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Psychol Sci. 2012 Sep 1;23(9):955-60. doi: 10.1177/0956797612441220. Epub 2012 Jul 24.

Brief wakeful resting boosts new memories over the long term.

Author information

1
Human Cognitive Neuroscience, Department of Psychology, University of Edinburgh, Scotland. m.dewar@ed.ac.uk

Abstract

A brief wakeful rest after new verbal learning enhances memory for several minutes. In the research reported here, we explored the possibility of extending this rest-induced memory enhancement over much longer periods. Participants were presented with two stories; one story was followed by a 10-min period of wakeful resting, and the other was followed by a 10-min period during which participants played a spot-the-difference game. In Experiment 1, wakeful resting led to significant enhancement of memory after a 15- to 30-min period and also after 7 days. In experiment 2, this striking enhancement of memory 7 days after learning was demonstrated even when no retrievals were imposed in the interim. The degree to which people can remember prose after 7 days is significantly affected by the cognitive activity that they engage in shortly after new learning takes place. We propose that wakeful resting after new learning allows new memory traces to be consolidated better and hence to be retained for much longer.

PMID:
22829465
DOI:
10.1177/0956797612441220
[Indexed for MEDLINE]

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