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| Research article summary (published 30 Mar 2003): |
Failures of retrieval and comparison constrain change detection in natural scenes.
Full Abstract
In a change detection paradigm, a target object in a natural scene either rotated in depth, was replaced by another object token, or remained the same. Change detection performance was reliably higher when a target postcue allowed participants to restrict retrieval and comparison processes to the target object (Experiment 1). Change detection performance remained excellent when the target object was not attended at change (Experiment 2) and when a concurrent verbal working memory load minimized the possibility of verbal encoding (Experiment 3). Together, these data demonstrate that visual representations accumulate in memory from attended objects as the eyes and attention are oriented within a scene and that change blindness derives, at least in part, from retrieval and comparison failure.
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Author information
Author/s: Hollingworth, Andrew (A);
Affiliation: Department of Psychology, Yale University, USA. andrew-hollingworth(-atsign-)uiowa.edu
Grants: R03 MH65456 (Agency:United States NIMH)
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Research Support, U.S. Gov't, P.H.S.
Journal: Journal of experimental psychology. Human perception and performance (J Exp Psychol Hum Percept Perform), published in United States. (Language: eng)
Reference: 2003-Apr; vol 29 (issue 2) : pp 388-403
Dates: Created 2003/05/22; Completed 2003/09/09; Revised 2007/11/14;
PMID: 12760623, 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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