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  On the other-side of the mean: Perceiving the dissimilarity of faces

O'Toole, A., Blanz, V., Vetter, T., & Wild, H. (1999). On the other-side of the mean: Perceiving the dissimilarity of faces. In Abstracts of the Psychonomic Society (pp. 23).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E62B-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-C504-8
Genre: Meeting Abstract

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 Creators:
O'Toole, AJ, Author              
Blanz, V1, 2, Author              
Vetter, T1, 2, Author              
Wild, HA, 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: We created a “face space” using a laser scan representation of faces. In this space, a caricature can be made by moving a face away from the average, along the line connecting it to the average. If we go in the other direction, we can move the face through the mean and out the other side. We call the result of this process an “antiface” because it is an opposite, in a computational sense, to the original face. We morphed faces into their antifaces and sampled the transition in five discrete steps. We then collected similarity ratings for all possible pairs of morphed faces. The data revealed a perceptual discontinuity of face identity as the face crosses over to the other side of the mean. We consider these results in the context of face space models of human face processing.

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 Dates: 1999-11
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: BibTex Citekey: 1880
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Title: 40th Annual Meeting of the Psychonomic Society
Place of Event: Los Angeles, CA, USA
Start-/End Date: 1999-11-18 - 1999-11-21

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Title: Abstracts of the Psychonomic Society
Source Genre: Proceedings
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Pages: - Volume / Issue: 4 Sequence Number: 158 Start / End Page: 23 Identifier: -