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| Research article summary (published 30 Aug 2003): |
Increasing depth of binocular rivalry suppression along two visual pathways.
Full Abstract
Binocular rivalry refers to the alternating perception that occurs when the two eyes are presented with incompatible stimuli:
one monocular image is seen exclusively for several seconds before disappearing as the other image comes into view. The unseen stimulus is physically present but is not perceived because the sensory signals it elicits are suppressed. The neural site of this binocular rivalry suppression is a source of continuing controversy. We psychophysically tested human subjects, using test probes designed to selectively activate the visual system at a variety of processing stages. The results, which apply to both form and motion judgements, show that the sensitivity loss during suppression increases as the subject's task becomes more sophisticated. We conclude that binocular rivalry suppression is present at a number of stages along two visual cortical pathways, and that suppression deepens as the visual signal progresses along these pathways.
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Author information
Author/s: Nguyen, Vincent A (VA); Freeman, Alan W (AW); Alais, David (D);
Affiliation: School of Biomedical Sciences, University of Sydney, P.O. Box 170, NSW 1825, Lidcombe, Australia.
Journal and publication information
Publication Type: Journal Article
Journal: Vision research (Vision Res), published in England. (Language: eng)
Reference: 2003-Sep; vol 43 (issue 19) : pp 2003-8
Dates: Created 2003/07/04; Completed 2003/08/26; Revised 2004/11/17;
PMID: 12842153, 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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