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Roth, C; Achermann, P; Borbely, A A (1999). Frequency and state specific hemispheric asymmetries in the human sleep EEG. Neuroscience Letters, 271(3):139-142.

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Regional differences in the sleep EEG along the antero-posterior axis have been recently described. To test for state related, hemispheric differences, sleep records from homologous fronto-central, centro-parietal and parieto-occipital derivations were obtained from 14 young right-handed males. Within the frequency range of sleep spindles (11-15 Hz) power in non-REM sleep dominated in the left hemisphere in all derivations. In the centro-parietal 4-8 Hz band a right-hemispheric predominance prevailed in non-REM sleep and a left-hemispheric predominance in REM sleep. Since the frequency bands exhibiting hemispheric asymmetries are those in which large antero-posterior power gradients had been observed, the left-right differences may arise from structural and functional asymmetries of brain regions involved in the generation of the sleep EEG.


27 citations in Web of Science®
31 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > Institute of Pharmacology and Toxicology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:27 August 1999
Deposited On:11 Feb 2008 12:19
Last Modified:05 Apr 2016 12:16
Publisher DOI:10.1016/S0304-3940(99)00048-8
PubMed ID:10507688

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