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| Research article summary (published 29 Jun 2003): |
Visual comparisons within and between object parts: evidence for a single-part superiority effect.
Full Abstract
Subjects judged whether two marks placed at different positions along a curved contour were physically the same. When targets were separated by a concave curvature extremum--corresponding to a part-boundary--decision latencies were longer than when they straddled an equally curved convex extremum, demonstrating a "single-part superiority effect". This difference increased with both stimulus duration and the magnitude of contour curvature. However, it disappeared when the global configuration was not consistent with a part-boundary interpretation, suggesting a critical role of global organization in part decomposition.
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Author information
Author/s: Barenholtz, Elan (E); Feldman, Jacob (J);
Affiliation: Department of Psychology, Center for Cognitive Science, Rutgers University, New Brunswick, NJ 08854-8020 USA. elanbz(-atsign-)ruccs.rutgers.edu
Grants: T32-MH19975-03 (Agency:United States NIMH)
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.
Journal: Vision research (Vision Res), published in England. (Language: eng)
Reference: 2003-Jul; vol 43 (issue 15) : pp 1655-66
Dates: Created 2003/06/11; Completed 2003/08/12; Revised 2007/11/14;
PMID: 12798147, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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