Document Detail

The developmental course of lexical tone perception in the first year of life.
MedLine Citation:
PMID:  17707789     Owner:  NLM     Status:  MEDLINE    
Perceptual reorganisation of infants' speech perception has been found from 6 months for consonants and earlier for vowels. Recently, similar reorganisation has been found for lexical tone between 6 and 9 months of age. Given that there is a close relationship between vowels and tones, this study investigates whether the perceptual reorganisation for tone begins earlier than 6 months. Non-tone language English and French infants were tested with the Thai low vs. rising lexical tone contrast, using the stimulus alternating preference procedure. Four- and 6-month-old infants discriminated the lexical tones, and there was no decline in discrimination performance across these ages. However, 9-month-olds failed to discriminate the lexical tones. This particular pattern of decline in nonnative tone discrimination over age indicates that perceptual reorganisation for tone does not parallel the developmentally prior decline observed in vowel perception. The findings converge with previous developmental cross-language findings on tone perception in English-language infants [Mattock, K., & Burnham, D. (2006). Chinese and English infants' tone perception: Evidence for perceptual reorganization. Infancy, 10(3)], and extend them by showing similar perceptual reorganisation for non-tone language infants learning rhythmically different non-tone languages (English and French).
Karen Mattock; Monika Molnar; Linda Polka; Denis Burnham
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-08-20
Journal Detail:
Title:  Cognition     Volume:  106     ISSN:  0010-0277     ISO Abbreviation:  Cognition     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-04     Completed Date:  2008-04-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0367541     Medline TA:  Cognition     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  1367-81     Citation Subset:  IM    
School of Communication Sciences & Disorders, McGill University, 1266 Pine Avenue West, Montreal, Que., Canada H3G 1A8.
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MeSH Terms
Age Factors
Child Development / physiology*
Pitch Perception*
Speech Discrimination Tests
Speech Perception*

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

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