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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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 Urheber:
Trapp, Sabrina1, Autor           
Bar, Moshe2, Autor
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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Schlagwörter: Perceptual hypothesis; Perceptual task; Expectations; Top-down; Object recognition; Orbitofrontal cortex; Biased competition
 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2014-12-122015-02-272015-03
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1111/nyas.12680
PMID: 25728836
Anderer: Epub 2015
 Art des Abschluß: -

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Titel: Annals of the New York Academy of Sciences
  Andere : Ann. N.Y. Acad. Sci.
Genre der Quelle: Zeitschrift
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Affiliations:
Ort, Verlag, Ausgabe: New York : New York Academy of Sciences
Seiten: - Band / Heft: 1339 (Competitive Visual Processing Across Space and Time) Artikelnummer: - Start- / Endseite: 190 - 198 Identifikator: ISSN: 0077-8923
CoNE: https://pure.mpg.de/cone/journals/resource/954926958894_2