Sleep benefits subsequent hippocampal functioning

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 activat...

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Published inNature neuroscience Vol. 12; no. 2; pp. 122 - 123
Main Authors Van Der Werf, Ysbrand D, Schoonheim, Menno M, Van Someren, Eus J W, Vis, José C, De Rijke, Wim, Sanz-Arigita, Ernesto J, Altena, Ellemarije
Format Journal Article
LanguageEnglish
Published New York Nature Publishing Group US 01.02.2009
Nature Publishing Group
Subjects
Aged
Aging - physiology
Animal Genetics and Genomics
Behavioral Sciences
Biological Techniques
Biomedical and Life Sciences
Biomedicine
brief-communication
Cognitive science
Complications and side effects
Electroencephalography
Female
Hippocampus - physiology
Humans
Male
Memory, Disorders of
Mental Recall - physiology
Middle Aged
Neurobiology
Neuropsychological Tests
Neurosciences
Parahippocampal region
Physiological aspects
Risk factors
Sleep deprivation
Sleep Stages - physiology
Sleep Wake Disorders - physiopathology
Netherlands
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Summary: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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1097-6256
1546-1726
DOI:10.1038/nn.2253