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| Research article summary (published 30 Jul 2002): |
Eye movements and scene perception: memory for things observed.
Full Abstract
In this study, we examined the characteristics of on-line scene representations, using a partial-report procedure. Subjects inspected a simple scene containing seven objects for 1, 3, 5, 9, or 15 fixations; shortly after scene offset, a marker cued one scene location for report. Consistent with previous research, the results indicated that scene representations are relatively sparse; even after 15 fixations on a scene, the subjects remembered the position/identity pairings for only about 78% of the objects in the scene, or the equivalent of about five objects-worth of information. Report of the last three objects that were foveated and of the object about to be foveated was very accurate, however, suggesting that recently attended information in a scene is represented quite well. Information about the scene appeared to accumulate over multiple fixations, but the capacity of the on-line scene representation appeared to be limited to about five items. Implications for recent theories of scene representation are discussed.
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Author information
Author/s: Irwin, David E (DE); Zelinsky, Gregory J (GJ);
Affiliation: Department of Psychology, University of Illinois at Urbana-Champaign, Champaign 61820, USA. dirwin(-atsign-)s.psych.uiuc.edu
Journal and publication information
Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.
Journal: Perception & psychophysics (Percept Psychophys), published in United States. (Language: eng)
Reference: 2002-Aug; vol 64 (issue 6) : pp 882-95
Dates: Created 2002/09/24; Completed 2002/10/16; Revised 2006/11/15;
PMID: 12269296, 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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