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| Home > Publications Database > Rest boosts the long-term retention of spatial associative and temporal order information. |
| Home > Publications Database > Rest boosts the long-term retention of spatial associative and temporal order information. |
| Journal Article | DZNE-2020-04394 |
; ; ;
2015
Wiley
New York, NY [u.a.]
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Please use a persistent id in citations: doi:10.1002/hipo.22424
Abstract: People retain more new verbal episodic information for at least 7 days if they rest for a few minutes after learning than if they attend to new information. It is hypothesized that rest allows for superior consolidation of new memories. In rodents, rest periods promote hippocampal replay of a recently travelled route, and this replay is thought to be critical for memory consolidation and subsequent spatial navigation. If rest boosts human memory by promoting hippocampal replay/consolidation, then the beneficial effect of rest should extend to complex (hippocampal) memory tasks, for example, tasks probing associations and sequences. We investigated this question via a virtual reality route memory task. Healthy young participants learned two routes to a 100% criterion. One route was followed by a 10-min rest and the other by a 10-min spot the difference game. For each learned route, participants performed four delayed spatial memory tests probing: (i) associative (landmark-direction) memory, (ii) cognitive map formation, (iii) temporal (landmark) order memory, and (iv) route memory. Tests were repeated after 7 days to determine any long-term effects. No effect of rest was detected in the route memory or cognitive map tests, most likely due to ceiling and floor effects, respectively. Rest did, however, boost retention in the associative memory and temporal order memory tests, and this boost remained for at least 7 days. We therefore demonstrate that the benefit of rest extends to (spatial) associative and temporal order memory in humans. We hypothesise that rest allows superior consolidation/hippocampal replay of novel information pertaining to a recently learned route, thus boosting new memories over the long term.
Keyword(s): Adolescent (MeSH) ; Analysis of Variance (MeSH) ; Association Learning: physiology (MeSH) ; Female (MeSH) ; Humans (MeSH) ; Male (MeSH) ; Memory, Long-Term: physiology (MeSH) ; Mental Recall: physiology (MeSH) ; Neuropsychological Tests (MeSH) ; Recognition, Psychology (MeSH) ; Rest: physiology (MeSH) ; Spatial Behavior: physiology (MeSH) ; Time Factors (MeSH) ; User-Computer Interface (MeSH) ; Young Adult (MeSH)
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