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Learn Mem. 2016 Dec 15;24(1):65-69. doi: 10.1101/lm.042978.116. Print 2017 Jan.

Reward retroactively enhances memory consolidation for related items.

Author information

1
Department of Psychology, University of Toronto, Toronto, Ontario M5S 3G3, Canada.
2
Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania 15213, USA.
3
Department of Psychology, New York University, New York, New York 10003, USA.
4
Center for Neural Science, New York University, New York, New York 10003, USA.
5
Nathan Kline Institute, Orangeburg, New York 10962, USA.
6
Department of Psychology, New York University, New York, New York 10003, USA lila.davachi@nyu.edu.

Abstract

Reward motivation has been shown to modulate episodic memory processes in order to support future adaptive behavior. However, for a memory system to be truly adaptive, it should enhance memory for rewarded events as well as for neutral events that may seem inconsequential at the time of encoding but can gain importance later. Here, we investigated the influence of reward motivation on retroactive memory enhancement selectively for conceptually related information. We found behavioral evidence that reward retroactively enhances memory at a 24-h memory test, but not at an immediate memory test, suggesting a role for post-encoding mechanisms of consolidation.

PMID:
27980078
PMCID:
PMC5159660
DOI:
10.1101/lm.042978.116
[Indexed for MEDLINE]
Free PMC Article

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