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Psychophysiology. 2008 Mar;45(2):309-17. Epub 2007 Nov 7.

The effect of a REM sleep deprivation procedure on different aspects of memory function in humans.

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Department of Biomedicine, Section of Physiology, University of Bergen, Bergen, Norway.


Previous studies have suggested that memory is dependent on the occurrence of REM sleep. Research has mainly focused on two distinct types of memory function, declarative and procedural, and it seems that the latter may more directly depend on REM sleep. Memory consolidation has been more investigated than acquisition, maintenance, and recall, despite the fact that sleep may affect flow of information into/from storage. Moreover, tests have often been limited to stimuli within only one modality (usually visual or verbal). This study aimed to clarify the role of REM sleep in memory by investigating aspects of memory function, processing, and modality in the same experimental setting. Tests of acquisition and consolidation of multiple aspects of memory function within the visual and verbal modalities were administrated to subjects before and after REM sleep deprivation. Results show that test performance was not affected by REM sleep deprivation.

[Indexed for MEDLINE]

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