3.8 Article

Neural substrates of facial emotion processing using fMRI

Journal

COGNITIVE BRAIN RESEARCH
Volume 11, Issue 2, Pages 213-226

Publisher

ELSEVIER
DOI: 10.1016/S0926-6410(00)00073-2

Keywords

functional imaging; facial expression; emotional processing

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We identified human brain regions involved in the perception of sad, frightened, happy. angry, and neutral facial expressions using functional magnetic resonance imaging (fMRI). Twenty-one healthy right-handed adult volunteers (11 men, 10 women; aged 18-45; mean age 21.6 years) participated in four separate runs, one for each of the four emotions. Participants viewed blocks of emotionally expressive faces alternating with blocks of neutral faces and scrambled images. In comparison with scrambled images, neutral faces activated the fusiform gyri, the right lateral occipital gyrus, the right superior temporal sulcus, the inferior frontal gyri, and the amygdala/entorhinal cortex. In comparisons of emotional and neutral faces, we found that (1) emotional faces elicit increased activation in a subset of cortical regions involved in neutral face processing and in areas not activated by neutral faces; (2) differences in activation as a function of emotion category were most evident in the frontal lobes; (3) men showed a differential neural response depending upon the emotion expressed but women did not. (C) 2001 Elsevier Science B.V. All rights reserved.

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