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  Contextual influences in V1 as a basis for pop out and asymmetry in visual search

Li, Z. (1999). Contextual influences in V1 as a basis for pop out and asymmetry in visual search. Proceedings of the National Academy of Sciences of the United States of America, 96(18), 10530-10535. doi:10.1073/pnas.96.18.10530.

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Genre: Zeitschriftenartikel

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https://www.pnas.org/content/pnas/96/18/10530.full.pdf (Verlagsversion)
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 Urheber:
Li, Z1, Autor           
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1External Organizations, ou_persistent22              

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 Zusammenfassung: I use a model to show how simple, bottom-up, neural mechanisms in primary visual cortex can qualitatively explain the preattentive component of complex psychophysical phenomena of visual search for a target among distracters. Depending on the image features, the speed of search ranges from fast, when a target pops-out or is instantaneously detectable, to very slow, and it can be asymmetric with respect to switches between the target and distracter objects. It has been unclear which neural mechanisms or even cortical areas control the ease of search, and no physiological correlate has been found for search asymmetry. My model suggests that contextual influences in V1 play a significant role.

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 Datum: 1999-08
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: DOI: 10.1073/pnas.96.18.10530
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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: 96 (18) Artikelnummer: - Start- / Endseite: 10530 - 10535 Identifikator: ISSN: 0027-8424
CoNE: https://pure.mpg.de/cone/journals/resource/954925427230