Frontal predominance of a relative increase in sleep delta and theta EEG activity after sleep loss in humans.
作者： Christian Cajochen , Derk-Jan Dijk , Rebecca Foy
DOI:
关键词: Neuroscience 、 Audiology 、 Local sleep 、 Psychology 、 Electroencephalography 、 Cerebral cortex 、 Wakefulness 、 Delta Rhythm 、 Sleep in non-human animals 、 K-complex 、 Sleep deprivation
摘要: The effect of sleep deprivation (40 h) on topographic and temporal aspects electroencephalographic (EEG) activity during was investigated by all night spectral analysis in six young volunteers. sleep-deprivation-induced increase EEG power density the delta theta frequencies (1-7 Hz) nonREM sleep, assessed along antero-posterior axis (midline: Fz, Cz, Pz, Oz), significantly larger more frontal derivations (Fz, Cz) than parietal (Pz, Oz). This frequency-specific predominance already present first 30 min recovery dissipated course 8-h episode. data demonstrate that enhancement slow wave following extended wakefulness is most pronounced cortical areas.
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