August 2010
Volume 10, Issue 7
Free
Vision Sciences Society Annual Meeting Abstract  |   August 2010
Race-modulated N170 Response to the Thatcher Illusion: Evidence for the expertise theory of the other race effect
Author Affiliations
  • Lawrence Symons
    Psychology, Western Washington University
  • Kelly Jantzen
    Psychology, Western Washington University
  • Amanda Hahn
    Psychology, University of St. Andrews
Journal of Vision August 2010, Vol.10, 693. doi:10.1167/10.7.693
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      Lawrence Symons, Kelly Jantzen, Amanda Hahn; Race-modulated N170 Response to the Thatcher Illusion: Evidence for the expertise theory of the other race effect. Journal of Vision 2010;10(7):693. doi: 10.1167/10.7.693.

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Abstract

It has been suggested that differential use of configural processing strategies may be the underlying cause of racially-based recognition deficits. By employing a well known configural manipulation (thatcherization), we aimed to demonstrate, electrophysiologically, that configural processing is used to a greater extent when viewing same-race faces than when viewing other-race faces. N170 ERP responses were measured for participants viewing normal and thatcherized faces of the same-race (Caucasian) and of another race (African-American). The N170 response was modulated to a greater extent by thatcherization for same-race faces, suggesting that the processing of these faces is, in fact, more reliant on configural information than other-race faces. These findings considered to be the result of greater experience, and thus greater expertise with faces of one's own race as compared to faces of another race.

Symons, L. Jantzen, K. Hahn, A. (2010). Race-modulated N170 Response to the Thatcher Illusion: Evidence for the expertise theory of the other race effect [Abstract]. Journal of Vision, 10(7):693, 693a, http://www.journalofvision.org/content/10/7/693, doi:10.1167/10.7.693. [CrossRef]
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