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Sleep enhances knowledge of routes and regions in spatial environments

Learn Mem. 2017 Feb 15;24(3):140-144. doi: 10.1101/lm.043984.116. Print 2017 Mar.

Abstract

Sleep is thought to preferentially consolidate hippocampus-dependent memory, and as such, spatial navigation. Here, we investigated the effects of sleep on route knowledge and explicit and implicit semantic regions in a virtual environment. Sleep, compared with wakefulness, improved route knowledge and also enhanced awareness of the semantic regionalization within the environment, whereas signs of implicit regionalization remained unchanged. Results support the view that sleep specifically enhances explicit aspects of memory, also in the spatial domain. Enhanced region knowledge after sleep suggests that consolidation during sleep goes along with the formation of more abstract schema-like representations.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Adult
  • Environment*
  • Female
  • Humans
  • Knowledge*
  • Male
  • Memory / physiology*
  • Neuropsychological Tests
  • Psychomotor Performance
  • Reaction Time
  • Sleep / physiology*
  • Spatial Navigation / physiology*
  • User-Computer Interface
  • Wakefulness
  • Young Adult