Document Detail

An electrophysiological study of infants' sensitivity to the sound patterns of English speech.
MedLine Citation:
PMID:  9712134     Owner:  NLM     Status:  MEDLINE    
The study explores 10- to 11-month-old infants' sensitivity to the phonological characteristics of their native language. Event-related potentials (ERPs) were obtained for tones that were superimposed on two versions of a story: an Unmodified version containing normal English function morphemes, and a Modified version in which the prosodic and segmental properties of a subset of function morphemes were changed to make them atypical. The 11-month-olds exhibited significantly lower amplitude ERPs to the tones during the Modified story than to the Unmodified story, whereas the 10-month-olds showed no differences. These results suggest that the 11-month-olds discriminated the two versions of the story based on their representations of the phonological properties of English. Further, the tone-probe ERP method can successfully be used to study the development of speech perception in the pre-linguistic infant.
V L Shafer; D W Shucard; J L Shucard; L Gerken
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Journal of speech, language, and hearing research : JSLHR     Volume:  41     ISSN:  1092-4388     ISO Abbreviation:  J. Speech Lang. Hear. Res.     Publication Date:  1998 Aug 
Date Detail:
Created Date:  1998-10-22     Completed Date:  1998-10-22     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  9705610     Medline TA:  J Speech Lang Hear Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  874-86     Citation Subset:  IM    
Hofstra University, Hempstead, NY 11550, USA.
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MeSH Terms
Child Development
Child Language
Evoked Potentials*
Language Development*
Speech Acoustics
Speech Perception / physiology*
Grant Support

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