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The developmental course of lexical tone perception in the first year of life.

Mattock, Karen and Molnar, Monika and Polka, Linda and Burnham, Denis (2008) The developmental course of lexical tone perception in the first year of life. Cognition, 106 (3). pp. 1367-1381. ISSN 0010-0277

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Abstract

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).

Item Type: Article
Journal or Publication Title: Cognition
Uncontrolled Keywords: tone perception ; lexical tone ; infants' speech perception ; perceptual reorganization
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 31008
Deposited By: Dr Karen J Mattock
Deposited On: 15 Dec 2009 12:00
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 16:52
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/31008

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