Document Detail

When do infants expect hands to be connected to a person?
MedLine Citation:
PMID:  20864118     Owner:  NLM     Status:  MEDLINE    
A violation-of-expectation paradigm was used to test whether infants infer a person based on the presence of hands alone. Infants were familiarized to a pair of hands that extended out from a curtain to play with a rattle, after which the curtain was opened to reveal either a real person or a mannequin. Infants' looking at these outcomes was compared with baseline looking at the person and the mannequin. Experiment 1 showed that 9-month-olds looked significantly longer at the mannequin than at the person after familiarization to hands. Experiment 2 ruled out a low-level feature matching interpretation by showing the same looking pattern in 9-month-olds even when the hands were covered with silver gloves. In Experiment 3, 6-month-olds showed no differential looking at the mannequin and person after familiarization to hands. Taken together, these experiments suggest that infants acquire the expectation that hands are connected to a person between 6 and 9 months of age. This finding has implications for how infants' attribute goals to manual actions.
Virginia Slaughter; Michelle Heron-Delaney
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-22
Journal Detail:
Title:  Journal of experimental child psychology     Volume:  108     ISSN:  1096-0457     ISO Abbreviation:  J Exp Child Psychol     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-10-19     Completed Date:  2011-01-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985128R     Medline TA:  J Exp Child Psychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  220-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Early Cognitive Development Unit, School of Psychology, University of Queensland, Brisbane QLD 4072, Australia.
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MeSH Terms
Child Development
Motor Activity
Visual Perception*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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