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Dynamic versus static facial color changes: Evidence for terminal color dominance in expression recognition
Miku Shibusawa1,2, Yuya Hasegawa1,3,4, Hideki Tamura1,5,6
1Department of Computer Science and Engineering, Toyohashi University of Technology, Toyohashi, Aichi, Japan.
Journal of Vision
|October 6, 2025
Summary
Facial redness enhances anger perception, regardless of whether the color change is dynamic or static. The final reddish facial tone is key, not the color change itself, in judging anger.
Area of Science:
- Psychology
- Perception Science
- Social Psychology
Background:
- Facial color is linked to emotion perception, with red tones often signaling anger.
- Previous research shows static red tones amplify anger perception.
- The impact of dynamic facial color changes on anger perception is not well understood.
Purpose of the Study:
- To investigate how dynamic and static facial color changes influence the perception of facial expressions.
- To determine if dynamic color shifts amplify the effect of reddish tones on anger perception.
- To examine the role of final facial color in anger recognition.
Main Methods:
- Participants judged morphed facial stimuli (fearful to angry) under dynamic and static color conditions.
- Experiments compared redder and greener faces against original colors.
- Rapid facial color change conditions were also tested.
Main Results:
- No significant difference was found between dynamic and static facial color change conditions.
- Faces with a final reddish color (higher a* value) were perceived as angrier.
- The final facial color, not the dynamic change, influenced anger perception.
Conclusions:
- Final facial color significantly impacts anger perception, independent of color change dynamics.
- Anger recognition is modulated by the association between angry expressions and red color.
- This study highlights the crucial role of final facial color in facial expression judgment.
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