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Reward retroactively enhances memory consolidation for related items.


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.

SUBMITTER: Patil A 

PROVIDER: S-EPMC5159660 | biostudies-literature | 2017 Jan

REPOSITORIES: biostudies-literature

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Reward retroactively enhances memory consolidation for related items.

Patil Anuya A   Murty Vishnu P VP   Dunsmoor Joseph E JE   Phelps Elizabeth A EA   Davachi Lila L  

Learning & memory (Cold Spring Harbor, N.Y.) 20161215 1


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 th  ...[more]

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