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Children's processing of prosodic cues for phrasal interpretation

C M Beach1, W F Katz, A Skowronski

  • 1University of California, San Diego, La Jolla 92093, USA.

The Journal of the Acoustical Society of America
|February 1, 1996
PubMed
Summary

Children as young as 5 years old use acoustic cues like word duration and pitch (fundamental frequency contours) to understand sentence structure. Their interpretation processes mirror adult patterns, best explained by the fuzzy logical model.

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Area of Science:

  • Psycholinguistics
  • Developmental Psychology
  • Acoustic Phonetics

Background:

  • Understanding how listeners interpret syntactic phrases is crucial for psycholinguistics.
  • Acoustic-prosodic cues, such as duration and intonation, play a significant role in disambiguating sentence structure.
  • Previous research has explored adult processing, but developmental aspects in children are less understood.

Purpose of the Study:

  • To investigate how children and adults use acoustic-prosodic information for phrasal interpretation.
  • To compare child and adult processing mechanisms with computational models.
  • To determine the developmental trajectory of syntactic phrase interpretation.

Main Methods:

  • Synthetic speech was used to manipulate word duration and fundamental frequency (F0) contours.

Related Experiment Videos

  • Listeners (adults, 5-year-olds, 7-year-olds) identified the intended phrasal interpretation of ambiguous sentences by selecting matching pictures.
  • Subject performance was compared against predictions from non-independent and independent cue-evaluation models (additive, fuzzy logical).

    • Main Results:

    • Both adult and child listeners utilized duration and intonation cues for phrasal interpretation.
    • Listener performance was best explained by the fuzzy logical model, indicating independent cue evaluation with cue trading.
    • Five-year-old children demonstrated adultlike processing of acoustic-prosodic information for syntactic interpretation.

    Conclusions:

    • Children as young as five years old can utilize acoustic-prosodic cues for syntactic phrase interpretation.
    • The processing of these cues in children appears to be similar to that of adults.
    • The fuzzy logical model provides a robust framework for understanding how acoustic information is integrated during phrasal interpretation across age groups.