Document Detail


Feature-based activation and suppression during binocular rivalry.
MedLine Citation:
PMID:  20102726     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
In the past decade, effects of pattern coherence have indicated that perception during binocular rivalry does not result solely from reciprocal inhibitory competition between monocular channels. In this study we were interested in feature selectivity both during dominance and during suppression. The first experiment shows that a suppressed stimulus perceptually appears earlier when it shares features with a visible stimulus than when it does not. Subsequently, our second experiment suggests a reversal of this effect when similarity is exhibited with a suppressed stimulus. These findings hint at a role for both selective enhancing (Experiment 1) and selective inhibitory cortical mechanisms (Experiment 2) in causing image rivalry. From a phenomenological perspective these results suggest that we are not only selectively aware but also selectively unaware of specific features in the visual scene.
Authors:
Mark Vergeer; Rob van Lier
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-01-25
Journal Detail:
Title:  Vision research     Volume:  50     ISSN:  1878-5646     ISO Abbreviation:  Vision Res.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-03-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  743-9     Citation Subset:  IM    
Copyright Information:
Copyright 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, The Netherlands. m.vergeer@donders.ru.nl
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