Gender differences influence brain's beta oscillatory responses in recognition of facial expressions

There are only few studies describing gender differences in recognition of facial expressions. Our study has the aim to analyze the effect of gender differences in oscillatory brain responses. Three sets of Ekman and Friesens's facial expressions (neutral, angry, and happy) were presented to 26...

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Bibliographic Details
Published in:Neuroscience letters 2007-09, Vol.424 (2), p.94-99
Main Authors: Güntekin, Bahar, Başar, Erol
Format: Article
Language:English
Subjects:
Adult
Beta
Beta Rhythm
Biological and medical sciences
Emotion
Emotions
Event-related oscillations
Face expressions
Facial Expression
Female
Fundamental and applied biological sciences. Psychology
Gender differences
Humans
Male
Occipital Lobe - physiology
Pattern Recognition, Visual - physiology
Photic Stimulation - methods
Sex Characteristics
Vertebrates: nervous system and sense organs
Visual perception
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Summary:There are only few studies describing gender differences in recognition of facial expressions. Our study has the aim to analyze the effect of gender differences in oscillatory brain responses. Three sets of Ekman and Friesens's facial expressions (neutral, angry, and happy) were presented to 26 healthy subjects (13 men) while recording from 13 different scalp locations. Occipital beta response (15–24 Hz) was significantly larger for women than for men during the presentation of face expressions. Our results demonstrate that processing of emotional face expressions clearly differs between men and women. Accordingly, the results indicate the necessity of introducing standardization between male and female subjects by means of oscillatory dynamics. In turn, this standardization may be useful for cognitive and clinical studies.
ISSN:0304-3940
1872-7972
DOI:10.1016/j.neulet.2007.07.052