Table 4.

Mean (±SEM) number of prandial and nonprandial fluid lever bouts during each experimental phase

Experimental phase	Prandial		Nonprandial
	KO	WT	KO	WT
Phase 1
Trials
1–4	1.2  (0.2)	1.8  (0.3)	1.1  (0.2)	2.6  (0.7)
5–8	1.0  (0.4)	2.3  (0.7)	1.1  (0.4)	1.8  (0.7)
9–12	1.3  (0.4)	2.6  (0.7)	1.1  (0.6)	2.4  (0.9)
13–16	2.1  (0.7)	3.9  (0.7)	1.4  (0.7)	3.5  (1.4)
17–20	2.3  (0.7)	4.5  (1.1)	1.6  (0.6)	3.5  (1.2)
Phase 2
Ethanol (% v/v)
0	1.5  (0.3)	2.6  (0.6)	0.9  (0.4)	1.2  (0.3)
5	2.3  (0.6)	3.7  (1.1)	1.5  (0.7)	2.5  (0.8)
10	2.4  (0.7)	4.2  (1.0)	1.8  (0.8)	3.4  (1.2)
20	2.2  (0.6)	6.0  (1.0)	1.1  (0.5)	3.6  (0.8)
30	2.7  (0.5)	4.7  (0.6)	1.1  (0.4)	3.0  (0.8)
Phase 3
Ethanol (% v/v)
0	14.1  (4.1)	13.9  (2.2)	6.3  (0.8)	14.4  (3.2)
5	11.3  (1.0)	16.2  (1.9)	8.8  (1.2)	15.7  (2.1)
10	11.4  (0.9)	14.8  (2.1)	8.5  (0.8)	15.6  (2.5)
20	9.6  (1.3)	13.4  (1.6)	5.9  (1.2)	10.3  (2.4)