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Acoustic patterns of an adolescent with multiple articulation errors.

L I Shuster1, D M Ruscello, K B Haines

  • 1Department of Speech Pathology & Audiology, West Virginia University, Morgantown 26506.

Journal of Communication Disorders
|April 1, 1992
PubMed
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This case study reveals an adolescent with multiple articulation errors exhibited longer phrase durations and increased variability compared to peers. An interaction between syntactic and articulatory performance was also observed.

Area of Science:

  • Speech-language pathology
  • Acoustic phonetics
  • Child language acquisition

Background:

  • Articulation errors can impact speech intelligibility and fluency in adolescents.
  • Acoustic analysis provides objective measures of speech production.
  • Previous research (Kent & Forner, 1980; Glasson, 1984) established normative and disordered speech patterns.

Observation:

  • A single adolescent case study focusing on multiple articulation errors.
  • Acoustic analysis examined phrase durations and variability.
  • Comparison made to data from children with normal articulation and speech-language disorders.

Findings:

  • The adolescent subject displayed significantly longer phrase durations than both normative and disordered groups.
  • Increased variability in speech production was noted in the subject compared to reference groups.

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  • A notable interaction between the adolescent's syntactic and articulatory performance was identified.

    • Implications:

    • Findings suggest unique acoustic characteristics in adolescent articulation disorders.
    • Highlights the potential for acoustic analysis to identify subtle speech production differences.
    • Suggests a link between grammatical processing and motor speech control in affected individuals.