TABLE 1.

Group-average response rate (±S.E.M.) during the FR20 sample response requirement in DMTS

Control [2.6 (±0.19)]			Saline [2.7 (±0.19)]
Drug	Responses/Second	Mean (S.E.M.)	Drug	Responses/Second	Mean (S.E.M.)
	mg/kg			mg/kg
Δ9-THC	0.03	3.17 (±0.41)	Rimonabant + Δ9-THC	0.32	2.80 (±0.26)
	0.1	1.3 (±0.26)		1.0	1.51 (±0.48)
				3.2 (n = 1)	1.84
Anandamide	10.0	2.87 (±0.57)	URB597	0.32	2.40 (±0.65)
	17.8	2.34 (±0.41)		1.0	3.53 (±0.42)
	32.2	2.59 (±0.36)		3.2	3.03 (±0.28)
URB597 + Anandamide	10.0	2.1 (±0.50)	Methanandamide	3.2	2.80 (±0.49)
	17.8	2.77 (±0.31)		10.0	2.95 (±0.34)
	32.0 (n = 2)	1.60 (±0.87)		17.8 (n = 1)	2.10