EEG coherence: topography and frequency structure

Exp Brain Res (2009) 198:59 83. DOI RESEARCH ARTICLE. EEG coherence : topography and frequency structure David Balin Chorlian Madhavi Rangaswamy . Bernice Porjesz Received: 6 August 2008 / Accepted: 29 June 2009 / Published online: 22 July 2009. Springer-Verlag 2009. Abstract Topographical patterns of bipolar EEG coher- Introduction ence are frequency specific, indicating the presence of diverse neuroanatomical and neurophysiological factors in Functional connectivity between different regions of the EEG production. Bipolar EEG coherence values were brain in the resting state has been a recent topic of interest calculated at 50 frequency bins ranging from 3 to 28 Hz for in neurophysiological research.

the topography and frequency structure of EEG coherence in the resting state. We distinguish three modes of char-acterizing topography. The primary topographic feature is the pattern of connectivity determined by the magnitude of the coherence values between different locations. In that case, topography is characterized in terms of the orienta-

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  Structure, Frequency, Coherence, Eeg coherence, Topography and frequency structure, Topography

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