A comparison of the reinforcing efficacy of 3, 4-methylenedioxymethamphetamine (MDMA,“ecstasy”) with cocaine in rhesus monkeys
JA Lile, JT Ross, MA Nader - Drug and alcohol dependence, 2005 - Elsevier
Abstract
The purpose of the present study was to compare the reinforcing efficacy of 3, 4-methylenedioxymethamphetamine (MDMA,'ecstasy') to cocaine. Rhesus monkeys (n= 4) responded under a within-session, exponentially increasing, progressive-ratio (PR) …
Last updated: Jul 27, 2020