作者
Peter Tass, MG Rosenblum, J Weule, Jürgen Kurths, A Pikovsky, J Volkmann, A Schnitzler, H-J Freund
发表日期
1998/10/12
期刊
Physical review letters
卷号
81
期号
15
页码范围
3291
出版商
American Physical Society
简介
We use the concept of phase synchronization for the analysis of noisy nonstationary bivariate data. Phase synchronization is understood in a statistical sense as an existence of preferred values of the phase difference, and two techniques are proposed for a reliable detection of synchronous epochs. These methods are applied to magnetoencephalograms and records of muscle activity of a Parkinsonian patient. We reveal that the temporal evolution of the peripheral tremor rhythms directly reflects the time course of the synchronization of abnormal activity between cortical motor areas.
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