Distinct effects of two stresses on the behavioral response to apomorphine

Isolation and intermittent oscillation produced distinct effects on the subsequent stereotypic response to apomorphine in rats. These effects also differed from the effects of intermittent apomorphine and chronic haloperidol pre-treatment. Varying the frequency of oscillation stress changed the magnitude but not the type of the effect. Thus, different types of stress may effect the dopaminergic neurochemical system uniquely.