Table 2.

Null activity levels (mAmp displacement) in mice treated with vehicle, salvinorin A, or RB-64.

Treatment	Null Activity (mAmp displacement)
10% Tween Vehicle	11.16 ± 4.34
salvinorin A
0.25 mg/kg	19.44 ± 5.83
0.5 mg/kg	28.79 ± 3.99*
1.0 mg/kg	13.63 ± 3.65
2.0 mg/kg	13.76 ± 3.65
RB-64
0.005 mg/kg	8.22 ± 3.73
0.01 mg/kg	16.81 ± 4.4
0.05 mg/kg	64.89 ± 10.88*
0.1 mg/kg	51.6 ± 12.16*

^*p < 0.05 compared to vehicle controls.