Author:
Smith Carlyle T.,Nixon Margaret R.,Nader Rebecca S.
Abstract
Posttraining rapid eye movement (REM) sleep has been reported to be
important for efficient memory consolidation. The present results demonstrate
increases in the intensity of REM sleep during the night of sleep following
cognitive procedural/implicit task acquisition. These REM increases manifest
as increases in total number of rapid eye movements (REMs) and REM densities,
whereas the actual time spent in REM sleep did not change. Further, the
participants with the higher intelligence (IQ) scores showed superior task
acquisition scores as well as larger posttraining increases in number of REMs
and REM density. No other sleep state changes were observed. None of the
pretraining baseline measures of REM sleep were correlated with either
measured IQ or task performance. Posttraining increases in REM sleep intensity
implicate REM sleep mechanisms in further off-line memory processing, and
provide a biological marker of learning potential.
Publisher
Cold Spring Harbor Laboratory
Subject
Cellular and Molecular Neuroscience,Cognitive Neuroscience,Neuropsychology and Physiological Psychology
Cited by
128 articles.
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