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  • Title: MDA: a psychoactive agent with dual stimulus effects.
    Author: Glennon RA, Young R.
    Journal: Life Sci; 1984 Jan 23; 34(4):379-83. PubMed ID: 6694526.
    Abstract:
    Rats were trained to discriminate injections of either (+)-amphetamine (1.0 mg/kg) or racemic MDA (1.5 mg/kg) from saline in a two-lever drug discrimination task. After stable discrimination performances (greater than 85%) were attained in each group, stimulus generalization studies were conducted. The amphetamine-stimulus generalized to MDA, but not to the hallucinogenic agent DOM; the MDA-stimulus generalized to both amphetamine and DOM. Taken together with our previous finding that DOM-stimulus generalization occurs to MDA but not to amphetamine, the present study suggests that MDA is capable of producing dual stimulus effects in animals. In addition to these salient features, the results of this study also have an impact on stimulus specificity, and further emphasize the importance of thorough dose-response relationships as related to tests of stimulus generalization.
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