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  Prototype-referenced shape encoding revealed by high-level aftereffects

Leopold, D., O'Toole, A., Vetter, T., & Blanz, V. (2001). Prototype-referenced shape encoding revealed by high-level aftereffects. Nature Neuroscience, 4(1), 89-94. doi:10.1038/82947.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E306-E Version Permalink: http://hdl.handle.net/21.11116/0000-0005-A7D5-E
Genre: Journal Article

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https://www.nature.com/articles/nn0101_89.pdf (Publisher version)
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 Creators:
Leopold, DA1, 2, Author              
O'Toole, AJ, Author              
Vetter, T2, 3, Author              
Blanz, V2, 3, Author              
Affiliations:
1Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
3Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: We used high-level configural aftereffects induced by adaptation to realistic faces to investigate visual representations underlying complex pattern perception. We found that exposure to an individual face for a few seconds generated a significant and precise bias in the subsequent perception of face identity. In the context of a computationally derived 'face space,' adaptation specifically shifted perception along a trajectory passing through the adapting and average faces, selectively facilitating recognition of a test face lying on this trajectory and impairing recognition of other faces. The results suggest that the encoding of faces and other complex patterns draws upon contrastive neural mechanisms that reference the central tendency of the stimulus category.

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 Dates: 2001-01
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1038/82947
BibTex Citekey: 46
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Title: Nature Neuroscience
  Other : Nat. Neurosci.
Source Genre: Journal
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Publ. Info: New York, NY : Nature America Inc.
Pages: - Volume / Issue: 4 (1) Sequence Number: - Start / End Page: 89 - 94 Identifier: ISSN: 1097-6256
CoNE: https://pure.mpg.de/cone/journals/resource/954925610931