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Developing Brain Computer Interface for Imagined Movements
Blašková, Barbora ; Jawed, Soyiba (referee) ; Malik, Aamir Saeed (advisor)
Rôzne poruchy a choroby mozgu postihujú približne každého šiesteho človeka a veľa z nich necháva na pacientoch trvalé následky. Téma mentálneho zdravia je čoraz viac dôležitá, keďže každý desiaty človek má diagnostikovanú mentálnu poruchu. Je preto dôležité študovať orgán, ktorý je stále z veľkej čati záhadou - mozog. Diplomová práca sa zameriava na Brain Computer Interface (BCI) - rozhranie, ktoré ponúka priame komunikačné spojenie medzi mozgom a vonkajším svetom. Základná myšlienka BCI je veľmi jednoduchá - najprv získať signál z mozgu, dekódovať ho a vykonať akciu vychádzajúcu zo zámeru užívateľa. Jedna z metód ako pomocou mozgu priamo komunikovať sú predstavované pohyby, čo je metóda založená na fakte, že predstava pohybu vyvoláva v mozgu rovnakú odozvu ako skutočný pohyb. V diplomovej práci je navrhnuté použiť EEG a jeho relatívne novú metódu analýzy - mikrostavy. Klasifikátor na rozlišovanie medzi úlohami predstavovaných pohybov je navrhnutý ako kombinácia vlastností mikrostavov extrahovaných z rôznych oblastí mozgu s už známymi vlastnosťami, ako napríklad frekvenčné alebo časové vlastnosti signálu. Klasifikátory boli natrénované na 30 účastníkoch, pre každého zvlášť.Boli implementované dva odlišné klasifikátory - jeden na klasifikáciu nečinnosti oproti aktivite a druhý na klasifikáciu predstavy pohybu ľavej ruky verzus pravej ruky. Priemerná presnosť klasifikácie nečinnosti a aktivity bola 0.85. Priemerná presnosť klasifikácie predstavy pohybu ľavej a pravej ruky bola 0.74. Ukázalo sa, že mikrostavy sú užitočné pri rozlišovaní medzi rôznymi stavmi v kontexte predstavovaných pohybov a BCI, ale potrebujú určité vylepšenia z hľadiska ďalšieho výskumu.
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Modern Technologies in Medicine and Law
Konečná, Klaudie ; Zvára, Michael (referee)
Modern Technologies in Medicine and Law Abstract This thesis deals with the application of modern technologies in medicine from the perspective of law. The primary aim of this work is to analyse the given provisions of the Civil Code, Act on Health Services and Act on Medical Devices, and also to determine whether the current legislation represents a suitable legal framework able to respond to the implementation of modern technology in the healthcare sector. In connection with this analysis, author presents possibilities of legislative changes that would respond to these modern technologies. The work inter alia deals with the question of whether the use of some of these technologies within the provision of healthcare services can be considered compliant with the principle of lege artis. In the first chapter, the reader is introduced to the topic of the thesis. This chapter defines the basic terms and presents an overview of the legislation related to the chosen topic. The second chapter represents a main part of the thesis, where author deals with the topic of artificial intelligence. In this chapter, the reader is acquainted with the term of artificial intelligence and the definition of its legal status. Subsequently, author evaluates whether the current legislation constitutes appropriate legal frameworks...
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Modern Technologies in Medicine and Law
Konečná, Klaudie ; Šustek, Petr (advisor) ; Salač, Josef (referee)
Modern Technologies in Medicine and Law Abstract This thesis deals with the application of modern technologies in medicine from the perspective of law. The primary aim of this work is to analyse the given provisions of the Civil Code, Act on Health Services and Act on Medical Devices, and also to determine whether the current legislation represents a suitable legal framework able to respond to the implementation of modern technology in the healthcare sector. In connection with this analysis, author presents possibilities of legislative changes that would respond to these modern technologies. The work inter alia deals with the question of whether the use of some of these technologies within the provision of healthcare services can be considered compliant with the principle of lege artis. In the first chapter, the reader is introduced to the topic of the thesis. This chapter defines the basic terms and presents an overview of the legislation related to the chosen topic. The second chapter represents a main part of the thesis, where author deals with the topic of artificial intelligence. In this chapter, the reader is acquainted with the term of artificial intelligence and the definition of its legal status. Subsequently, author evaluates whether the current legislation constitutes appropriate legal frameworks...
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Source localization for EEG patterns relevant to motor imagery BCI control
Bobrov, P. ; Frolov, A. ; Húsek, Dušan ; Tintěra, J.
This work concerns spatial localization of sources of EEG patterns the most specific for control of the motor imagery based BCI. In our previous work we have shown that performance of Bayesian BCI classifier can be drastically improved by extraction of the most relevant independent components of the EEG signal. This paper presents the results of spatial localization of electrical brain activity sources which activity is reflected by the extracted components. The localization was performed by solving the inverse problem in EEG source localization, using individual finite-element head models. The sources were located in central sulcus (Brodmann area 3a), in the superior regions of post- and precentral gyri, and supplementary motor cortex.
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Classification Methods for Brain-Computer Interface
Bobrov, P. ; Frolov, A. A. ; Húsek, Dušan
The performance of four classifiers for Brain Computer Interface (BCI) systems based on multichannel EEG recordings is tested in this work. The classifiers are designed to distinguish EEG patterns corresponding to performance of several mental tasks. It is shown that relatively simple classifiers based on the Bayesian approach are comparable in classification accuracy with more sophisticated classifiers based on Common Spatial Patterns and Common Tensor Discriminant Analysis
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Unearthing imprisoned potential for paralyzed patients, using technical means theEpoc Headset allowing control computer by mind
ŠRAM, Vlastimil
The aim is to explore the possibility of EPOC headset - the equipment used to control computer by the human mind and its use in practice. In collaboration with the Rehabilitation Institute at the Kladruby identify suitable patients and methods to use this device. Students will then design and address tuples (patient disability, hardware options, choice of software, design methods use collaboration with the patient). These tuples including practical experience describe in the methodical guide. Benefits for patients due to spinal cord injuries or diseases of the nervous system control over their bodies would be to help at least a partial return to normal life or the possibility of extending the use of their "imprisoned potential?. For work is required knowledge of information technologies, the ability to absorb new issues, empathy, patience and sensitivity to patients, traveling to Kladruby.
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