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Phys Rev Lett. 2007 Mar 30;98(13):138103. Epub 2007 Mar 28.

Stochastic qualifiers of epileptic brain dynamics.

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1
Department of Epileptology, Neurophysics Group, University of Bonn, Sigmund-Freud-Strasse 25, D-53105 Bonn, Germany. jprusseit@gmx.de

Abstract

We evaluate the capability of reconstructing Fokker-Planck equations for an improved characterization of electroencephalographic (EEG) recordings from epilepsy patients. We derive stochastic qualifiers of brain dynamics that are based on specific characteristics of the Kramers-Moyal coefficients estimated from the EEG. Analyzing long-lasting multichannel EEG recordings from eight patients suffering from focal epilepsies we show that particularly the stochastic part of the dynamics can yield valuable information for diagnostic purposes.

PMID:
17501243
DOI:
10.1103/PhysRevLett.98.138103
[Indexed for MEDLINE]
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