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| Research article summary (published 29 Jun 2003): |
Eye movements and picture processing during recognition.
Full Abstract
Eye movements were monitored during a recognition memory test of previously studied pictures of full-color scenes. The test scenes were identical to the originals, had an object deleted from them, or included a new object substituted for an original object. In contrast to a prior report (Parker, 1978), we found no evidence that object deletions or substitutions could be recognized on the basis of information acquired from the visual periphery. Deletions were difficult to recognize peripherally, and the eyes were not attracted to them. Overall, the amplitude of the average saccade to the critical object during the memory test was less than 4.5 degrees of visual angle in all conditions and averaged 4.1 degrees across conditions. We conclude that information about object presence and identity in a scene is limited to a relatively small region around the current fixation point.
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Author information
Author/s: Henderson, John M (JM); Williams, Carrick C (CC); Castelhano, Monica S (MS); Falk, Richard J (RJ);
Affiliation: Michigan State University, East Lansing, Michigan 48824-1117, USA. john(-atsign-)eyelab.msu.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: 2003-Jul; vol 65 (issue 5) : pp 725-34
Dates: Created 2003/09/05; Completed 2003/10/10; Revised 2006/11/15;
PMID: 12956580, 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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