Abstract:
:EEG power spectra exhibit site-specific and state-related differences in specific frequency bands. In the present study we investigated the effect of total sleep deprivation on sleep EEG topography. Eight healthy, young, right-handed subjects were recorded during baseline sleep and recovery sleep after sleep deprivation. Forty hours of sleep deprivation affected power spectra in all derivations. However, hemispheric asymmetries were observed in the delta range. Sleep deprivation enhanced the anterior predominance of delta activity in the left hemisphere but not in the right one. This effect may reflect a functional asymmetry between the dominant and non-dominant hemisphere. The results provide further evidence for the presence of both global and local aspects of sleep regulation.
journal_name
Brain Resjournal_title
Brain researchauthors
Achermann P,Finelli LA,Borbély AAdoi
10.1016/s0006-8993(01)02796-2subject
Has Abstractpub_date
2001-09-21 00:00:00pages
220-3issue
2eissn
0006-8993issn
1872-6240pii
S0006-8993(01)02796-2journal_volume
913pub_type
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