ISSN 0869-6632 (Print)
ISSN 2542-1905 (Online)

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Sysoev I. V., Karavaev A. S., Nakonechnyj P. I. Role of model nonlinearity for granger causality based coupling estimation for pathological tremor. Izvestiya VUZ. Applied Nonlinear Dynamics, 2010, vol. 18, iss. 4, pp. 81-90. DOI: 10.18500/0869-6632-2010-18-4-81-90

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Language: 
Russian
Heading: 
Applied Problems of Nonlinear Oscillation and Wave Theory
Article type: 
Article
UDC: 
530.182, 57.087.1
DOI: 
10.18500/0869-6632-2010-18-4-81-90

Role of model nonlinearity for granger causality based coupling estimation for pathological tremor

Autors: 
Sysoev Ilya Vyacheslavovich, Saratov State University
Karavaev Anatolij Sergeevich, Saratov State University
Nakonechnyj Pavel Igorevich, Saratov State University
Abstract: 

Estimating coupling between systems of different nature is an urgent field of nonlinear dynamics method application. This work aims to compare classical linear Granger approach and its nonlinear analogues based on analysis of ethalon dynamical systems and neurophysiological data. The results achieved show nonlinear approach to be more sensitive, and so it is able to detect significant coupling, when linear one fails.

Key words: 
coupling analysis
nonlinear Granger causality
processing EEGs
dynamic modeling
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Received: 
16.07.2010
Accepted: 
21.09.2010
Published: 
29.10.2010
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