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Updated: Jun 14, 2025
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A Prediction Error-driven Retrieval Procedure for Destabilizing and Rewriting Maladaptive Reward Memories in Hazardous Drinkers
Published on: January 5, 2018
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Memory for rewards guides retrieval.
Juliane Nagel1,2,3, David Philip Morgan4,5,6, Necati Çağatay Gürsoy4,5,6
1Clinical Psychology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany. juliane.nagel@zi-mannheim.de.
Communications Psychology
|September 6, 2024
Summary
Promised rewards enhance long-term memory formation and influence retrieval decisions. This study clarifies how reward associations impact memory strength and decision-making strategies in learning.
Area of Science:
- Cognitive Neuroscience
- Behavioral Psychology
- Memory Research
Background:
- The role of rewards in memory formation is debated, with questions about whether they affect memory strength or retrieval decision-making.
- The Motivated Learning Task is a common paradigm used to study reward effects on memory.
Purpose of the Study:
- To investigate whether rewards primarily enhance memory strength or influence decision-making strategies during retrieval.
- To test a theoretical framework proposing that rewards create stimulus-reward associations impacting retrieval decisions.
Main Methods:
- Conducted three large-scale online experiments with healthy participants (N=200, N=205, N=187).
- Manipulated reward conditions during encoding and retrieval phases.
- Analyzed effects on memory strength and decision-making strategies.
Main Results:
- Experiment 1: Explicit stimulus-reward associations formed during encoding influenced retrieval strategies.
- Experiment 2: Reward impacted both memory strength and decision-making strategies.
- Experiment 3: Reward influenced decision-making strategies exclusively.
Conclusions:
- Findings support a model where rewards increase memory strength and form stimulus-reward associations.
- These associations actively shape decision-making processes during memory retrieval.
- The study clarifies the dual role of rewards in learning and memory.
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