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Related Experiment Videos

Language behaviour in acute and chronic schizophrenia.

R M Williams, D R Hemsley, C Denning-Duke

    The British Journal of Social and Clinical Psychology
    |February 1, 1976
    PubMed
    Summary

    This study tested Broen's theory on schizophrenics' verbal response bias. Chronic schizophrenics exhibited a greater dominant response bias than acute patients, supporting the theory of a learned defense mechanism.

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    Area of Science:

    • Psychology
    • Psychiatry
    • Cognitive Science

    Background:

    • Schizophrenia is a complex mental disorder affecting cognition and behavior.
    • Broen's (1968) theory posits a dominant verbal response bias as a defense mechanism in schizophrenia.
    • Understanding response biases is crucial for schizophrenia treatment and research.

    Purpose of the Study:

    • To empirically test Broen's (1968) prediction regarding dominant verbal response bias in schizophrenia.
    • To investigate differences in response bias between acute and chronic non-paranoid schizophrenic patients.
    • To explore the relationship between response bias and illness chronicity in schizophrenia.

    Main Methods:

    • A group of 40 hospitalized schizophrenic patients participated in the study.
    • Patients were assessed on measures of dominant verbal response bias using two language tasks.
    • A subgroup of chronic patients was compared to a matched subgroup of acute patients.
    • Correlational analysis examined the relationship between bias scores and indices of chronicity.

    Main Results:

    • Chronic schizophrenic patients demonstrated an abnormal dominant response bias on language tasks.
    • This bias was significantly greater in chronic patients compared to acute patients matched for verbal IQ and symptomatology.
    • A trend indicated a greater dominant response bias with increasing schizophrenia chronicity.

    Conclusions:

    • The findings support Broen's (1968) theory of dominant response bias in schizophrenia.
    • Dominant response bias may represent a learned defense against aversive response interference, particularly in acute schizophrenia.
    • Further research is warranted to explore the clinical implications of response bias in schizophrenia management.

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