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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
Affiliation:
Department of Psychology, Ruhr University Bochum, 44780 Bochum, Germany. sen.cheng@rub.de http://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.de http://www.rub.de/phil-lang/

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.

Information

Type
Open Peer Commentary
Copyright
Copyright © Cambridge University Press 2013 

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