Discriminative Stimulus Effects of Psychostimulants and Hallucinogens in S()-3,4-Methylene-dioxy-meth amphetamine (MDMA) and R()-MDMA Trained Mice K. S. Murnane, N. Murai, L. L. Howell, and W. E. Fantegrossi THE JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS, 2009, Vol. 331, No. 2 Copyright © 2009 by The American Society for Pharmacology and Experimental Therapeutics 156174/3525473 JPET 331:717–723, 2009 Preliminary findings from these experiments were previously presented as follows : Murnane K.S., 2008 Expérimentalement Biology Meeting; San Diego, CA. doi:10.1124/jpet.109.156174. ABSTRACT 3,4-Methylenedioxymethamphetamine (MDMA) is a substituted phenethylamine more commonly known as the drug of abuse “ecstasy.” The acute and persistent neurochemical effects of MDMA in the mice are distinct from those in [...]