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Updated: Feb 13, 2026
16:08
Brain Imaging Investigation of the Impairing Effect of Emotion on Cognition
Published on: February 1, 2012
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Facial color is an efficient mechanism to visually transmit emotion
Carlos F Benitez-Quiroz1,2, Ramprakash Srinivasan1,2, Aleix M Martinez3,2
1Department of Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210.
Summary
Facial color changes, not just muscle movements, convey emotions. Our study shows people can accurately interpret emotions from facial colors alone, revealing a new pathway for emotional communication.
Area of Science:
- Psychology
- Neuroscience
- Physiology
Background:
- Facial expressions are traditionally linked to facial muscle contractions (action units).
- The face has a rich blood vessel network causing visible color changes.
- The role of these color changes in emotion perception is largely unexplored.
Purpose of the Study:
- To investigate if facial colors transmit emotion independently of muscle activity.
- To determine if facial colors are consistent within and distinct between emotion categories.
- To examine if the human visual system utilizes facial colors for emotion decoding.
Main Methods:
- Analyzing observable facial color variations across different emotions.
- Testing observers' ability to decode emotions from faces with absent muscle activation.
- Comparing the contribution of facial color versus muscle movement to emotion perception.
Main Results:
- Observable facial colors are consistent within and differential between emotion categories.
- Humans can successfully decode emotions using facial color cues, independent of muscle activation.
- Facial color signals provide unique information for emotion perception.
Conclusions:
- Facial color is an effective, independent channel for transmitting and decoding emotion.
- A revised model of facial expression production and perception should incorporate facial color.
- This finding opens new avenues for understanding non-verbal emotional communication.
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