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Updated: Jan 11, 2026

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Brain Imaging Investigation of the Memory-Enhancing Effect of Emotion
Published on: May 4, 2011
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How emotions influence mental visualization through the motivation to forget
Ziqi Shang1, Jun Pang2, Xiuping Li3
1International School of Business, Hainan University.
Emotion (Washington, D.C.)
|November 17, 2025
Summary
Sad experiences are visualized with less vivid colors than happy ones, driven by a motivation to forget. This research explores the link between emotion, memory, and visual perception.
Area of Science:
- Cognitive Psychology
- Affective Science
- Neuroscience
Background:
- Emotion regulation theory suggests individuals are motivated to forget negative experiences.
- Previous research indicates associations between color and emotion in perception.
- The impact of emotion on the vividness of mental imagery remains less understood.
Purpose of the Study:
- To investigate how sadness versus happiness influences color chroma in mental visualization.
- To explore the role of motivation to forget in emotion-color chroma relationships.
- To examine whether prompting to forget alters emotion-induced changes in visual imagery.
Main Methods:
- Three experiments were conducted with 939 participants.
- Participants visualized sad and happy emotional events.
- Color chroma, motivation to forget, and explicit forgetting prompts were measured.
Main Results:
- Sad experiences were visualized with significantly lower color chroma than happy experiences.
- Motivation to forget mediated the relationship between emotion type and color chroma.
- Explicitly prompting participants to forget mitigated the effect of emotion on color chroma.
Conclusions:
- Emotional valence influences the vividness of mental imagery, with sadness associated with reduced color chroma.
- Motivational processes, specifically the drive to forget, play a key role in shaping visual representations of emotional memories.
- This study offers a novel explanation for the emotion-color association in mental visualization.
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