| Average orientation is more accessible through object boundaries than surface features. | |
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MedLine Citation:
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PMID: 22082217 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In a glance, the visual system can provide a summary of some kinds of information about objects in a scene. We explore how summary information about orientation is extracted and find that some representations of orientation are privileged over others. Participants judged the average orientation of either a set of 6 bars or 6 circular gratings. For bars, orientation information was carried by object boundary features, while for gratings, orientation was carried by internal surface features. The results showed more accurate averaging performance for bars than for gratings, even when controlling for potential differences in encoding precision for solitary objects. We suggest that, during orientation averaging, the visual system prioritizes object boundaries over surface features. This privilege for boundary features may lead to a better representation of the spatial layout of a scene. (PsycINFO Database Record (c) 2011 APA, all rights reserved). |
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Authors:
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Heeyoung Choo; Brian R Levinthal; Steven L Franconeri |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-14 |
Journal Detail:
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Title: Journal of experimental psychology. Human perception and performance Volume: - ISSN: 1939-1277 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7502589 Medline TA: J Exp Psychol Hum Percept Perform Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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