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Related Experiment Videos

Memory in functional psychosis.

J Cutting

    Journal of Neurology, Neurosurgery, and Psychiatry
    |November 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Acute schizophrenics showed impaired verbal memory, indicating left hemisphere issues. Chronic schizophrenics and depressives had broader memory deficits, suggesting bilateral brain dysfunction.

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    Behavioural neurology·2014

    Area of Science:

    • Neuroscience
    • Psychiatry
    • Cognitive Psychology

    Background:

    • Schizophrenia and depression are complex psychiatric disorders.
    • Understanding cognitive deficits, particularly memory impairments, is crucial for diagnosis and treatment.
    • Hemispheric specialization in cognitive functions is a key area of neurological research.

    Purpose of the Study:

    • To investigate memory function in acute schizophrenic, chronic schizophrenic, and depressive patients.
    • To compare cognitive performance with normal subjects and patients with organic brain disease.
    • To explore potential hemispheric dysfunction (left vs. right) underlying observed memory impairments.

    Main Methods:

    • A cohort of 20 acute schizophrenic, 20 chronic schizophrenic, and 20 depressive patients were recruited.

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  • Participants completed verbal learning tasks (left hemisphere function) and pattern recognition memory tasks (right hemisphere function).
  • Performance was compared against normal controls and six groups with organic brain disease.

    • Main Results:

    • All functional psychotic patients exhibited memory impairments.
    • Acute schizophrenic patients demonstrated deficits specifically in verbal learning tasks, suggesting left hemisphere dysfunction.
    • Chronic schizophrenic and depressive patients showed impairments in both verbal and pattern recognition memory, indicating bilateral dysfunction.

    Conclusions:

    • Memory deficits are prevalent across different psychiatric conditions.
    • Acute schizophrenia may be associated with specific left-hemisphere related cognitive dysfunction.
    • Chronic schizophrenia and depression appear linked to more widespread, bilateral cognitive impairments.