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SLI subgroups: interaction between discourse constraints and morphosyntactic deficits

J L Evans1

  • 1Carnegie Mellon University, Pittsburgh, PA, USA.

Journal of Speech and Hearing Research
|June 1, 1996
PubMed
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Children with Specific Language Impairments (SLI) show varied grammar errors based on discourse demands. However, those with both expressive and receptive deficits exhibit stable errors regardless of discourse complexity.

Area of Science:

  • Linguistics
  • Developmental Psychology
  • Speech-Language Pathology

Background:

  • Specific Language Impairment (SLI) affects language development in children.
  • Grammatical deficits in SLI can vary based on linguistic context.
  • Discourse complexity may influence the manifestation of morphosyntactic errors.

Purpose of the Study:

  • To investigate how discourse demands impact morphosyntactic deficits in children with SLI.
  • To differentiate deficit patterns within SLI subgroups based on receptive language abilities.
  • To examine the role of spontaneous discourse in revealing distinct SLI profiles.

Main Methods:

  • Employed a performance-based model to assess morphosyntactic skills.
  • Manipulated discourse demands during language tasks.

Related Experiment Videos

  • Analyzed patterns of grammatical errors in relation to discourse complexity and receptive language levels.

    • Main Results:

    • Grammatical error patterns varied with discourse demands for children with good receptive language.
    • Children with both expressive and receptive deficits showed stable error patterns irrespective of discourse demands.
    • Distinct deficit profiles emerged for SLI subgroups based on receptive abilities, particularly within spontaneous discourse.

    Conclusions:

    • Receptive language abilities significantly influence the variability of morphosyntactic deficits in SLI under different discourse demands.
    • A subgroup of children with SLI exhibits consistent grammatical deficits not modulated by discourse complexity.
    • Assessing syntactic skills within spontaneous discourse provides a more nuanced understanding of SLI heterogeneity.