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  Norm-based face encoding by single neurons in the monkey inferotemporal cortex

Leopold, D., Bondar, I., & Giese, M. (2006). Norm-based face encoding by single neurons in the monkey inferotemporal cortex. Nature, 442(7102), 572-575. doi:10.1038/nature04951.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D0DF-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-83A7-B
Genre: Journal Article

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Leopold, DA1, 2, Author              
Bondar, IV1, 2, Author              
Giese, MA, 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, ou_1497794              

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 Abstract: The rich and immediate perception of a familiar face, including its identity, expression and even intent, is one of the most impressive shared faculties of human and non-human primate brains. Many visually responsive neurons in the inferotemporal cortex of macaque monkeys respond selectively to faces sometimes to only one or a few individuals while showing little sensitivity to scale and other details of the retinal image. Here we show that face-responsive neurons in the macaque monkey anterior inferotemporal cortex are tuned to a fundamental dimension of face perception. Using a norm-based caricaturization framework previously developed for human psychophysics we varied the identity information present in photo-realistic human faces, and found that neurons of the anterior inferotemporal cortex were most often tuned around the average, identity-ambiguous face. These observations are consistent with face-selective responses in this area being shaped by a figural comparison, reflecting structural differences be tween an incoming face and an internal reference or norm. As such, these findings link the tuning of neurons in the inferotemporal cortex to psychological models of face identity perception.

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 Dates: 2006-07
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1038/nature04951
BibTex Citekey: 4398
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Title: Nature
  Abbreviation : Nature
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 442 (7102) Sequence Number: - Start / End Page: 572 - 575 Identifier: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238