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Covert face priming reveals a 'true face effect' in a case of congenital prosopagnosia 

Authors: Christopher Striemer a;  Trevor Gingerich b;  Danielle Striemer b; Mike Dixon b
Affiliations:   a CIHR Group on Action and Perception, Department of Psychology, Social Sciences Centre, University of Western Ontario, London, Ontario, Canada
b Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada
DOI: 10.1080/13554790902971166
Publication Frequency: 6 issues per year
Published in: journal Neurocase, Volume 15, Issue 6 December 2009 , pages 509 - 514
First Published: December 2009
Formats available: HTML (English) : PDF (English)
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Abstract

Previous research indicates that individuals with congenital prosopagnosia (CP) fail to demonstrate significant priming from faces to related names in covert recognition tasks. The interpretation has been that CP precludes the ability to acquire face representations. In the current study we replicated this important finding. In addition, we also demonstrated significant 'true face effect' in a CP patient, where face primes that matched the probe names facilitated reaction times compared to unrelated face primes. These data suggest that some individuals with CP may possess degraded face representations that facilitate the priming of a person's identity, but not semantic associates.
Keywords: Congenital prosopagnosia; Face recognition; Face priming; Covert recognition; Face representations
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