired-pulse-electrical-stimulation-in-human-intractable-focal-epilepsy(0cae49bb-f24e-4036-a465-10a4b034ed51).html.

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Objective: The purpose of this study was the identification of synaptic changes related to epileptogenesis in patients investigated with intracranial recordings during presurgical assessment. Hypothesis: The following hypotheses were tested: 1. Suppression, depression or facilitation is related to seizure onset area. 2. The removal of the cortex showing suppression, depression or facilitation is associated with better surgery outcome. Methods: A total of 79 patients with intractable focal epilepsy in whom intracranial electrodes were implanted for assessment prior to epilepsy surgery were anal

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Florence, Margaret Mary. "Migration Stimulating Factor : the search for inhibitors." Thesis, University of Dundee, 2013. https://discovery.dundee.ac.uk/en/studentTheses/20738022-0982-4ec5-ade3-3cdf8e5beed3.

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The oncofetal protein Migration Stimulating Factor (MSF) is a truncated isoform of human fibronectin which exhibits numerous bioactivities that are pertinent to cancer progression. The MSF protein (70kDa) has potent motogenic activity, with only femtomolar concentrations required to produce half-maximal. The proteolytic degradation of MSF generates the functionally equivalent 43kDa Gel-BD domain and 21kDa IGD peptide. The screening of conditioned medium (CM) for bioactivity revealed two sources of MSF-inhibitory (MSF-I) activity; the spontaneously immortalised human keratinocyte cell line (HaC

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Valiulis, Vladas. "Transkranijinės magnetinės stimuliacijos įtaka galvos smegenų bioelektriniam aktyvumui." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140925_135031-16126.

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Transkranijinė magnetinė stimuliacija (TMS) – tai modernus neinvazinis vaistams rezistentiškų psichiatrinių sutrikimų gydymo būdas. Fiziologiniai TMS tyrimai pasižymi įvairiais, dažnai prieštaringais rezultatais, daugeliu atvejų didžiausias dėmesys skiriamas betarpiškiems poveikiams po vienos TMS procedūros, bet ne po pilno terapinio kurso. Manoma, kad rezultatų įvairovę TMS praktikoje įtakoja skirtingi stimuliacijos parametrai ir netikslumai parenkant stimuliuojamą zoną smegenyse. Nors TMS terapija dažnai traktuojama kaip švelnesnė alternatyva elektros impulsų terapijai (EIT), palyginamųjų fi

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Mamone, Bernadett. "MOTOR IMAGERY TRAINING FACILITATES NEURAL ADAPTATIONS ASSOCIATED WITH MUSCLE STRENGTHENING IN AGING." Kent State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=kent1374150888.

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Aumann, Dominic [Verfasser]. "Comparative effects of anodal and cathodal slow oscillating transcranial direct current stimulation during slow wave sleep on EEG activity / Dominic Aumann." Lübeck : Zentrale Hochschulbibliothek Lübeck, 2016. http://d-nb.info/1084030128/34.

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