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. 2016 Feb 12;19(7):pyw016. doi: 10.1093/ijnp/pyw016

Figure 3.

Figure 3.

Mean scores on the state State-Trait Anxiety Inventory (STAI) questionnaire. Participants in group 1 received placebo (green), 1mg salvinorin-A (red), 50mg naltrexone (yellow), and the combination naltrexone+salvinorin-A (blue). Participants in group 2 received placebo (green), 1mg salvinorin-A (red), 40mg ketanserin (yellow), and the combination ketanserin+salvinorin-A (blue). Error bars denote 1 SEM (n=12/group). Significant differences from placebo are denoted as *P < .1, *P<.05, **P<.01, and ***P<.001. Significant differences between salvinorin-A alone and salvinorin-A after pretreatment with an antagonist (naltrexone or ketanserin) are denoted as †P<.05, ††P<.01, and †††P<.001.