Naloxone alters the effects of LSD, DOM and quipazine on operant behavior of rats.
Pharmacology, biochemistry, and behavior September 1984 David J. Mokler, Randall L. Commissaris, J W Henck et al.
Administration of the indolealkylamine hallucinogen d-lysergic acid diethylamide (LSD), the phenethylamine hallucinogen 2,5-dimethoxy-4-methylamphetamine (DOM) and the putative 5-hydroxytryptamine (5-HT) agonist quipazine all produced a dose-dependent decrease in fixed ratio (FR-40) response rates and a concomitant increase in the number of 10-second pause intervals. Although naloxone (4.0...