期刊
HUMAN BRAIN MAPPING
卷 28, 期 9, 页码 904-913出版社
WILEY
DOI: 10.1002/hbm.20316
关键词
EEG; alpha activity; resting state; phase pattern; spontaneous dynamics; chaotic itinerancy
Phase patterns of human scalp alpha EEG activity show spontaneous transitions between different globally phase-synchronized states. We studied the dynamical properties of these transitions using the method of symbolic dynamics. We found greater predictability (deterministicity) and heterogeneity in the dynamics than what was expected from corresponding surrogate series in which linear correlations are retained. A possible explanation of these observations within the framework of chaotic itinerancy is discussed. (c) 2007 Wiley-Liss, Inc.
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