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  Bottom-up saliency and top-down learning in the primary visual cortex of monkeys

Yan, Y., Zhaoping, L., & Li, W. (2018). Bottom-up saliency and top-down learning in the primary visual cortex of monkeys. Proceedings of the National Academy of Sciences of the United States of America, 115(41), 10499-10504. doi:10.1073/pnas.1803854115.

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Datensatz-Permalink: https://hdl.handle.net/21.11116/0000-0002-4B13-5 Versions-Permalink: https://hdl.handle.net/21.11116/0000-0003-6F52-5
Genre: Zeitschriftenartikel

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http://www.pnas.org/content/pnas/115/41/10499.full.pdf (Verlagsversion)
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 Urheber:
Yan, Y, Autor
Zhaoping, L1, Autor           
Li, W, Autor
Affiliations:
1External Organizations, ou_persistent22              

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Schlagwörter: -
 Zusammenfassung: A visual item in sharp contrast with its neighboring items in a simple feature, such as color or orientation, automatically captures attention. Although cortical area V1 signals such simple feature contrasts, it is unclear whether these signals are utilized for saliency effects in behavior and whether they are enhanced by training. By training monkeys to detect a short bar in various degrees of orientation contrast with uniformly oriented background bars, we show that the feature contrast signals in V1, which start from the beginning of neuronal responses, are correlated with the detection performance and are therefore perceptual saliency signals. Training makes the early saliency signals more behaviorally correlated, consistent with more reflexive and less effortful task performance after training.

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 Datum: 2018-09
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: DOI: 10.1073/pnas.1803854115
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Titel: Proceedings of the National Academy of Sciences of the United States of America
  Andere : Proc. Acad. Sci. USA
  Andere : Proc. Acad. Sci. U.S.A.
  Andere : Proceedings of the National Academy of Sciences of the USA
  Kurztitel : PNAS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Washington, D.C. : National Academy of Sciences
Seiten: - Band / Heft: 115 (41) Artikelnummer: - Start- / Endseite: 10499 - 10504 Identifikator: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230