Age-related changes in acoustic modifications of Mandarin maternal speech to preverbal infants and five-year-old children: A longitudinal study

Huei Mei Liu, Feng Ming Tsao, Patricia K. Kuhl

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Acoustic-phonetic exaggeration of infant-directed speech (IDS) is well documented, but few studies address whether these features are modified with a child's age. Mandarin-speaking mothers were recorded while addressing an adult and their child at two ages (0 ; 71 ; 0 and 5 ; 0) to examine the acoustic-phonetic differences between IDS and child-directed speech (CDS). CDS exhibits an exaggeration pattern resembling that of IDS expanded vowel space, longer vowels, higher pitch and greater lexical tone differences when compared to ADS. Longitudinal analysis demonstrated that the extent of acoustic exaggeration is significantly smaller in CDS than in IDS. Age-related changes in maternal speech provide some support for the hypothesis that mothers adjust their speech directed toward children as a function of the child's language ability.

Original languageEnglish
Pages (from-to)909-922
Number of pages14
JournalJournal of Child Language
Volume36
Issue number4
DOIs
Publication statusPublished - 2009 Sep 1

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ASJC Scopus subject areas

  • Language and Linguistics
  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Psychology(all)

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