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Schizotaxia, information processing and the MMPI 2-7-8 code type.

K Nakano, D P Saccuzzo

    The British Journal of Clinical Psychology
    |September 1, 1985
    PubMed
    Summary
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    The 2-7-8 Minnesota Multiphasic Personality Inventory (MMPI) code type indicates schizotaxia. This MMPI profile showed information processing deficits similar to those seen in schizophrenia.

    Area of Science:

    • Psychological assessment
    • Clinical psychology
    • Neuropsychology

    Background:

    • The 2-7-8 MMPI code is theorized to represent schizotaxia, a preclinical state of schizophrenia.
    • Previous research suggests individuals with schizotypal personality traits exhibit cognitive deficits.

    Purpose of the Study:

    • To investigate the relationship between the 2-7-8 MMPI code and schizotaxia.
    • To examine if the 2-7-8 MMPI code is associated with information processing deficits.

    Main Methods:

    • A cohort of college students with the 2-7-8 MMPI code was compared to a control group without this specific MMPI profile.
    • A visual information-processing task was administered to assess cognitive functioning.

    Main Results:

    Related Experiment Videos

    • The 2-7-8 MMPI code group demonstrated significant visual information-processing deficiencies.
    • These deficits were comparable to those observed in individuals diagnosed with schizophrenia and inpatient schizotypal personality disorder.

    Conclusions:

    • The findings support the construct validity of the 2-7-8 MMPI code as a measure of schizotaxia.
    • The 2-7-8 MMPI code may identify individuals at risk for developing schizophrenia or related disorders.