Document Detail


Facilitation by view combination and coherent motion in dynamic object recognition.
MedLine Citation:
PMID:  19925823     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
We compared the effect of motion cues on people's ability to: (1) recognize dynamic objects by combining information from more than one view and (2) perform more efficiently on views that followed the global direction of the trained views. Participants learned to discriminate two objects that were either structurally similar or distinct and that were rotating in depth in either a coherent or scrambled motion sequence. The Training views revealed 60 degrees of the object, with a center 30 degrees segment missing. For similar stimuli only, there was a facilitative effect of motion: Performance in the coherent condition was better on views following the training views than on equidistant preceding views. Importantly, the viewpoint between the two training viewpoints was responded to more efficiently than either the Pre- or Post-Training viewpoints for both the coherent and scrambled condition. The results indicate that view combination and processing coherent motion cues may occur through different processes.
Authors:
Alinda Friedman; Quoc C Vuong; Marcia Spetch
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2009-11-16
Journal Detail:
Title:  Vision research     Volume:  50     ISSN:  1878-5646     ISO Abbreviation:  Vision Res.     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-01-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0417402     Medline TA:  Vision Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  202-10     Citation Subset:  IM    
Affiliation:
Department of Psychology, University of Alberta, Edmonton, Alberta, Canada T6G 2E9. alinda@ualberta.ca
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