Effects of daytime sleep on the consolidation of declarative memory in humans

被引:0
作者
Yu. V. Ukraintseva
V. B. Dorokhov
机构
[1] Institute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow
关键词
Daytime sleep; Declarative memory; Functional state; Learning; Non-REM sleep;
D O I
10.1007/s11055-012-9621-z
中图分类号
学科分类号
摘要
The effects of daytime sleep consisting exclusively of non-REM (NREM) sleep on the consolidation of declarative memory and overall functional status were studied in humans. In addition, the effects of daytime sleep on memory were studied in relation to the level of fixation of assimilated information. At the beginning of each experiment, the subject was given a declarative memory task: to remember 60 semantically unrelated pairs of words, 30 of which were memorized once and 30 twice; at the end of the experiment, the level of memory fixation was assessed. Each subject took part in two experiments: a test protocol, in which training was followed by sleep, and a control protocol, in which a video was watched instead of sleeping. The results showed that daytime sleep facilitated the reproduction of declarative memory, with improvements in the remembering of the 30 pairs of words memorized once but not in remembering the 30 pairs of words memorized twice. The dynamics of a simple sensorimotor reaction and subjective assessments of wellbeing, activity, and mood with and without sleep were similar, and there were no significant differences between the two types of experiment. © 2012 Springer Science+Business Media, Inc.
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页码:700 / 706
页数:6
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