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Neuropsychobiology. 2003;47(3):141-5.

Diffusion tensor magnetic resonance imaging of disruption of regional white matter in schizophrenia.

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Department of Neuropsychiatry, Kansai Medical University, Osaka, Japan.


Diffusion tensor imaging provides a new approach for quantifying anisotropic diffusion of white matter in vivo. We used this technique to investigate subtle disruption of regional white matter in schizophrenia. Twelve patients with schizophrenia were compared with 11 healthy controls. Psychotic symptoms were assessed using the Positive and Negative Syndrome Scale. A significant fractional anisotropy (FA) reduction was found in all white matter regions bilaterally in schizophrenic patients. Higher FA of left frontal white matter correlated significantly with higher dosage of antipsychotic medication. These findings support the view that the pathological process is a distortion of the central nervous system myelination affecting the whole white matter. Our findings also show the effects of antipsychotics on the white matter in the left frontal region in schizophrenia.

[Indexed for MEDLINE]

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