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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 2.

Figure 2

Effects of MDMA (0.5 mg/kg, 1.0 mg/kg or placebo) on the proportion of time participants engaged in social behavior, either interacting (verbal and nonverbal) or talking (RAP and OPP data combined). The participants’ activities were rated every 1.5 minutes across the 4-hour session by raters blind to the conditions. An * denotes significantly different than placebo (p < 0.05). An § denotes high MDMA significantly different than low MDMA (p < 0.05). There were no dose-related differences between the RAP and OPP groups.