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  Prediction, context and competition in visual recognition

Trapp, S., & Bar, M. (2015). Prediction, context and competition in visual recognition. Annals of the New York Academy of Sciences, 1339(Competitive Visual Processing Across Space and Time), 190-198. doi:10.1111/nyas.12680.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-5571-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-798E-6
Genre: Journal Article

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 Creators:
Trapp, Sabrina1, Author              
Bar, Moshe2, Author
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Gonda Multidisciplinary Brain Research Center, Bar-Ilan University, Ramat Gan, Israel, ou_persistent22              

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Free keywords: Perceptual hypothesis; Perceptual task; Expectations; Top-down; Object recognition; Orbitofrontal cortex; Biased competition
 Abstract: Perception is substantially facilitated by top-down influences, typically seen as predictions. Here, we outline that the process is competitive in nature, in that sensory input initially activates multiple possible interpretations, or perceptual hypotheses, of its causes. This raises the question of how the selection of the correct interpretation from among those multiple hypotheses is achieved. We first review previous findings in support of such a competitive nature of perceptual processing, and then propose which neural regions might provide a platform for rising and using expectations to resolve this competition. Specifically, we propose that it is the rapid extraction and top-down dissemination of a global context signal from the frontal cortices, particularly the orbitofrontal cortex, that affords the quick and reliable resolution of the initial competition among likely alternatives toward a singular percept.

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Language(s): eng - English
 Dates: 2014-12-122015-02-272015-03
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1111/nyas.12680
PMID: 25728836
Other: Epub 2015
 Degree: -

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Title: Annals of the New York Academy of Sciences
  Other : Ann. N.Y. Acad. Sci.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: New York : New York Academy of Sciences
Pages: - Volume / Issue: 1339 (Competitive Visual Processing Across Space and Time) Sequence Number: - Start / End Page: 190 - 198 Identifier: ISSN: 0077-8923
CoNE: https://pure.mpg.de/cone/journals/resource/954926958894_2