Vol. 56 No. 1 (1996), Articles
Vol. 56 No. 1 (1996)

Analysis of complexity of EEG during sleep

Articles
Published 1996-03-31
Waldemar Szelenberger
Department of Psychiatry, Warsaw Medical Academy, 27 Nowowiejska St., 00-665 Warsaw, Poland;
Jiří Wackermann
Neuroscience Technology Research s.r.o., 26 Žitná St., 120 00 Prague, Czech Republic
Michał Skalski
Department of Psychiatry, Warsaw Medical Academy, 27 Nowowiejska St., 00-665 Warsaw, Poland;
Szymon Niemcewicz
Department of Psychiatry, Warsaw Medical Academy, 27 Nowowiejska St., 00-665 Warsaw, Poland;
Jacek Drojewski
Department of Psychiatry, Warsaw Medical Academy, 27 Nowowiejska St., 00-665 Warsaw, Poland;
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Abstract

New multichannel descriptors of EEG activity: complexity (omega), total power (zeta) and generalized frequency (phi) were applied to whole night sleep analysis in 11 healthy subjects. The values of omega and phi decreased systematically from waking to slow wave sleep, and increased systematically in consecutive NREM-REM sleep cycles. The changes of zeta were opposite to omega and phi. These descriptors may be an alternative approach to the EEG sleep analysis.
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This work is licensed under a Creative Commons Attribution 4.0 International License.

Copyright (c) 1996 Acta Neurobiologiae Experimentalis

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