Reward retroactively enhances memory consolidation for related items

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...

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Bibliographic Details
Published inLearning & memory (Cold Spring Harbor, N.Y.) Vol. 24; no. 1; pp. 65 - 69
Main Authors Patil, Anuya, Murty, Vishnu P., Dunsmoor, Joseph E., Phelps, Elizabeth A., Davachi, Lila
Format Journal Article
LanguageEnglish
Published United States Cold Spring Harbor Laboratory Press 01.01.2017
Subjects
Adjustment (to Environment)
Adolescent
Adult
Analysis of Variance
Behavior Patterns
Brief Communication
Evidence
Female
Humans
Male
Memory
Memory Consolidation - physiology
Memory, Episodic
Motivation
Photic Stimulation
Reaction Time - physiology
Recognition, Psychology
Reward
Rewards
Role
Tests
Young Adult
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ISSN1549-5485
1072-0502
1549-5485
DOI10.1101/lm.042978.116

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Summary: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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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These authors contributed equally to this work.
ISSN:1549-5485
1072-0502
1549-5485
DOI:10.1101/lm.042978.116