Journal
NEUROBIOLOGY OF LEARNING AND MEMORY
Volume 140, Issue -, Pages 106-113Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.nlm.2017.02.005
Keywords
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Funding
- National Center of Competence in Research (NCCR) Affective Sciences - Swiss National Science Foundation [51NF40-104897]
- University of Geneva
- Swiss National Science Foundation [320030-159862]
- Swiss National Science Foundation (SNF) [320030_159862] Funding Source: Swiss National Science Foundation (SNF)
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Sleep has been shown to foster the process of insight generation in young adults during problem solving activities. Aging is characterized by substantial changes in sleep architecture altering memory consolidation. Whether sleep might promote the occurrence of insight in older adults as well has not yet been tested experimentally. To address this issue, we tested healthy young and old volunteers on an insight problem solving task, involving both explicit and implicit features, before and after a night of sleep or a comparable wakefulness period. Data showed that insight emerged significantly less frequently after a night of sleep in older adults compared to young. Moreover, there was no difference in the magnitude of insight occurrence following sleep and daytime-consolidation in aged participants. We further found that acquisition of implicit knowledge in the task before sleep potentiated the gain of insight in young participants, but this effect was not observed in aged participants. Overall, present findings demonstrate that a period of sleep does not significantly promote insight in problem solving in older adults. (C) 2017 Elsevier Inc. All rights reserved.
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