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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Psychopharmacology (Berl). 2014 Oct 5;232(6):1155–1163. doi: 10.1007/s00213-014-3752-6

Figure 1.

Figure 1

Effects of MDMA (“low MDMA” = 0.5 mg/kg, “high MDMA” = 1.0 mg/kg) and placebo on four measures in the three experimental conditions: SOL = solitary, RAP = research assistant present, and OPP = other participant present. Some effects of MDMA (0.5 mg/kg or 1.0 mg/kg) were greater in the OPP condition compared to the other conditions.