Document Detail

Typicality effects in face and object perception: further evidence for the attractor field model.
MedLine Citation:
PMID:  17727115     Owner:  NLM     Status:  MEDLINE    
In a previous study, it was shown that a 50/50 morph of a typical and an atypical parent face was perceived to be more similar to the atypical parent face than to the typical parent face (Tanaka, Giles, Kremen, & Simon, 1998). Experiments 1 and 2 examine face typicality effects in a same/different discrimination task in which typical or atypical faces and their 80%, 70%, 60%, and 50% morphs were presented sequentially (Experiment 1) or simultaneously (Experiment 2). The main finding was that in both modes of presentation, atypical morphs were more poorly discriminated than their corresponding typical morphs. In Experiment 3, typicality effects were extended to the perception of nonface objects; in this instance, it was found that 50/50 morphs of birds and cars were judged to be more similar to their atypical parents than to their typical parents. These results are consistent with an attractor field model, in which it is proposed that the perception of a face or object stimulus depends not only on its fit to an underlying representation, but also on the representation's location in the similarity space.
James W Tanaka; Olivier Corneille
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Perception & psychophysics     Volume:  69     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  2007 May 
Date Detail:
Created Date:  2007-08-30     Completed Date:  2007-10-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  619-27     Citation Subset:  IM    
Department of Psychology, University of Victoria, Victoria, British Columbia, Canada.
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MeSH Terms
Distance Perception*
Reaction Time
Visual Perception*

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