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Updated: Jan 6, 2026
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Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection
Published on: August 26, 2011
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Negative emotion reduces autobiographical memory's susceptibility to change
Victoria Wardell1, Daniela J Palombo1
1Department of Psychology, University of British Columbia.
Emotion (Washington, D.C.)
|October 6, 2025
Summary
Negative emotional memories are more consistent over time than neutral ones. This suggests that emotion can make everyday memories less vulnerable to distortion and change, even for negative experiences.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Memory Studies
Background:
- Autobiographical memories change over time through forgetting or adding information.
- Emotion generally enhances memory, but even negative memories can change.
- The protective effect of everyday negative emotion on memory consistency is unclear.
Purpose of the Study:
- To investigate if the emotionality of everyday events influences the consistency of their recall.
- To determine if negative emotions protect daily memories from distortion over time.
Main Methods:
- Participants (N=513) recalled negative and neutral personal events at two time points, 8 weeks apart.
- Narrative recalls were analyzed for consistency using human scoring and large language modeling (LLM).
Main Results:
- Both negative and neutral memories exhibited moderate consistency between recalls.
- Memories for negative events were significantly more consistent than memories for neutral events.
- LLM analysis corroborated human scoring in quantifying memory consistency.
Conclusions:
- Emotion appears to reduce the vulnerability of memories to change over time.
- While not perfect records, emotional memories demonstrate greater stability compared to neutral memories.
- Everyday negative emotions may play a role in preserving memory accuracy.
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