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Gender differences in corpus callosum size in first-episode schizophrenics

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      Abstract

      Previous studies indicate differences between schizophrenics and normals in thickness and overall size of the corpus callosum, particularly in female subjects. The present study compares the area of the corpus callosum as measured by magnetic resonance imaging (MRI) in men and women experiencing first-episode cases of schizophrenia. The corpus callosum area is also correlated with measures of neuropsychological function. The results of this study suggest that women who are first-episode schizophrenic patients have a smaller total corpus callosum area than female controls, with no difference noted for men. In normal controls, a larger corpus callosum was associated with better cognitive function, whereas in schizophrenics, no such relationship emerged.

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