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Related Experiment Videos

Language performance in chronic schizophrenia: a pragmatic approach.

Sara R Meilijson1, Asa Kasher, Avner Elizur

  • 1Department of Communication Disorders, Hadassah Academic College, Jerusalem, Israel. saram@hadassah-col.ac.il

Journal of Speech, Language, and Hearing Research : JSLHR
|June 24, 2004
PubMed
Summary

Participants with schizophrenia show significant pragmatic language impairments. Clustering analysis revealed three distinct groups based on the severity and type of these language deficits.

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Area of Science:

  • Linguistics
  • Psychiatry
  • Clinical Psychology

Background:

  • Investigating the language of schizophrenia requires a methodological shift.
  • Pragmatic abilities are crucial for effective communication.
  • Previous research by Prutting and Kirchner (1987) established a pragmatic protocol.

Purpose of the Study:

  • To examine the pragmatic language abilities of individuals with chronic schizophrenia.
  • To profile pragmatic abilities using the pragmatic protocol.
  • To identify distinct subgroups within the schizophrenia population based on language profiles.

Main Methods:

  • Analysis of language in 43 participants with chronic schizophrenia.
  • Utilized the pragmatic protocol for assessment.

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  • Employed statistical clustering analysis to identify parameter and group clusters.

    • Main Results:

    • Schizophrenia participants demonstrated significantly inappropriate pragmatic abilities compared to control groups.
    • Five parameter clusters emerged: Topic, Speech Acts, Turn-Taking, Lexical, and Nonverbal.
    • Three distinct schizophrenia subgroups were identified: minimal impairment, lexical impairment, and interactional impairment.

    Conclusions:

    • The findings support a paradigmatic shift in schizophrenia language research methodology.
    • Pragmatic deficits are a key feature in schizophrenia, varying in type and severity.
    • Results have implications for schizophrenia diagnosis and understanding pragmatic theory.