August 2010
Volume 10, Issue 7
Free
Vision Sciences Society Annual Meeting Abstract  |   August 2010
Internal and external features of the face are represented holistically in face-selective regions of visual cortex
Author Affiliations
  • Jodie Davies-Thompson
    Department of Psychology and York Neuroimaging Centre, University of York, UK
  • Alan Kingstone
    Department of Psychology, University of British Colombia, Canada
  • Andrew W. Young
    Department of Psychology and York Neuroimaging Centre, University of York, UK
  • Timothy J. Andrews
    Department of Psychology and York Neuroimaging Centre, University of York, UK
Journal of Vision August 2010, Vol.10, 674. doi:10.1167/10.7.674
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      Jodie Davies-Thompson, Alan Kingstone, Andrew W. Young, Timothy J. Andrews; Internal and external features of the face are represented holistically in face-selective regions of visual cortex. Journal of Vision 2010;10(7):674. doi: 10.1167/10.7.674.

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Abstract

The perception and recognition of familiar faces depends critically on an analysis of the internal features of the face (eyes, nose, mouth). We therefore contrasted how information about the internal and external (hair, chin, face-outline) features of familiar and unfamiliar faces is represented in face-selective regions. There was a significant response to both the internal and external features of the face when presented in isolation. However, the response to the internal features was greater than the response to the external features. There was significant adaptation to repeated images of either the internal or external features of the face in the FFA. However, the magnitude of this adaptation was greater for the internal features of familiar faces. Next, we asked whether the internal features of the face are represented independently from the external features. There was a release from adaptation in the FFA to composite images in which the internal features were varied but the external features were unchanged, or when the internal features were unchanged but the external features varied, demonstrating a holistic response. Finally, we asked whether the holistic response to faces could be influenced by the context in which the face was presented. We found that adaptation was still evident to composite images in which the face was unchanged but body features were varied. Together, these findings show that although internal features are important in the neural representation of familiar faces, the face's internal and external features are represented holistically in face-selective regions of the human brain.

Davies-Thompson, J. Kingstone, A. Young, A. W. Andrews, T. J. (2010). Internal and external features of the face are represented holistically in face-selective regions of visual cortex [Abstract]. Journal of Vision, 10(7):674, 674a, http://www.journalofvision.org/content/10/7/674, doi:10.1167/10.7.674. [CrossRef]
Footnotes
 JD-T is supported by an ESRC studentship.
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