Document Detail

Perception of Mooney faces by young infants: The role of local feature visibility, contrast polarity, and motion.
MedLine Citation:
PMID:  22014473     Owner:  NLM     Status:  Publisher    
We examined the ability of young infants (3- and 4-month-olds) to detect faces in the two-tone images often referred to as Mooney faces. In Experiment 1, this performance was examined in conditions of high and low visibility of local features and with either the presence or absence of the outer head contour. We found that regardless of the presence of the outer head contour, infants preferred upright over inverted two-tone face images only when local features were highly visible (Experiment 1a). We showed that this upright preference disappeared when the contrast polarity of two-tone images was reversed (Experiment 1b), reflecting operation of face-specific mechanisms. In Experiment 2, we investigated whether motion affects infants' perception of faces in Mooney faces. We found that when the faces appeared to be rigidly moving, infants did show an upright preference in conditions of low visibility of local features (Experiment 2a). Again the preference disappeared when the contrast polarity of the image was reversed (Experiment 2b). Together, these results suggest that young infants have the ability to integrate fragmented image features to perceive faces from two-tone face images, especially if they are moving. This suggests that an interaction between motion and form rather than a purely motion-based process (e.g., structure from motion) facilitates infants' perception of faces in ambiguous two-tone images.
Yumiko Otsuka; Harold C H Hill; So Kanazawa; Masami K Yamaguchi; Branka Spehar
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-10-17
Journal Detail:
Title:  Journal of experimental child psychology     Volume:  -     ISSN:  1096-0457     ISO Abbreviation:  -     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985128R     Medline TA:  J Exp Child Psychol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
School of Psychology, University of New South Wales, Sydney, New South Wales 2052, Australia; Department of Psychology, Japan Women's University, Kawasaki, Kanagawa 214-8565, Japan.
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