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

Sysoev Ilya V., Saratov State University
Karavaev Anatolij Sergeevich, Saratov State University
Nakonechnyj Pavel Igorevich, Saratov State University

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.

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