Document Detail


Same items, different order: Effects of temporal variability on infant categorization.
MedLine Citation:
PMID:  21382616     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
How does variability between members of a category influence infants' category learning? We explore the impact of the order in which different items are sampled on category formation. Two groups of 10-months-olds were presented with a series of exemplars to be organized into a single category. In a low distance group, the order of presentation minimized the perceptual distance between consecutive exemplars. In a high distance group, the order of presentation maximized the distance between successive exemplars. At test, only infants in the High Distance condition reliably discriminated between the category prototype and an atypical exemplar. Hence, the order in which infants learnt about the exemplars impacted their categorization performance. Our findings demonstrate the importance of moment-to-moment variations in similarity during infants' category learning.
Authors:
Emily Mather; Kim Plunkett
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-5
Journal Detail:
Title:  Cognition     Volume:  -     ISSN:  1873-7838     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0367541     Medline TA:  Cognition     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Department of Experimental Psychology, University of Oxford, United Kingdom.
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