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Nat Neurosci. 2009 Feb;12(2):122-3. doi: 10.1038/nn.2253. Epub 2009 Jan 18.

Sleep benefits subsequent hippocampal functioning.

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1
Department of Sleep and Cognition, Netherlands Institute for Neuroscience, institute of Royal Netherlands Academy of Arts and Sciences, Meibergdreef 47, 1105BA Amsterdam, The Netherlands. y.van.der.werf@nin.knaw.nl

Abstract

Sleep before learning benefits memory encoding through unknown mechanisms. We found that even a mild sleep disruption that suppressed slow-wave activity and induced shallow sleep, but did not reduce total sleep time, was sufficient to affect subsequent successful encoding-related hippocampal activation and memory performance in healthy human subjects. Implicit learning was not affected. Our results suggest that the hippocampus is particularly sensitive to shallow, but intact, sleep.

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PMID:
19151712
DOI:
10.1038/nn.2253
[Indexed for MEDLINE]

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