Context effects in figure-ground perception: The role of biased competition, suppression and long-range connections | Zendy

E. Salvagio | Zendy; A. J. Mojica | Zendy; Mary A. Peterson | Zendy

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Context effects in figure-ground perception: The role of biased competition, suppression and long-range connections

Author(s) -

E. Salvagio,

A. J. Mojica,

Mary A. Peterson

Publication year - 2010

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/8.6.1007

Subject(s) - homogeneity (statistics) , context (archaeology) , convexity , homogeneous , competition (biology) , figure–ground , context effect , regular polygon , geometry , perception , psychology , mathematics , physics , geography , statistical physics , statistics , biology , neuroscience , ecology , economics , word (group theory) , archaeology , financial economics

• Context effects when large area (lo-weight candidate) homogeneous (the same pattern as convexity context effects) • Because context effects require spreading suppression between homogeneous lo-weight candidates, assume large area suppressed • BUT: No evidence larger candidate is suppressed in 2-region displays Small area candidate not seen as figure more often than chance • Suppose weak suppression below threshold for figure ground decision at single edges • Need more suppressed candidates (here 8) to observe context effects • Non-linear effect = spreading suppression is multiplicative ?

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