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| Research article summary (published 29 Sep 2002): |
Programming of endogenous and exogenous saccades: evidence for a competitive integration model.
Full Abstract
Participants were required to make a saccade to a uniquely colored target while ignoring the presentation of an onset distractor. The results provide evidence for a competitive integration model of saccade programming that assumes endogenous and exogenous saccades are programmed in a common saccade map. The model incorporates a lateral interaction structure in which saccade-related activation at a specific location spreads to neighboring locations but inhibits distant locations. In addition, there is top-down, location-specific inhibition of locations to which the saccade should not go. The time course of exogenous and endogenous activation in the saccade map can explain a variety of eye movement data, including endpoints, latencies, and trajectories of saccades and the well-known global effect.
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Author information
Author/s: Godijn, Richard (R); Theeuwes, Jan (J);
Affiliation: Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands. rj.godijin(-atsign-)psy.vu.nl
Journal and publication information
Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial
Journal: Journal of experimental psychology. Human perception and performance (J Exp Psychol Hum Percept Perform), published in United States. (Language: eng)
Reference: 2002-Oct; vol 28 (issue 5) : pp 1039-54
Dates: Created 2002/11/07; Completed 2003/02/26; Revised 2004/11/17;
PMID: 12421054, 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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