Effects of sleep deprivation on event-related fields and alpha activity during rhythmic force production

T.W. Boonstra, A. Daffertshofer, P.J. Beek

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The influence of sleep deprivation (SD) on event-related fields and the distribution of power over the scalp of MEG imaged brain activity was studied during acoustically paced rhythmic force production. At the behavioral level, SD resulted in a reduction of the lag (negative asynchrony) between produced forces and acoustic stimuli at higher movement tempos. Principal component analysis of the accompanying MEG activity showed that auditory- and motor-evoked fields were attenuated after SD and revealed an anterior shift of power towards more frontal channels. These results were interpreted in terms of a change of central processing of afferent sensory input due to SD. © 2005 Elsevier Ireland Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)27-32
    JournalNeuroscience Letters
    Volume388
    DOIs
    Publication statusPublished - 2005

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