Document Detail

What do infants know about continuous quantity?
MedLine Citation:
PMID:  10964457     Owner:  NLM     Status:  MEDLINE    
We investigated infants' sensitivity to amount of continuous quantity and to change in amount of continuous quantity. Using a habituation procedure, Experiment 1 examined whether 6-month-old infants can distinguish between different amounts of liquid in a container. Infants looked significantly longer at a novel quantity than at the familiar quantity. Using a violation-of-expectation paradigm, Experiment 2 examined whether 9-month-old infants expect a change in amount when liquid is added to a hidden container which is already one-fourth full of liquid. Infants looked significantly longer at the impossible event than at the possible event. These findings indicate that infants are sensitive to amount, calling into question claims that infants have a quantitative mechanism which is exclusive to number.
F Gao; S C Levine; J Huttenlocher
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of experimental child psychology     Volume:  77     ISSN:  0022-0965     ISO Abbreviation:  J Exp Child Psychol     Publication Date:  2000 Sep 
Date Detail:
Created Date:  2000-10-05     Completed Date:  2000-10-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  2985128R     Medline TA:  J Exp Child Psychol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  20-9     Citation Subset:  IM    
Copyright Information:
Copyright 2000 Academic Press.
Department of Psychology, University of Chicago, IL 60637, USA.
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MeSH Terms
Child Psychology
Cognition / physiology*
Habituation, Psychophysiologic
Infant Behavior / psychology*

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