Discriminative stimulus effects of 3, 4-methylenedioxymethamphetamine (MDMA) in humans trained to discriminate among d-amphetamine, meta …

Abstract

In animals, two-choice drug discrimination studies have demonstrated that the behavioral effects of 3, 4-methylenedioxymethamphetamine (MDMA) are mediated by dopaminergic and serotonergic systems. In order to delineate the relative role of these systems, three …