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Related Experiment Videos

Speech modification in near-mute schizophrenics

B B Hart

    British Journal of Psychology (London, England : 1953)
    |May 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    This study investigated increasing speech output in male schizophrenic patients using a verbalizing model. The model plus reinforcement group showed the most improvement in verbalizations.

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    Area of Science:

    • Psychology
    • Clinical Psychology
    • Psychiatry

    Background:

    • Schizophrenia is often characterized by negative symptoms, including alogia (poverty of speech).
    • Developing effective interventions to increase speech output in individuals with schizophrenia is a clinical challenge.

    Purpose of the Study:

    • To test if a verbalizing model presented via slides could elicit increased speech output in male schizophrenic patients.
    • To compare the effectiveness of a model-plus-reinforcement condition versus a model-only condition.

    Main Methods:

    • Twelve male patients diagnosed with schizophrenia were divided into three groups: model-plus-reinforcement, model-only, and a control group.
    • Speech output was measured over treatment sessions involving exposure to a verbalizing model.

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    Main Results:

    • All treatment groups showed significant increases in verbalizations over the sessions.
    • The model-plus-reinforcement group exhibited the most substantial improvement in speech output.
    • Generalization of increased speech to the hospital ward setting was observed in only three participants.

    Conclusions:

    • A verbalizing model can serve as an eliciting stimulus to increase speech output in male schizophrenic patients.
    • Reinforcement in conjunction with modeling appears to be a more effective strategy than modeling alone.
    • Further research is needed to enhance the generalization of treatment effects to real-world settings.