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Neural responses to Mooney images reveal a modular representation of faces in human visual cortex

Andrews, T.J. and Schluppeck, D. (2004) Neural responses to Mooney images reveal a modular representation of faces in human visual cortex. Neuroimage, 21 (1). pp. 91-98. ISSN 1053-8119

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The way in which information about objects is represented in visual cortex remains controversial. One model of human object recognition poses that information is processed in modules, highly specialised for different categories of objects; an opposing model appeals to a distributed representation across a large network of visual areas. We addressed this debate by monitoring activity in face- and object-selective areas while human subjects viewed ambiguous face stimuli (Mooney faces). The measured neural response in the face-selective region of the fusiform gyrus was greater when subjects reported seeing a face than when they perceived the image as a collection of blobs. In contrast, there was no difference in magnetic resonance response between face and no-face perceived events in either the face-selective voxels of the superior temporal sulcus or the object-selective voxels of the parahippocampal gyrus and lateral occipital complex. These results challenge the concept that neural representation of faces is distributed and overlapping and suggest that the fusiform gyrus is tightly linked to the awareness of faces

Item Type: Article
Institution: The University of York
Academic Units: The University of York > Psychology (York)
Depositing User: York RAE Import
Date Deposited: 07 Apr 2009 11:45
Last Modified: 07 Apr 2009 11:45
Published Version: http://dx.doi.org/10.1016/j.neuroimage.2003.08.023
Status: Published
Publisher: Elsevier
Identification Number: 10.1016/j.neuroimage.2003.08.023
URI: http://eprints.whiterose.ac.uk/id/eprint/7102

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