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Composition and replay of mnemonic sequences: The contributions of REM and slow-wave sleep to episodic memory

Published online by Cambridge University Press:  21 November 2013

Sen Cheng  and
Markus Werning
Sen Cheng
Affiliation:
Department of Psychology, Ruhr University Bochum, 44780 Bochum, Germany. sen.cheng@rub.dehttp://cns.mrg1.rub.de/ Mercator Research Group Structure of Memory, Ruhr University Bochum, 44780 Bochum, Germany
Markus Werning
Affiliation:
Mercator Research Group Structure of Memory, Ruhr University Bochum, 44780 Bochum, Germany Department of Philosophy II, Ruhr University Bochum, 44780 Bochum, Germany. markus.werning@rub.dehttp://www.rub.de/phil-lang/
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Abstract

We propose that rapid eye movement (REM) and slow-wave sleep contribute differently to the formation of episodic memories. REM sleep is important for building up invariant object representations that eventually recur to gamma-band oscillations in the neocortex. In contrast, slow-wave sleep is more directly involved in the consolidation of episodic memories through replay of sequential neural activity in hippocampal place cells.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 36 , Issue 6 , December 2013 , pp. 610 - 611
Copyright
Copyright © Cambridge University Press 2013 

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