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Rozprawy doktorskie na temat „Sensory plasticity”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

Bennett, David Lawrence Harvey. "Neurotrophins and sensory neuron development and plasticity." Thesis, University of London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267645.

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McNair, Nicolas A. "Input-specificity of sensory-induced neural plasticity in humans." Thesis, University of Auckland, 2008. http://hdl.handle.net/2292/3285.

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The aim of this thesis was to investigate the input-specificity of sensory-induced plasticity in humans. This was achieved by varying the characteristics of sine gratings so that they selectively targeted distinct populations of neurons in the visual cortex. In Experiments 1-3, specificity was investigated with electroencephalography using horizontally- and vertically-oriented sine gratings (Experiment 1) or gratings of differing spatial frequency (Experiments 2 & 3). Increases in the N1b potential were observed only for sine gratings that were the same in orientation or spatial frequency as t

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Dunfield, Derek James. "Sensory experience driven network plasticity in the awake developing brain." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/13655.

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During embryonic activity‐dependent brain circuit refinement, neurons receiving the same natural sensory input may undergo either long‐term potentiation (LTP) or depression (LTD). While the origin of variable plasticity in vivo is unknown, the type of plasticity induced plays a key role in shaping dynamic neural circuit synaptogenesis and growth. Here, we investigate the effects of natural visual stimuli on functional neuronal firing within the intact and awake developing brain using calcium imaging of 100s of central neurons in the Xenopus retinotectal system. We find that specific patterns o

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4

Vahdat, Shahabeddin. "Training-induced plasticity in resting-state sensory and motor networks." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114465.

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Research on plasticity in motor systems has for the most part developed separately from work on sensory plasticity, as if training-induced changes to the brain affected each of these systems in isolation. The aim of this thesis is to explore the association between the sensory and motor systems when a new skill is acquired. The experiments reported in this dissertation systematically examine two hypotheses about neuroplasticity: (i) that motor learning changes perceptual function and the function of somatosensory areas of the brain, and (ii) that somatosensory training changes both motor funct

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Ramer, Matthew Stephen. "Sympathetic and sensory neuronal plasticity, peripheral substrates of neuropathic pain." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ31950.pdf.

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6

He, Haiyan. "Molecular mechanisms of synaptic plasticity in adult mammalian sensory cortex." College Park, Md. : University of Maryland, 2007. http://hdl.handle.net/1903/6712.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2007.<br>Thesis research directed by: Biology. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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7

Dolan, Sharron. "Plasticity in the adult rat somatosensory system following sensory deprivation." Thesis, University of Stirling, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244606.

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Eilers, Wouter. "Sensory pathways of muscle phenotypic plasticity : calcium signalling through CaMKII." Thesis, Manchester Metropolitan University, 2012. http://e-space.mmu.ac.uk/315671/.

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Skeletal muscle can adapt its structure to cope with the mechanical and metabolic stresses placed on it by various amounts and patterns of human movement. The release of calcium into the cytoplasm of muscle fibres is thought to have an important role in these adaptations, yet the calcium-dependent signalling pathways involved haven’t been fully defined. Calcium/calmodulin-dependent protein kinase II (CaMKII) has been presumed to drive mitochondrial biogenesis in skeletal muscle, but this has not been investigated in vivo. The experiments in this thesis aimed to address how CaMKII is activated

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Fasthén, Patrick. "The Virtual Self : Sensory-Motor Plasticity of Virtual Body-Ownership." Thesis, Högskolan i Skövde, Institutionen för biovetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-10501.

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The distinction between the sense of body-ownership and the sense of agency has attracted considerable empirical and theoretical interest lately. However, the respective contributions of multisensory and sensorimotor integration to these two varieties of body experience are still the subject of ongoing research. In this study, I examine the various methodological problems encountered in the empirical study of body-ownership and agency with the use of novel immersive virtual environment technology to investigate the interplay between sensory and motor information. More specifically, the focus i

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Neumann, Simona. "A-fibre plasticity : phenotype switch and regenerative capacity." Thesis, University College London (University of London), 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267611.

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Pattinson, Damian Thomas. "The role of CAMKIIa in a development and plasticity of sensory pathways." Thesis, University College London (University of London), 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.412584.

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Martel, Marie. "Body representations in action : development and plasticity in the sensory guidance of prehension." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSE1288.

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Planifier, exécuter un mouvement fait appel à des représentations mentales de l'action. Ces dernières ont été formalisées par les sciences computationnelles sous le terme de modèles internes du contrôle moteur. Outre l'environnement, les informations concernant la posture, les dimensions de l'effecteur sont également cruciales et doivent être mises à jour fréquemment. Etonnamment, les modèles actuels de l‘action n'attribuent pas aux représentations du corps un rôle majeur. La mise à jour de ces représentations de l'action et du corps doit intervenir dès l'enfance, néanmoins leur développement

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Chakrabarty, Arnab. "Role of sensory input in structural plasticity of dendrites in adult neuronal networks." Diss., lmu, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-155241.

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Norris, Andrew J. "Sensory modalities, plasticity and prey choice in three sympatric species of whiting (Pisces:Sillaginidae) /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17866.pdf.

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LeBlanc, Jocelyn Jacqueline. "Critical period plasticity and sensory function in a neuroligin-3 model of autism." Thesis, Harvard University, 2013. http://dissertations.umi.com/gsas.harvard:10820.

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Extensive experience-dependent refinement of cortical circuits is restricted to critical periods of plasticity early in life. The timing of these critical periods is tightly regulated by the relative levels of excitatory and inhibitory (E/I) neurotransmission during development. Genetic disruption of synaptic proteins that normally maintain E/I balance can result in severe behavioral dysfunction in neurodevelopmental disorders like autism, but the mechanisms are unclear. We propose that abnormal critical periods of sensory circuit refinement could represent a key link between E/I imbalance and

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16

Heron, James, N. W. Roach, David J. Whitaker, and James Vincent Michael Hanson. "Attention regulates the plasticity of multisensory timing." Wiley, 2010. http://hdl.handle.net/10454/4548.

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Evidence suggests that human time perception is likely to reflect an ensemble of recent temporal experience. For example, prolonged exposure to consistent temporal patterns can adaptively realign the perception of event order, both within and between sensory modalities (e.g. Fujisaki et al., 2004 Nat. Neurosci., 7, 773-778). In addition, the observation that 'a watched pot never boils' serves to illustrate the fact that dynamic shifts in our attentional state can also produce marked distortions in our temporal estimates. In the current study we provide evidence for a hitherto unknown link betw

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Gunner, Georgia. "Sensory Deprivation Induces Microglial Synapse Engulfment." eScholarship@UMMS, 2021. https://escholarship.umassmed.edu/gsbs_diss/1148.

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Synaptic connectivity is highly plastic in early development and undergoes extensive remodeling in response to changes in neuronal activity and sensory experience. Microglia, the resident central nervous system macrophages, participate in shaping mature neuronal circuits by dynamically surveying the brain parenchyma and pruning away less active synaptic connections. However, it is unknown how changes in neuronal activity regulates microglial pruning within circuits and whether this activity-dependent pruning is necessary to achieve plasticity. Using the rodent somatosensory circuit, I identifi

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Bogdanov, Sergei, and Sergei Bogdanov. "Effects of Hand Transplantation on Cortical Organization." Thesis, University of Oregon, 2012. http://hdl.handle.net/1794/12378.

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Amputation induces substantial reorganization of the body part somatotopy in primary sensory cortex (S1), and these effects of deafferentation increase with time. Determining whether these changes are reversible is critical for understanding the potential to recover from deafferenting injuries. Here, we report evidence that the representation of a transplanted hand and digits can actually recapture the pre-amputation S1 hand territory in two transplant patients. With limited sensation 4 months post operation, one of the patient's (D.S.) palmar tactile stimulation evoked contralateral S1 respon

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19

Chen, Simon. "Molecular mechanisms underlying sensory-driven structural and functional plasticity in the awake developing brain." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/42763.

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During early brain development, formation of functional neural circuits requires correct neuronal morphological growth and formation of appropriate synaptic connections. In addition, sensory experience and neural activity impart lasting effects on morphological and functional complexity by directing synapse formation and synaptic plasticity. Errors in these events may result in the creation of dysfunctional circuits underlying common neurodevelopmental disorders, including Autism Spectrum Disorder (ASDs), schizophrenia, and epilepsy. Therefore, to understand the normal development and the path

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Chery, Romain. "Plasticité de la dynamique spatiale et temporelle de la représentation d’une odeur dans le bulbe olfactif de souris." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA11T102.

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La représentation corticale des informations sensorielles est fondamentale dans la perception, la reconnaissance et la mémorisation des différents objets de l’environnement. Les mécanismes de codage d’un stimulus sensoriel au niveau d’une population neuronale prennent place dans le temps et l’espace, deux composantes que nous avons étudiées successivement dans ce travail de thèse. Dans le bulbe olfactif, la dynamique des activités neuronales se traduit par de larges oscillations du potentiel de champ local. Plusieurs études indiquent que ces activités oscillatoires varient en fonction de l’env

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Min, Lia. "Experience-Dependent Loss of Cross-Modal Plasticity in Mouse Visual Cortex." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10643.

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We perceive the world through sensory experience. Sensory information is registered and processed by our brain in a modality specific fashion. Interestingly, studies have shown that the visual cortex of early but not late blind subjects is able to respond to touch or sound (Sadato et al., 1996; Buchel et al., 1998; Weeks et al., 2000; Gougoux et al., 2009). Here, we investigated whether sensory parcellation in adult cortex is innate or is acquired during early postnatal life in an experience-dependent manner. Furthermore, we studied the anatomical substrates and molecular pathways possibly inv

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Amcoff, Mirjam. "Fishing for Females : Sensory Exploitation in the Swordtail Characin." Doctoral thesis, Uppsala universitet, Zooekologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-207334.

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Mate choice plays an important role in sexual selection and speciation. The evolution of mate choice is intriguing in cases where choosy individuals gain little except for genetic material from the mate and where the trait used as a criterion for the choice is costly to its bearer. The sensory exploitation hypothesis is an interesting idea that applies to such cases because it suggests that sexual preferences may arise as side-effects of preferences that are under selection in other contexts. The role of mate choice in speciation is strong but is debated because the reasons for population dive

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Maalouf, Marwan. "Functions of the cerebral cortex and cholinergic systems in synaptic plasticity induced by sensory preconditioning." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0028/NQ51962.pdf.

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Philipp, Sebastian Thomas. "Information integration and neural plasticity in sensory processing investigated at the levels of single neurons, networks, and perception." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-161996.

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In this doctoral thesis, several aspects of information integration and learning in neural systems are investigated at the levels of single neurons, networks, and perception. In the first study presented here, we asked the question of how contextual, multiplicative interactions can be mediated in single neurons by the physiological mechanisms available in the brain. Multiplicative interactions are omnipresent in the nervous system and although a wealth of possible mechanisms were proposed over the last decades, the physiological origin of multiplicative interactions in the brain remains an o

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Chakrabarty, Arnab [Verfasser], and Tobias [Akademischer Betreuer] Bonhoeffer. "Role of sensory input in structural plasticity of dendrites in adult neuronal networks / Arnab Chakrabarty. Betreuer: Tobias Bonhoeffer." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2013. http://d-nb.info/103286267X/34.

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Balu, Ramani. "Intrinsic and Synaptic Properties of Olfactory Bulb Neurons and Their Relation to Olfactory Sensory Processing." Case Western Reserve University School of Graduate Studies / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=case1173540900.

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Carlsson, Josefine. "The affects of exercise and brain plasticity, discussed in relation to Functional oriented Music Therapy; a theoretical study." Thesis, University of Skövde, School of Humanities and Informatics, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-68.

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<p>Abstract</p><p>This essay examines which role functional oriented music therapy, which is supposed to help sensorimotor development, can have in schools and in health care. To find this out, research about what kinds of effects exercise can have on academic achievements and in recovery from brain injuries has been brought up. The research concerning academic achievements was conducted with school children; some children without difficulties, some with sensory integration problems, and some with motor skill difficulties. In addition to this, research about the brain structure superior collic

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Heiss, Leah Rose Laurel, and leah heiss@rmit edu au. "Empathy and the space between: investigating the role of digitally enhanced apparel in promoting remote empathetic connection." RMIT University. Architecture and Design, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070112.101632.

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This body of work is the culmination of a two year investigation into the role of electronically enhanced apparel and artefacts in providing empathetic linkage between people who do not share physical space. The research draws from the diverse fields of philosophy, communications theory, neuropsychology, presence technologies and technologically advanced textiles, and proposes that a nexus of these disciplines may provide significant opportunities for enhancing the user interactivity of garments and artefacts. Remote emotional connection is investigated through the creation of

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André, Marion Agnès Emma [Verfasser], Denise [Gutachter] Manahan-Vaughan, and Hanns [Gutachter] Hatt. "Sensory information processing in hippocampal synaptic plasticity, spatial and extinction learning / Marion Agnès Emma André ; Gutachter: Denise Manahan-Vaughan, Hanns Hatt." Bochum : Ruhr-Universität Bochum, 2016. http://d-nb.info/1119447380/34.

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Dietz, Birte Elsabeth [Verfasser], Denise [Gutachter] Manahan-Vaughan, and Stefan [Gutachter] Herlitze. "Sensory integration by hippocampal synaptic plasticity and place cells / Birte Elsabeth Dietz ; Gutachter: Denise Manahan-Vaughan, Stefan Herlitze ; International Graduate School of Neuroscience." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/1167505387/34.

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Erlandson, Melissa. "Investigating the plasticity of sensory cortical circuits in the context of learning in the wild-type mouse and a conditional mouse model of fragile X syndrome." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0342.

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L'objectif de ce projet est l’étude de la plasticité des circuits corticaux dans le contexte de l'apprentissage des souris « sauvages » et modèles du syndrome de l’X fragile. Des études sur l'efficacité de la combinaison d'enregistrement des potentiels de champ locaux extracellulaires avec la stimulation laser UV (LSPS) pour cartographier les réseaux ont été réalisées. Nous avons trouvé des enregistrements de champs extracellulaires qui pourraient être utilisés pour détecter les réponses synaptiques évoquées par LSPS. Nos résultats indiquent une méthode alternative pour obtenir des cartes comp

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Philipp, Sebastian Thomas [Verfasser], and Thomas [Akademischer Betreuer] Wachtler. "Information integration and neural plasticity in sensory processing investigated at the levels of single neurons, networks, and perception / Sebastian Thomas Philipp. Betreuer: Thomas Wachtler." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2013. http://d-nb.info/1043906517/34.

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Bradley, Claire. "The first steps of cortical somatosensory and nociceptive processing in humans : anatomical generators, functional plasticity, contribution to sensory memory and modulation by cortical stimulation." Thesis, Lyon 1, 2015. http://www.theses.fr/2015LYO10213.

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Les sensations en provenance de notre corps se combinent pour donner lieu à des perceptions extrêmement variées, pouvant aller de la brûlure douloureuse au toucher agréable. Ces deux types d'informations dites nociceptives et non nociceptive sont traitées au sein du système nerveux somatosensoriel. Dans ce travail de thèse, nous avons modélisé et caractérisé l'activité électrique du cortex operculo-insulaire au sein des réseaux somatosensoriels non-douloureux et nociceptif, grâce à des enregistrements non-invasifs chez l'Homme. La validité du modèle en réponse à un stimulus nociceptif a été év

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Chappell, Tyson. "The long-term teratogenic effect of prenatal alcohol exposure on the somatosensory and motor cortex of rats." View the abstract Download the full-text PDF version, 2007. http://etd.utmem.edu/ABSTRACTS/2007-013-Chappell-index.htm.

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Thesis (Ph.D.)--University of Tennessee Health Science Center, 2007.<br>Title from title page screen (viewed on February 29, 2008). Research advisor: Robert S. Waters, Ph.D. Document formatted into pages (xix, 179 p. : ill.). Vita. Abstract. Includes bibliographical references (p. 152-178).

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Triner, Joceline Clare. "Defining neurochemical properties and functions of primary sensory neurons in the rat trigeminal ganglion." Thesis, University of Plymouth, 2013. http://hdl.handle.net/10026.1/1585.

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The trigeminal ganglion (TG) is a complex sensory structure and multiple lines of evidence suggest that significant differences exist in anatomical, neurochemical and physiological properties between it and its equivalent structure in the somatosensory system, the dorsal root ganglion (DRG). This is likely to be a reflection, first on the unique areas of tissue innervation of the TG and second, on the unusual responses to injury which give rise to distinct pain symptoms such as toothache, migraine and temporomandibular joint disorders. In an attempt to address this disparity in knowledge, we h

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Le, Fur Iris. "La plasticité sonore : la création visuelle et sonore, une interaction sensorielle, émotionnelle et sémantique." Thesis, Aix-Marseille, 2017. http://www.theses.fr/2017AIXM0101.

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Sur la base d’une pratique artistique explorant le phénomène vibratoire de la matière, cette thèse propose une réflexion sur les interactions entre matières sonores et matières visuelles au sein d’une même production plastique. Il s’agit d’analyser l’acte de création composé d’un agencement sensible de divers éléments auditifs et visuels réagissant de manière réciproque et provoquant une mutation de leur perception sensorielle, émotionnelle et sémantique. Un tour d’horizon de certains grands acteurs de l’histoire des pratiques sonores au XX° et XXI° siècle permettra d’aborder la question de l’

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Souza, Gabriela Valiengo de. "Potenciais evocados auditivos de longa latência em adultos pré e pós adaptação do AASI." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/5/5170/tde-27102017-085811/.

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Introdução: Plasticidade auditiva refere-se a mudanças que ocorrem no sistema sensorial responsável pela transmissão da informação acústica. A plasticidade do sistema nervoso auditivo central está relacionada a capacidade de adaptação através da reintrodução de estímulos por meio de aparelhos de amplificação sonora ou implante coclear. Essas mudanças são observadas a partir do desempenho de pacientes com o uso do aparelho de amplificação sonora, e podem ser verificadas por meio dos potenciais evocados auditivos de longa latência. Objetivo: caracterizar os Potenciais Evocados Auditivos de Longa

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Bol, Kieran G. "Redundant Input Cancellation by a Bursting Neural Network." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20061.

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One of the most powerful and important applications that the brain accomplishes is solving the sensory "cocktail party problem:" to adaptively suppress extraneous signals in an environment. Theoretical studies suggest that the solution to the problem involves an adaptive filter, which learns to remove the redundant noise. However, neural learning is also in its infancy and there are still many questions about the stability and application of synaptic learning rules for neural computation. In this thesis, the implementation of an adaptive filter in the brain of a weakly electric fish, A. Lepto

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Figueiredo, Sabrina Suellen Rolim. "Potencial Evocado Auditivo de Longa Latência em crianças usuárias de implante coclear." Pontifícia Universidade Católica de São Paulo, 2015. https://tede2.pucsp.br/handle/handle/12013.

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Made available in DSpace on 2016-04-27T18:12:08Z (GMT). No. of bitstreams: 1 Sabrina Suellen Rolim Figueiredo.pdf: 2435322 bytes, checksum: 78add1dbad501718c6c691e2e9c8845c (MD5) Previous issue date: 2015-03-10<br>The use of amplification and implantable devices is an alternative to minimize the effects of sensory deprivation, imposed by hearing loss. The effects of sensory deprivation in the central auditory system have been studied by recording the latencies of Long Latency Auditory Evoked Potential (LLAEP) as a cortical maturation indicator. The assessment of auditory cortical development

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Furucho, Mariana Antonia Aguiar. "Modelo neurocomputacional dos estágios iniciais da doença de Alzheimer." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/47/47135/tde-06022018-092738/.

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Há evidências convincentes de que o início da doença de Alzheimer é precedido por uma redução de estímulos sensoriais, como ocorre durante a aposentadoria, catarata, surdez e degeneração macular, em um cérebro idoso que apresenta deficiência de receptores tipo GABAA. Neste trabalho foi utilizado um modelo computacional fenomenológico do koniocortex, que é a primeira camada cortical que recebe estímulos sensoriais, adaptado para simular as fases iniciais da doença de Alzheimer. A arquitetura e as propriedades dos neurônios do modelo computacional do koniocortex se assemelham as do cérebro, send

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Collins, Thérèse. "Conséquences perceptives de la plasticité sensori-motrice du système visuel." Paris 5, 2007. http://www.theses.fr/2007PA05H047.

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La transformation d'une information visuelle en une commande motrice appropriée est essentielle pour la réalisation d'une action précise et adaptée sur les objets de l'environnement. Dans le système visuel, il s'agit de transformer les coordonnées sensorielles d'un objet visuel en coordonnées motrices susceptibles de'diriger un mouvement oculaire vers cet objet. La transformation sensori-motrice est sujette à la plasticité : il est possible de dissocier les coordonnées motrices de la saccade oculaire des coordonnées visuelles de la cible grâce au phénomène d'adaptation saccadique. Dans un prem

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Duffau, Hugues. "Plasticite corticale sensori-motrice a court terme chez l'homme etude par stimulation electrique per-operatoire." Paris 6, 2000. http://www.theses.fr/2000PA066563.

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La plasticite cerebrale (reorganisation neurono-synaptique continue optimisant le fonctionnement des reseaux) a pu etre objectivee in vivo, initialement chez l'animal (plasticites naturelle et post-lesionnelle) et plus recemment chez l'homme grace aux methodes d'imagerie neurofonctionnelle et de stimulations transcraniennes (plasticites naturelle a court et long terme, et post-lesionnelle a long terme seule). Dans notre travail, nous avons utilise la technique des stimulations electriques directes per-operatoires afin d'etudier chez l'homme les processus de plasticite corticale sensorimotrice

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Le, Ray Didier. "Modulations phasiques et plasticité à long terme d'un réseau sensori-moteur : étude dans le système nerveux locomoteur de l'écrevisse." Aix-Marseille 2, 1997. http://www.theses.fr/1997AIX22097.

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Une des grandes questions de la neurobiologie des mouvements est de comprendre comment au cours d'un mouvement le message sensoriel interagit avec la commande centrale afin de construire la commande motrice finale. Dans cette perspective, nous avons analyse au sein du reseau sensori-moteur implique dans le controle des mouvements d'une articulation d'une patte locomotrice chez l'ecrevisse, les mecanismes d'integration (et leur modulation) des informations proprioceptives dans le programme moteur produit par un generateur central. Nous avons tout d'abord realise une etude in vitro complete des

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Dinomais, Mickaël. "Etude du cortex sensori-moteur en imagerie par Résonance Magnétique Fonctionnelle : du sujet sain à l'enfant avec paralysie cérébrale." Angers, 2013. http://tel.archives-ouvertes.fr/tel-01021084.

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La paralysie cérébrale (PC) est définie comme un trouble du mouvement secondaire à une lésion cérébrale précoce non progressive. C'est la première cause de handicap moteur de l'enfant. La médecine physique et de réadaptation a donc un intérêt particulier à l'étude du contrôle centrale de la motricité (motricité-cérébrale) aussi bien en termes d'organisation que de réorganisation après lésion, et ce, afin de proposer de nouvelles méthodes de rééducation motrice. Après avoir montré, chez le sujet sain, que la motricité-cérébrale pouvait être étudiée, en imagerie par résonance magnétique fonction

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Bensmail, Boughediri Soraya. "Modélisation neuromimétique du contrôle sensori-moteur des mouvements du membre supérieur : cas du pointage et de la saisie." Versailles-St Quentin en Yvelines, 2005. http://www.theses.fr/2005VERS0032.

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Les avancés dans le domaine du contrôle moteur attirent les scientifiques de disciplines autres que la neurophysiologie. Les roboticiens adhèrent également à ces programmes pour élaborer de nouvelles lois de commandes neuromimétiques basées sur la simulation du SNC exécutant une action motrice. Un modèle de contrôle sensorimoteur est développé pour l'apprentissage des mouvements visuo-guidés. Nous avons réunis dans ce schéma de contrôle des hypothèses fondées sur des principes "computationnels" relatifs à l'organisation en colonnes du cortex cérébral et la théorie de Marr-Albus-Ito du cervelet

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Le, Bon-Jego Morgane. "Modifications à long terme du fonctionnement d'un réseau sensori-moteur : neuromodulation sérotoninergique et plasticité post-lésionnelle du réseau contrôlant l'articulation coxo-basale chez l'écrevisse." Bordeaux 1, 2003. http://www.theses.fr/2003BOR12740.

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Nous avons étudiés, sur une préparation in vitro du réseau neuronal contrôlant l'articulation coxobasale de la patte chez l'écrevisse, deux mécanismes modifiant le fonctionnement du réflexe de résistance. Ce réflexe est un élément clé du maintien postural chez l'animal. En utilisant une combinaison d'approches anatomique, électrophysiologique, pharmacologique et de simulation numérique, nous avons, dans un premier temps, précisé l'organisation des voies sensori-motrices impliquées dans ce réflexe. Puis, nous avons étudié les modifications fonctionnelles de ce réseau dans deux contextes : 1)Nou

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Zhao, Cong Jian [Verfasser]. "Expression and Regulation of the Neuronal Calcium Sensor Protein VILIP-1 and Effect on the α4β2 nAChR in Rat Hippocampal Neurons and Cell lines: Implications for Synaptic Plasticity / CongJian Zhao". Berlin : Freie Universität Berlin, 2008. http://d-nb.info/1022646818/34.

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Santos, Gabriela Lopes dos. "Senso de posição articular está bilateralmente reduzido para abdução e flexão do ombro em indivíduos hemiparéticos crônicos." Universidade Federal de São Carlos, 2014. https://repositorio.ufscar.br/handle/ufscar/5323.

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Made available in DSpace on 2016-06-02T20:19:22Z (GMT). No. of bitstreams: 1 5748.pdf: 1975827 bytes, checksum: e6ad26dbbd3bf2dd7360047fe5b4b42b (MD5) Previous issue date: 2014-02-19<br>Financiadora de Estudos e Projetos<br>Background: The stroke is the leading cause of adult disability in the world. One of the main complaints of individuals post-stroke refers to the loss of function of the upper limb, as evidenced during the performance of activities of daily living. This difficulty may be related to an important component of sensorimotor control, joint position sense, a submodality of prop

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Dinomais, Mickael. "Etude du cortex sensori-moteur en Imagerie par Résonance Magnétique Fonctionnelle : du sujet sain à l'enfant avec paralysie cérébrale." Phd thesis, Université d'Angers, 2013. http://tel.archives-ouvertes.fr/tel-01021084.

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La paralysie cérébrale (PC) est définie comme un trouble du mouvement secondaire à une lésion cérébrale précoce non progressive. C'est la première cause de handicap moteur de l'enfant. La médecine physique et de réadaptation a donc un intérêt particulier à l'étude du contrôle centrale de la motricité (motricité-cérébrale) aussi bien en termes d'organisation que de réorganisation après lésion, et ce, afin de proposer de nouvelles méthodes de rééducation motrice. Après avoir montré, chez le sujet sain, que la motricité-cérébrale pouvait être étudiée, en imagerie par résonance magnétique fonction

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Sarout, Bruna Nunes Marsiglio. "Behavioural circadian rhythms : a novel approach to monitor sheep in extensive systems and study the differences between beef steers for methane emission, feed efficiency and growth." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/164375.

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As tecnologias baseadas em sensores estão cada vez mais disponíveis e podem ser usadas para coletar informações detalhadas sobre o comportamento animal. Com esta informação é possível avaliar o ritmo circadiano de variáveis comportamentais e monitorar sua resposta. A identificação de variações na resposta deste ritmo tem o potencial de detectar problemas de saúde e questões de bem-estar animal. O objetivo deste trabalho foi estudar os ritmos circadianos comportamentais como uma nova abordagem para monitorar ovelhas em sistemas extensivos e estudar a emissão de metano, eficiência alimentar e cr

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