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  • Title: A magnetic resonance imaging study of schizophrenia: brain structure and clinical symptoms.
    Author: Young AH, Blackwood DH, Roxborough H, McQueen JK, Martin MJ, Kean D.
    Journal: Br J Psychiatry; 1991 Feb; 158():158-64. PubMed ID: 2012905.
    Abstract:
    Thirty-one patients with schizophrenia and 33 normal control subjects underwent MRI. The BPRS was used to rate clinical symptoms and the NART to estimate pre-morbid IQ. All were right handed. The temporal lobe was significantly smaller on the left than the right in both the control and schizophrenic groups. The amygdala was smaller on the left than the right in controls but not in schizophrenics. The parahippocampal gyrus was smaller on the left side in the schizophrenic group but not in controls. In the schizophrenic group, ventricular enlargement and cerebral atrophy were significantly related to severity of symptoms. Patients with marked negative symptoms had a bilateral reduction in the size of the head of caudate and the two measures were significantly correlated. Patients with marked positive symptoms had larger VBRs and again the clinical and morphometric changes were significantly correlated. There were no morphometric differences between patients with short duration (two years or less) and chronic symptoms.
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