Document Detail

Belief attribution in deaf and hearing infants.
MedLine Citation:
PMID:  22925511     Owner:  NLM     Status:  In-Data-Review    
Based on anticipatory looking and reactions to violations of expected events, infants have been credited with 'theory of mind' (ToM) knowledge that a person's search behaviour for an object will be guided by true or false beliefs about the object's location. However, little is known about the preconditions for looking patterns consistent with belief attribution in infants. In this study, we compared the performance of 17- to 26-month-olds on anticipatory looking in ToM tasks. The infants were either hearing or were deaf from hearing families and thus delayed in communicative experience gained from access to language and conversational input. Hearing infants significantly outperformed their deaf counterparts in anticipating the search actions of a cartoon character that held a false belief about a target-object location. By contrast, the performance of the two groups in a true belief condition did not differ significantly. These findings suggest for the first time that access to language and conversational input contributes to early ToM reasoning.
Marek Meristo; Gary Morgan; Alessandra Geraci; Laura Iozzi; Erland Hjelmquist; Luca Surian; Michael Siegal
Publication Detail:
Type:  Journal Article     Date:  2012-05-17
Journal Detail:
Title:  Developmental science     Volume:  15     ISSN:  1467-7687     ISO Abbreviation:  Dev Sci     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9814574     Medline TA:  Dev Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  633-40     Citation Subset:  IM    
Copyright Information:
© 2012 Blackwell Publishing Ltd.
Department of Psychology, University of Gothenburg, Sweden Department of Language & Communication Science, City University London, UK Department of Cognitive Sciences and Education and Center for Mind/Brain Sciences, University of Trento, Italy Department of Psychology, University of Trieste, Italy Department of Psychology, University of Sheffield, UK.
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