Geons and Bubbles: Object recognition by pigeons

Edward  Wasserman; Olga  Lazareva; Brett Gibson; Frédéric Gosselin; Philippe Schyns; Irving Biederman

doi:10.1167/4.8.353

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Geons and Bubbles: Object recognition by pigeons

Journal article

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Geons and Bubbles: Object recognition by pigeons

Edward Wasserman, Olga Lazareva, Brett Gibson, Frédéric Gosselin, Philippe Schyns and Irving Biederman

Journal of vision (Charlottesville, Va.), Vol.4(8), pp.353-353

08/01/2004

DOI: 10.1167/4.8.353

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Abstract

We trained three pigeons to recognize four shaded, unoccluded geons (arch, barrel, brick, wedge) using a four-key forced-choice discrimination task. When the pigeons mastered the discrimination task to a very high level of proficiency, they were presented with geon images that were partly revealed by a mid-grey mask punctured by a number of randomly located Gaussian windows (‘bubbles’; Gosselin & Schyns, 2000). We used several sets of bubbles images, with different number of bubbles per image, that revealed different amounts of visual information to the pigeons. Bubbles analysis disclosed that the pigeons attended to the edges of the geons, confirming one of the predictions of recognition-by-component theory (Biederman, 1989). The pigeons also appeared to be attending to some surface features, such as a bright spot on the surface of one of the geons.

Details

Title: Subtitle: Geons and Bubbles: Object recognition by pigeons
Creators: Edward Wasserman
Olga Lazareva
Brett Gibson
Frédéric Gosselin
Philippe Schyns
Irving Biederman
Resource Type: Journal article
Publication Details: Journal of vision (Charlottesville, Va.), Vol.4(8), pp.353-353
DOI: 10.1167/4.8.353
ISSN: 1534-7362
eISSN: 1534-7362
Language: English
Date published: 08/01/2004
Academic Unit: Psychological and Brain Sciences; Iowa Neuroscience Institute
Record Identifier: 9984071742202771

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