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Related Experiment Videos

Motoric lateralization in schizophrenic males

H A Nasrallah, K Keelor, C Van Schroeder

    The American Journal of Psychiatry
    |August 1, 1981
    PubMed
    Summary

    Schizophrenia patients show higher rates of left-handedness and mixed-handedness. This study investigated handedness variations in males diagnosed with schizophrenia.

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    Area of Science:

    • Neuroscience
    • Psychiatry
    • Human Biology

    Background:

    • Schizophrenia is a complex psychiatric disorder.
    • Handedness, or lateralization, is a well-documented human trait.
    • Previous research suggests potential links between neurological conditions and atypical handedness.

    Purpose of the Study:

    • To investigate the frequency of left-handedness and mixed-handedness in male patients with schizophrenia.
    • To explore potential correlations between schizophrenia and handedness patterns.

    Main Methods:

    • An 8-month observational study was conducted.
    • Eighty-four male patients diagnosed with schizophrenia were assessed.
    • Standardized tests were used to determine handedness (e.g., right-handed, left-handed, mixed-handed).

    Main Results:

    • The study observed a higher prevalence of left-handedness among schizophrenic patients compared to general population estimates.
    • An increased frequency of mixed-handedness was also noted in the patient cohort.
    • Data suggest a significant association between schizophrenia and non-right-handedness.

    Conclusions:

    • The findings indicate a potential link between schizophrenia and atypical patterns of handedness.
    • Further research is warranted to understand the neurobiological underpinnings of this association.
    • Handedness assessment could potentially offer insights into the neurodevelopmental aspects of schizophrenia.

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