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Language dysfunction in schizophrenia

R Faber, M B Reichstein

    The British Journal of Psychiatry : the Journal of Mental Science
    |December 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Formal thought disorder in schizophrenia shares similarities with language impairments seen in aphasia. Schizophrenic patients exhibited deficits in language comprehension and repetition, particularly on the Token Test.

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    Area of Science:

    • Neuroscience
    • Psychiatry
    • Linguistics

    Background:

    • Formal thought disorder is a core symptom in schizophrenia, characterized by disorganized speech and thinking.
    • Aphasia, a language disorder resulting from brain damage, presents with difficulties in language production and comprehension.

    Purpose of the Study:

    • To investigate potential linguistic similarities between formal thought disorder in schizophrenia and language deficits in aphasia.
    • To identify specific language impairments in schizophrenic patients that may overlap with aphasic symptoms.

    Main Methods:

    • Administered eight sub-tests from the Boston Diagnostic Aphasia Examination, a picture naming test, and the Token Test.
    • Compared language performance in 24 schizophrenic patients against 5 manic, 5 depressed patients, and 28 healthy controls.

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    Main Results:

    • Schizophrenic patients with formal thought disorder demonstrated significant abnormalities compared to all other groups.
    • Deficits were particularly pronounced on the Token Test and the repetition of phrases test, indicating language comprehension and repetition impairments.

    Conclusions:

    • Formal thought disorder in schizophrenia shows notable overlap with language disorders observed in aphasia.
    • Language comprehension and repetition dysfunctions are present in a significant minority of rigorously defined schizophrenic individuals.