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Related Experiment Videos

Prognostic indicators for stuttering: the value of computer-based speech analysis.

Sibylle Brosch1, Andrea Häge, Helge S Johannsen

  • 1Section of Phoniatrics and Pediatric Audiology, University Otorhinolaryngology Clinic, University of Ulm, Germany. sibylle.brosch@medizin.uni-ulm.de

Brain and Language
|August 15, 2002
PubMed
Summary

Predicting childhood stuttering remains challenging. This study found no definitive acoustic markers in fluent speech to forecast disfluency, though persistent stuttering showed speech variability.

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Area of Science:

  • Speech-language pathology
  • Acoustic phonetics
  • Child development

Background:

  • Accurate prediction of childhood stuttering progression is lacking.
  • Current methods do not reliably identify children at risk for chronic disfluency.
  • Acoustic analysis of fluent speech offers a potential, yet unexplored, predictive avenue.

Purpose of the Study:

  • To investigate the predictive value of acoustic parameters in fluent utterances for the course of stuttering in preschool children.
  • To explore correlations between acoustic variables, stuttering severity, and long-term outcomes.
  • To identify potential acoustic markers differentiating persistent stuttering from temporary disfluency.

Main Methods:

  • Prospective longitudinal study design.

Related Experiment Videos

  • Analysis of 57 preschool children with stuttering, assessed at 6-month intervals over 4.6 years.
  • Computer-based acoustic analysis of fluent speech samples.

    • Main Results:

    • No distinct acoustic characteristics clearly predicted the course of stuttering.
    • A subgroup of children with persistent disfluency at study end exhibited more variable acoustic values across parameters and time points.
    • This variability suggests differences in speech control mechanisms for chronic stuttering.

    Conclusions:

    • Current acoustic analyses of fluent speech do not provide reliable predictors for childhood stuttering.
    • Speech control appears to differ in children with chronic stuttering compared to those who recover.
    • Further research into speech motor control in persistent stuttering is warranted.