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Is sleep-dependent memory consolidation of a visuo-motor task related to dream content?

Schredl, Michael and Erlacher, Daniel

In: International Journal of Dream Research, (2010),

Official URL: http://archiv.ub.uni-heidelberg.de/ojs/index.php/IJoDR/article/view/486
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Abstract

A considerable amount of studies have shown that sleep facilitates memory consolidation. For procedural memory, some findings support the association with REM sleep but the relationship between memory consolidation and dreaming has been scarcely studied. The present study did not find an effect of direct incorporations of the mirror tracing task into the dream on over-night improvement. On the other hand, bizarre, long, and intense dreams were associated with poorer performance regarding speed but also with decreased amount of errors. Whether this can be explained by altered sleep physiology or negative effects of dreams on mood and performance can not yet been answered. Future research should study more complex and demanding procedural memory tasks and the relationship between dreaming and sleep-dependent consolidation of emotional memories.

Item Type: Article
Journal or Publication Title: International Journal of Dream Research
Date Deposited: 23. Mar 2010 09:58
Date: 2010
Faculties / Institutes: The Faculty of Behavioural and Cultural Studies > Institut für Sport und Sportwissenschaft
Subjects: 300 Social sciences
Uncontrolled Keywords: Dream content; REM sleep; sleep-dependent memory consolidation; procedural memory; declarative memory; cortisol
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