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Measuring phonology in babble and speech

C Stoel-Gammon1

  • 1Department of Speech and Hearing Sciences, University of Washington, Seattle.

Clinics in Communication Disorders
|March 1, 1994
PubMed
Summary

Early speech sound production, specifically consonant use in prelinguistic vocalizations, can identify children at risk for speech and language disorders. These early measures correlate with later development.

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Area of Science:

  • Speech-Language Pathology
  • Developmental Psychology
  • Linguistics

Background:

  • Assessing early speech and language development is crucial for identifying potential disorders.
  • Prelinguistic vocalizations and early phonological skills are key indicators of developmental trajectories.

Purpose of the Study:

  • To describe and illustrate methods for measuring prelinguistic vocalizations.
  • To evaluate the predictive value of early phonological development measures for later outcomes.
  • To discuss measures of meaningful speech production and their correlation with disorder severity.

Main Methods:

  • Procedures for measuring prelinguistic vocalizations, including consonant-vowel syllables.
  • Analysis of consonant production in prelinguistic stages.
  • Development and application of three distinct measures for meaningful speech, focusing on accuracy and error patterns.

Main Results:

  • Limited consonant production in prelinguistic vocalizations is a significant risk indicator for speech and language disorders.
  • The production of supraglottal consonants in consonant-vowel syllables correlates with subsequent speech and language development.
  • Measures of meaningful speech production correlate with the severity of speech involvement, though the link to intelligibility requires further investigation.

Conclusions:

  • Prelinguistic consonant production serves as a valuable early screening tool for identifying at-risk children.
  • Early phonological assessment provides insights into developmental trajectories and potential intervention needs.
  • Further research is needed to clarify the relationship between meaningful speech measures and overall speech intelligibility.

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