Subthreshold electrodermal stimulation with frequency 1 Hz delivered during nap shortens latency of rapid eye movement sleepстатья
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Дата последнего поиска статьи во внешних источниках: 30 августа 2018 г.
Аннотация:The aim of the present study was to examine the effects of subthreshold electric stimulation of ner- vus medianus with frequency 1 Hz (the frequency of the slow wave activity EEG during sleep) on nap sleep quality. It was predicted that such slow oscillatory stimulation applied during slow wave sleep (SWS) would increase the depth and duration of the SWS and improve the sleep related memory consolidation. The results of our study indicates that the stimulation has no effect on either the duration of the SWS or averaged power of slow wave activity during SWS. Some increase in slow wave activity power was found only directly during the 30-second series of stimulation compared with 30 second pauses in between. However, this stimulation delivered during SWS, facilitate onset of rapid eye movement (REM) sleep phase: in experiments with stimulation REM latency was significantly shorter than in the control experiments. Slow oscillatory stimulation failed to show a beneficial effect on either declarative or procedural memory consolidation.