Table 1.

Number of subjects included in each experimental condition in Experiment 1a, 1b and 1c as a function of the different opioid antagonist treatments and ethanol administration (0 or 2.5 g/kg).

	Opioid antagonist treatment	Intragastric Water (0 g/kg)	Intragastric Ethanol (2.5 g/kg)
Exp 1a	Naloxonazine 0 mg/kg	16 (9 male, 7 female)	15 (8 male, 7 females)
	Naloxonazine 7.5 mg/kg	16 (8 male, 8 female)	15 (8 male, 7 females)
	Naloxonazine 15 mg/kg	15 (9 male, 6 female)	15 (7 male, 8 females)
Exp 1b	Naltrindole 0 mg/kg	13 (9 male, 4 female)	13 (6 male, 7 female)
	Naltrindole 2 mg/kg	12 (5 male, 7 female)	14 (8 male, 6 female)
	Naltrindole 4 mg/kg	13 (7 male, 6 female)	13 (6 male, 7 female)
Exp 1c	Nor-binaltorphimine 0 mg/kg	16 (9 male, 7 female)	16 (5 male, 11 female)
	Nor-binaltorphimine 2 mg/kg	16 (10 male, 6 female)	16 (8 male, 8 female)
	Nor-binaltorphimine 4 mg/kg	15 (11 male, 4 female)	16 (4 male, 12 female)
	Nor-binaltorphimine 8 mg/kg	16 (9 male, 7 female)	16 (7 male, 9 females)