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Related Experiment Videos

The role of Swedish tonal word accents in children with language impairment.

Christina Samuelsson1, Anders Löfqvist

  • 1Department of Logopedics, Phoniatrics and Audiology, Lund University, Lund, Sweden. christina.samuelsson@logopedi.lu.se

Clinical Linguistics & Phonetics
|April 29, 2006
PubMed
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Swedish children with language impairment struggle to produce tonal word accents, impacting their speech clarity. Acoustic and perceptual analyses confirm difficulties in distinguishing these crucial speech features.

Area of Science:

  • Linguistics
  • Speech-Language Pathology
  • Developmental Psychology

Background:

  • Swedish is a tonal language where word meaning can change based on pitch.
  • Acquiring tonal accents is crucial for clear communication in tonal languages.
  • Previous research suggests potential difficulties in tonal accent production for children with language impairment.

Purpose of the Study:

  • To investigate the production of Swedish tonal word accents in children with language impairment (LI).
  • To compare accent production in children with LI to age-matched controls.
  • To validate previous findings on tonal accent difficulties in this population.

Main Methods:

  • Acoustic analysis of fundamental frequency (F0) patterns.
  • Perceptual evaluation by naive listeners to assess accent distinctiveness.

Related Experiment Videos

  • Comparison of F0 ratings and perceptual scores between children with LI and controls.

    • Main Results:

    • 60.8% of children with language impairment showed difficulties in producing tonal accent contrasts based on F0 patterns.
    • A significant difference was found in F0 curve ratings between children with LI and their controls.
    • A significant positive correlation existed between acoustic (F0) ratings and perceptual judgments.

    Conclusions:

    • Distinguishing Swedish tonal word accents presents a significant challenge for children with language impairment.
    • Both acoustic and perceptual data indicate difficulties in acquiring and producing these tonal contrasts.
    • The findings underscore the importance of addressing tonal accent production in speech-language interventions for Swedish children.