Lip color affects ERP components in temporal face perception processing

This brief report investigates the relationship between the lip color of women's faces and the latency and amplitude of the P1, N170, and early posterior negativity of event-related potential components. To show different color lipsticks affect face perception processing, we used EEG to observe...

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Bibliographic Details
Published in:Journal of integrative neuroscience 2021-12, Vol.20 (4), p.1029-1038
Main Author: Tanaka, Hideaki
Format: Article
Language:English
Subjects:
Adolescent
Adult
Beauty
Cerebral Cortex - physiology
Color Perception - physiology
early posterior negativity
Electroencephalography
event-related potential
Evoked Potentials
Facial Recognition - physiology
Female
Humans
lip color
Male
n170
Social Perception
temporal face perception processing, eeg
Time Factors
Young Adult
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Summary:This brief report investigates the relationship between the lip color of women's faces and the latency and amplitude of the P1, N170, and early posterior negativity of event-related potential components. To show different color lipsticks affect face perception processing, we used EEG to observe these event-related potential components in 19 participants exposed to visual stimuli under four conditions: red lips, yellow lips, blue lips, and no-makeup. The results indicate a significantly higher attractiveness score for red lips than the other three conditions and a significantly shorter P1 peak latency for red lips than blue lips or no-makeup. This may reflect that red lips attract attention more than blue or natural lips in the early stages of face processing. The results indicate that the peak of early posterior negativity for red lips occurred significantly longer than for yellow lips, blue lips, or no-makeup. Early posterior negativity amplitudes were significantly larger to red lips than blue lips or no-makeup. These results may indicate that, at later stages of face processing, the high attractiveness of red lips is associated with slower and careful processing. In contrast, blue lips, which have a low attractiveness score, are processed speedily and carelessly. These present results suggest a novel possibility that P1 and early posterior negativity can be used as a biomarker for temporal face perception processing of facial attractiveness in the human brain.
ISSN:0219-6352
1757-448X
1757-448X
DOI:10.31083/j.jin2004104