Analyse De La Dynamique Neuronale Pour Les Interfaces Cerveau Machines
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Analyse De La Dynamique Neuronale Pour Les Interfaces Cerveau Machines
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Author : Michel Besserve
language : en
Publisher:
Release Date : 2007
Analyse De La Dynamique Neuronale Pour Les Interfaces Cerveau Machines written by Michel Besserve and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Brain-Machine Interfaces are aimed at providing a new communication channel to link the human brain to external world without using the usual nervous and muscular pathways. The achievement of such devices is at the conjunction of signal processing, machine learning and neurophysiology. In this thesis, we achieved and studied a non invasive Brain Machine Interface. This system is asynchronous: the user communicates trough self-paced imagined motor or cognitive tasks which are not triggered by an external stimulation system. It is based on the real time analysis of electroencephalographic recordings from scalp electrodes in a human subject. From a methodological point of view, several preprocessing of these signals have been implemented and their impacts on the efficiency of communication have been compared. These methods include: 1) direct processing of the signal from EEG sensors, 2) blind source separation algorithms, 3) reconstruction of cortical sources activities with inverse problem solving. Moreover, several measures are exploited and compared to quantify cerebral activity: spectral power, coherence and phase synchrony. Our results show that a using a previous source reconstruction of cortical activity through inverse problem and computing long distance interaction measures improve the performance of the device.
Interface Cerveau Ordinateur
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Author : Fouad Sabry
language : fr
Publisher: One Billion Knowledgeable
Release Date : 2022-08-03
Interface Cerveau Ordinateur written by Fouad Sabry and has been published by One Billion Knowledgeable this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-03 with Technology & Engineering categories.
Qu'est-ce que l'interface cerveau-ordinateur Une interface cerveau-ordinateur (BCI), souvent appelée interface cerveau-machine (BMI), est une communication directe lien entre l'activité électrique du cerveau et un appareil externe, le plus souvent un ordinateur ou un membre robotique. Les BCI sont souvent utilisés à des fins d'exploration, de cartographie, d'aide, d'amélioration ou de guérison des capacités cognitives ou sensori-motrices humaines. Selon la distance entre les électrodes et le tissu cérébral, les BCI peuvent être mises en œuvre de différentes manières, allant de non invasive à quelque peu invasive à invasive. Comment vous en bénéficierez (I) Insights et validations sur les sujets suivants : Chapitre 1 : Cerveau ? Interface ordinateur Chapitre 2 : Neurotechnologie Chapitre 3 : BrainGate Chapitre 4 : Miguel Nicolelis Chapitre 5 : Implant cérébral Chapitre 6 : Neuroprothèses Chapitre 7 : Animal télécommandé Chapitre 8 : Ingénierie neuronale Chapitre 9 : Oscillation neuronale Chapitre 10 : Enregistrement unitaire Chapitre 11 : Électrocorticographie Chapitre 12 : Onde Mu Chapitre 13 : Réseau de microélectrodes Chapitre 14 : Électroencéphalographie Chapitre 15 : Électrode neurotrophique Chapitre 16 : Discours imaginaire Chapitre 17 : Intendix Chapitre 18 : Réseau d'enregistrement stent-électrode Chapitre 19 : Implant cortical Chapitre 20 : Cognition et Neuroergo nomics (CaN) Collaborative Technology Alliance Chapitre 21 : La poussière neurale (II) Répondre aux principales questions du public sur l'interface cerveau-ordinateur. (III) Réel exemples mondiaux d'utilisation de l'interface cerveau-ordinateur dans de nombreux domaines. (IV) 17 annexes pour expliquer brièvement 266 technologies émergentes dans chaque industrie afin d'avoir une compréhension complète à 360 degrés des technologies d'interface cerveau-ordinateur. À qui s'adresse ce livre Professionnels, étudiants de premier cycle et des cycles supérieurs, passionnés, amateurs et ceux qui veulent aller au-delà des connaissances ou des informations de base pour tout une sorte d'interface cerveau-ordinateur.
Vers Une Mod Lisation Dynamique De L Activit C R Brale Pour La Conception D Interfaces Cerveau Machines Asynchrones
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Author : Cédric Gouy-Pailler
language : fr
Publisher:
Release Date : 2009
Vers Une Mod Lisation Dynamique De L Activit C R Brale Pour La Conception D Interfaces Cerveau Machines Asynchrones written by Cédric Gouy-Pailler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Les Interfaces Cerveau-Machines (ICMs) visent à établir un moyen de communication direct entre le cerveau humain et un système électronique. Si d'importantes avancées ont d'ores et déjà été réalisées depuis une vingtaine d'années dans le domaine, les systèmes existants s'avèrent lents et fastidieux, imposant aux utilisateurs le moment auquel ils doivent envoyer leur commande (systèmes synchrones). Nos travaux se sont concentrés sur le développement de systèmes asynchrones basés sur l'électroencéphalographie (EEG) : ce n'est pas l'ordinateur qui impose le moment de réalisation de la tâche mentale mais le sujet qui a la possibilité d'envoyer sa commande lorsque qu'il le désire. Ceci impose que le système soit capable d'analyser en temps réel l'activité cérébrale du sujet et de reconnaître la tâche mentale recherchée parmi les activités cérébrales mesurées. Nos travaux proposent des méthodes pour les problématiques suivantes : 1. permettre à l'utilisateur d'envoyer sa commande lorsqu'il le désire ; 2. augmenter les capacités du système à reconnaître correctement une tâche mentale ; 3. rendre le système robuste à certains changements qui peuvent s'opérer lors de l'utilisation du système, i.e., adapter le système aux possibles changements du sujet dans la manière dont celui-ci accomplit sa tâche mentale. Les méthodes proposées utilisent de manière conjointe les caractéristiques spatiales (zones cérébrales impliquées), fréquentielles (bandes de fréquences) et temporelles (succession des activations) des tâches mentales afin de pallier le faible rapport signal sur interférences. Différents jeux de données sont utilisés afin de valider ces approches.
Neuroprosthetics Theory And Practice Second Edition
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Author : Horch Kenneth W
language : en
Publisher: World Scientific
Release Date : 2017-03-10
Neuroprosthetics Theory And Practice Second Edition written by Horch Kenneth W and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-10 with Technology & Engineering categories.
This is an updated and abridged edition of the original volume published in 2004. Like its predecessor it is targeted for students of bioengineering, biomedical engineering, applied physiology, biological cybernetics and related fields; for engineers and scientists who have an interest in neuroprosthetics; and for medical practitioners using products of that field. The practice of neuroprosthetics requires a fundamental understanding of the anatomy and physiology of the nervous system, mathematical neurobiology, material science, electrochemistry, and electrophysiology. The text assumes some familiarity with basic anatomy, physiology, calculus, electrophysiology and bioinstrumentation, which typically are covered in undergraduate and first year graduate bioengineering curricula. These areas are also reviewed here, with the aim of consolidating principles fundamental to understanding the field. With that as background, the book then presents an overview of the field with detailed emphasis in selected areas of neural interfaces and neuroprostheses. The covered topics provide readers with sufficient information to understand the theory, rationale, design, and functioning of neuroprosthetic devices currently in clinical use and under development. The current volume is shorter than its predecessor. This has been achieved by reducing some of the repetition present in certain chapters of the earlier edition and eliminating a few chapters whose topics are now well covered in review literature readily available on the internet and elsewhere. Two chapters have been retained in their original versions to provide important background material, but the remaining chapters have either been revised by their original authors or replaced by new versions written by different authors. In addition new topics have been added to the section on existing systems.
Local Cortical Circuits
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Author : Moshe Abeles
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Local Cortical Circuits written by Moshe Abeles and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.
Neurophysiologists are often accused by colleagues in the physical sci ences of designing experiments without any underlying hypothesis. This impression is attributable to the ease of getting lost in the ever-increasing sea of professional publications which do not state explicitly the ultimate goal of the research. On the other hand, many of the explicit models for brain function in the past were so far removed from experimental reality that they had very little impact on further research. It seems that one needs much intimate experience with the real nerv-. ous system before a reasonable model can be suggested. It would have been impossible for Copernicus to suggest his model of the solar system without the detailed observations and tabulations of star and planet motion accu mulated by the preceeding generations. This need for intimate experience with the nervous system before daring to put forward some hypothesis about its mechanism of action is especially apparent when theorizing about cerebral cortex function. There is widespread agreement that processing of information in the cor tex is associated with complex spatio-temporal patterns of activity. Yet the vast majority of experimental work is based on single neuron recordings or on recordings made with gross electrodes to which tens of thousands of neurons contribute in an unknown fashion. Although these experiments have taught us a great deal about the organization and function of the cor tex, they have not enabled us to examine the spatio-temporal organization of neuronal activity in any detail.
Man Machine Dialogue
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Author : Frederic Landragin
language : en
Publisher: John Wiley & Sons
Release Date : 2013-07-01
Man Machine Dialogue written by Frederic Landragin and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-01 with Technology & Engineering categories.
This book summarizes the main problems posed by the design of a man–machine dialogue system and offers ideas on how to continue along the path towards efficient, realistic and fluid communication between humans and machines. A culmination of ten years of research, it is based on the author's development, investigation and experimentation covering a multitude of fields, including artificial intelligence, automated language processing, man–machine interfaces and notably multimodal or multimedia interfaces.
Dictionary Of Cognitive Science
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Author : Olivier Houdé
language : en
Publisher: Routledge
Release Date : 2004-03
Dictionary Of Cognitive Science written by Olivier Houdé and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03 with Medical categories.
Presents comprehensive definitions in more than 120 subjects. Topics range from 'Abduction' to 'Writing' within the domains of psychology, artificial intelligence, neuroscience, philosophy, and linguistics.
Elements Of Neurogeometry
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Author : Jean Petitot
language : en
Publisher: Springer
Release Date : 2017-11-08
Elements Of Neurogeometry written by Jean Petitot and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-08 with Mathematics categories.
This book describes several mathematical models of the primary visual cortex, referring them to a vast ensemble of experimental data and putting forward an original geometrical model for its functional architecture, that is, the highly specific organization of its neural connections. The book spells out the geometrical algorithms implemented by this functional architecture, or put another way, the “neurogeometry” immanent in visual perception. Focusing on the neural origins of our spatial representations, it demonstrates three things: firstly, the way the visual neurons filter the optical signal is closely related to a wavelet analysis; secondly, the contact structure of the 1-jets of the curves in the plane (the retinal plane here) is implemented by the cortical functional architecture; and lastly, the visual algorithms for integrating contours from what may be rather incomplete sensory data can be modelled by the sub-Riemannian geometry associated with this contact structure. As such, it provides readers with the first systematic interpretation of a number of important neurophysiological observations in a well-defined mathematical framework. The book’s neuromathematical exploration appeals to graduate students and researchers in integrative-functional-cognitive neuroscience with a good mathematical background, as well as those in applied mathematics with an interest in neurophysiology.
Rep Re
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Author :
language : fr
Publisher:
Release Date : 2005
Rep Re written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with French periodicals categories.
Head First Design Patterns
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Author : Eric Freeman
language : en
Publisher: "O'Reilly Media, Inc."
Release Date : 2004-10-25
Head First Design Patterns written by Eric Freeman and has been published by "O'Reilly Media, Inc." this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-25 with Computers categories.
Using research in neurobiology, cognitive science and learning theory, this text loads patterns into your brain in a way that lets you put them to work immediately, makes you better at solving software design problems, and improves your ability to speak the language of patterns with others on your team.