Document Detail

Perceptual-binding and persistent surface segregation.
MedLine Citation:
PMID:  15380994     Owner:  NLM     Status:  MEDLINE    
Visual input is segregated in the brain into subsystems that process different attributes such as motion and color. At the same time, visual information is perceptually segregated into objects and surfaces. Here we demonstrate that perceptual segregation of visual entities based on a transparency cue precedes and affects perceptual binding of attributes. Adding an irrelevant transparency cue paradoxically improved the pairing of color and motion for rapidly alternating surfaces. Subsequent experiments show: (1) Attributes are registered over the temporal window defined by the perceptual persistence of segregation, resulting in asynchrony in binding, and (2) attention is necessary for correct registration of attributes in the presence of ambiguity.
Farshad Moradi; Shinsuke Shimojo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Vision research     Volume:  44     ISSN:  0042-6989     ISO Abbreviation:  Vision Res.     Publication Date:  2004 Nov 
Date Detail:
Created Date:  2004-09-21     Completed Date:  2005-01-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  2885-99     Citation Subset:  IM    
Computation and Neural Systems Program, California Institute of Technology, Pasadena 91125, USA.
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MeSH Terms
Attention / physiology
Color Perception / physiology*
Motion Perception / physiology*
Pattern Recognition, Visual / physiology
Photic Stimulation / methods

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