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Solomon H. Snyder, MD

Arch Gen Psychiatry. 1972;27(2):169-179.

Abstract
Amphetamine psychosis appears to be a fruitful experimental model of paranoid schizophrenia or paranoid state. A variety of animal and human studies suggest that neurochemical mediation of certain behavioral effects of amphetamine in animals may reflect such mechanisms in human amphetamine psychosis. Specifically, locomotor stimulation appears attributable to central norepinephrine and stereotyped behavior to dopamine, while experiments with amphetamine isomers in man suggest a dopamine mediation of human amphetamine psychosis.

Pharmacological and stereochemical evidence suggests that clinical efficacy of phenothiazine drugs in the treatment of schizophrenia may be related to blockade of dopamine receptors. Taken together, these findings provoke the speculation that specific and distinct effects of amphetamines on dopamine and norepinephrine neurons may combine to account for major symptoms of amphetamine psychosis.

Author Affiliations
Baltimore

From the Department of Pharmacology and Experimental Therapeutics, Johns Hopkins University School of Medicine, Baltimore.

Footnotes
Accepted for publication Dec 1, 1971.

Reprint requests to 725 N Wolfe St, Baltimore, Md 21205 (Dr. Snyder).

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