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  Race-specific norms for coding face identity and a functional role for norms

Armann, R., Jeffrey, L., Calder, A., Bülthoff, I., & Rhodes, G. (2010). Race-specific norms for coding face identity and a functional role for norms. Poster presented at 10th Annual Meeting of the Vision Sciences Society (VSS 2010), Naples, FL, USA.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-C090-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-AA1E-E
Genre: Poster

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 Creators:
Armann, RGM1, 2, Author              
Jeffrey, L, Author
Calder, A, Author
Bülthoff, I1, 2, Author              
Rhodes, G, Author
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: High-level perceptual aftereffects have revealed that faces are coded relative to norms that are dynamically updated by experience. The nature of these norms and the advantage of such a norm-based representation, however, are not yet fully understood. Here, we used adaptation techniques to get insight into the perception of faces of different race categories. We measured identity aftereffects for adapt-test pairs that were opposite a race-specific average and pairs that were opposite a ‘generic’ average, made by morphing together Asian and Caucasian faces. Aftereffects were larger following exposure to anti-faces that were created relative to the race-specific (Asian and Caucasian) averages than to anti-faces created using the mixed-race average. Since adapt-test pairs that lie opposite to each other in face space generate larger identity aftereffects than non-opposite test pairs, these results suggest that Asian and Caucasian faces are coded using race-specific norms. We also found that identification thresholds were lower when targets were distributed around the race-specific norms than around the mixed-race norm, which is also consistent with a functional role for race-specific norms.

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 Dates: 2010-05
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1167/10.7.706
BibTex Citekey: 6728
 Degree: -

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Title: 10th Annual Meeting of the Vision Sciences Society (VSS 2010)
Place of Event: Naples, FL, USA
Start-/End Date: 2010-05-07 - 2010-05-12

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Title: Journal of Vision
Source Genre: Journal
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Publ. Info: Charlottesville, VA : Scholar One, Inc.
Pages: - Volume / Issue: 10 (7) Sequence Number: - Start / End Page: 706 Identifier: ISSN: 1534-7362
CoNE: https://pure.mpg.de/cone/journals/resource/111061245811050