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An amygdala response to fearful faces with covered eyes

Asghar, Aziz U.R.; Chiu, Yi Chieh; Hallam, Glyn; Liu, Siwei; Mole, Hannah; Wright, Hayley; Young, Andrew W.

Authors

Aziz U.R. Asghar Aziz.Asghar@hull.ac.uk

Yi Chieh Chiu

Glyn Hallam

Siwei Liu

Hannah Mole

Hayley Wright

Andrew W. Young



Abstract

Findings of amygdala responsiveness to the eye region of fearful faces raise the question of whether eye widening is the only facial cue involved. We used fMRI to investigate the differential amygdala response to fearful versus neutral stimuli for faces, eyes, and for faces in which the eye region was masked. For maximum sensitivity, a block design was used, with a region of interest (ROI) centred on the amygdala which included peri-amygdalar areas. Evidence of amygdala responsiveness to fear compared to neutral stimuli was found for whole faces, eye region only, and for faces with masked eyes. The amygdala can therefore use information from facial regions other than the eyes, allowing it to respond differentially to fearful compared to neutral faces even when the eye region is hidden

Journal Article Type Article
Publication Date 2008-07
Journal Neuropsychologia
Print ISSN 0028-3932
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 46
Issue 9
Pages 2364-2370
APA6 Citation Asghar, A. U., Chiu, Y. C., Hallam, G., Liu, S., Mole, H., Wright, H., & Young, A. W. (2008). An amygdala response to fearful faces with covered eyes. Neuropsychologia, 46(9), (2364-2370). doi:10.1016/j.neuropsychologia.2008.03.015. ISSN 0028-3932
DOI https://doi.org/10.1016/j.neuropsychologia.2008.03.015
Keywords Amygdala; Functional magnetic resonance imaging; Facial expression
Publisher URL https://www.sciencedirect.com/science/article/pii/S0028393208001024?via%3Dihub
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