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Schizophrenia and cerebral laterality.

J H Lee, Y J Lee, S W Oh

    Annals of the Academy of Medicine, Singapore
    |January 1, 1985
    PubMed
    Summary
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    Schizophrenia patients show more reversals in brain structure asymmetry than healthy individuals. These neuroanatomical differences in lateralization may be linked to the condition in some patients.

    Area of Science:

    • Neuroscience
    • Psychiatry
    • Radiology

    Background:

    • Previous research suggests abnormal structural and functional brain lateralization in schizophrenia.
    • Understanding cerebral asymmetry patterns is crucial for schizophrenia research.

    Purpose of the Study:

    • To investigate the pattern of cerebral asymmetry in schizophrenic patients compared to controls.
    • To determine if reversals in neuroanatomical asymmetries are more frequent in schizophrenia.

    Main Methods:

    • Computerized tomography (CT) scans were analyzed for 30 right-handed schizophrenic patients and 30 right-handed controls.
    • The study focused on identifying reversals in cerebral asymmetry patterns.
    • Statistical analysis was performed using the Chi-square method.

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    Main Results:

    • Schizophrenic patients exhibited a significantly higher frequency of frontal and occipital asymmetry reversals compared to controls.
    • The findings indicate a distinct pattern of cerebral asymmetry in the studied schizophrenic cohort.

    Conclusions:

    • Reversals of neuroanatomical asymmetries are more common in schizophrenic patients.
    • Abnormalities in brain lateralization may play a role in the pathophysiology of schizophrenia for some individuals.