Document Detail


Six-month-old infants use motion parallax to direct reaching in depth.
MedLine Citation:
PMID:  23454425     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Recent research shows that young infants are sensitive to motion parallax in visual displays but leaves open the question of whether infants use the information to perceive spatial layout. In this experiment, 6-month-old infants were translated horizontally in front of two objects that were yoked to the infant's movement. One object moved in the same direction as the motion of the infant and the other object moved in the opposite direction. This event provided motion parallax information that the object that moved in the opposite direction was nearer in depth. Infants who viewed the display monocularly reached preferentially to the object that was apparently nearer. A control group of infants who viewed the display binocularly showed no such preference. These results provide the first direct evidence that young infants use the spatial information provided by motion parallax to perceive the relative distance of objects and to direct their actions accordingly.
Authors:
Kirsten Condry; Albert Yonas
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-27
Journal Detail:
Title:  Infant behavior & development     Volume:  36     ISSN:  1934-8800     ISO Abbreviation:  Infant Behav Dev     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-3-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7806016     Medline TA:  Infant Behav Dev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  238-244     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Affiliation:
R.I.T., United States. Electronic address: kcondry@gmail.com.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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