Erowid.org: Erowid Reference 323 : MDMA and d-amphetamine produce comparable effects in pigeons performing under a multiple fixed-ratio interresponse-time-greater-than-t schedule of food delivery : LeSage M, Poling A

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LeSage M, Poling A. “MDMA and d-amphetamine produce comparable effects in pigeons performing under a multiple fixed-ratio interresponse-time-greater-than-t schedule of food delivery”. Pharmacol Biochem Behav. 1997 May-Jun;57(1-2):173-7. <a name="ref">LeSage M, Poling A.</a> <a href="/references/323">"MDMA and d-amphetamine produce comparable effects in pigeons performing under a multiple fixed-ratio interresponse-time-greater-than-t schedule of food delivery"</a> <i>Pharmacol Biochem Behav</i>. 1997 May-Jun;57(1-2):173-7.
Text Abstract (this page) Full Text - English (private) Show Articles by LeSage M Poling A Article IDs Erowid RefID: 323 PubMedID: unknown Collections Hofmann Collection MDMA Collection All References	Abstract The purpose of this study was to gain further information about the behavioral effects of (+/-) 3.4-methylenedioxymethamphetamine (MDMA) on schedule-controlled responding. MDMA (0.32, 0.56, 1.0, 3.2, 5.6, and 10 mg/kg) and d-amphetamine (0.32, 0.56, 1.0, 3.2, 5.6, and 10 mg/kg) were administered to pigeons performing under a multiple fixed-ratio 30 (FR 30) interresponse-time-greater-than-15-s (IRT > 15-s) schedule of food delivery. In general, both drugs had no significant effect on response rates under the IRT > 15-s component at doses that decreased rates under the FR component. Results of the present experiment indicate that under some conditions MDMA and d-amphetamine produce similar, and rate-dependent, effects.
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