Plasma homovanillic acid in schizotypal personality disorder.

Siever, L J; Amin, F; Coccaro, E F; Bernstein, D; Kavoussi, R J; Kalus, O; Horvath, T B; Warne, P et al. · Am J Psychiatry · 1991

case_control · Level III

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Abstract

Schizotypal patients were found to have a significantly higher mean plasma HVA concentration than normal comparison subjects. Furthermore, plasma HVA concentration positively correlated with "psychotic-like" schizotypal symptoms. These results implicate dopaminergic mechanisms modulating the psychotic-like symptoms of schizotypal personality disorder.

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