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Updated: Jul 15, 2026

The Deese-Roediger-McDermott (DRM) Task: A Simple Cognitive Paradigm to Investigate False Memories in the Laboratory
Published on: January 31, 2017
Emotions and false memories: valence or arousal?
1Laboratoire Education, Cognition, Développement, Université de Nantes, Nantes, France. yvescorson@wanadoo.fr
High arousal, not mood valence, significantly increases false memories. Whether positive, negative, or neutral, emotional states lead to more false recall and recognition when arousal levels are high.
Area of Science:
- Cognitive Psychology
- Memory Research
- Emotional Processing
Background:
- Previous research suggested mood valence influences false memories.
- Limited systematic investigation into mood's impact on memory distortions.
- Emotional valence was hypothesized to modulate false recall.
Purpose of the Study:
- To investigate the distinct roles of emotional valence and arousal in false memory.
- To determine if mood valence or arousal level is the primary driver of memory errors.
- To examine effects on both recall and recognition memory.
Main Methods:
- Participants experienced positive, negative, or neutral moods.
- Mood induction was followed by memory tasks assessing recall and recognition.
- Experimental conditions manipulated arousal levels (high vs. low).
Main Results:
- False memories were significantly more frequent under high arousal conditions.
- Mood valence (positive, negative, neutral) did not independently affect false memory frequency.
- Arousal level emerged as the critical factor influencing false memory occurrence.
Conclusions:
- Emotional arousal, rather than mood valence, is the key determinant of false memories.
- High arousal states enhance susceptibility to memory distortions.
- Findings clarify the mechanisms underlying mood-related memory biases.
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