TABLE 1.

Table of values indicate results of pairwise comparison of active and inactive lever responses between treatment groups with cues on the extinction day indicated

Day:				16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34
Extinction Session:				2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
Cues	Active Lever	Vehicle vs Low DCS	t	3.289			2.802	2.585	2.667	2.436	2.667			2.369	3.303	2.369	2.423	4.413	2.761	2.328	3.161	2.247
			P	0.001			0.006	0.011	0.008	0.015	0.008			0.019	0.001	0.019	0.016	<0.001	0.006	0.021	0.002	0.026
		Vehicle vs High DCS	t					2.734	2.707	2.423	2.276				3.343	2.233		3.425	2.328	2.017	2.815
			P					0.007	0.007	0.016	0.024				0.001	0.027		<0.001	0.021	0.045	0.005
	Inactive Lever	Vehicle vs Low DCS	t																2.153		1.976	2.011
			P																0.032		0.049	0.045
		Vehicle vs High DCS	t															1.976	2.294		2.188
			P															0.049	0.022		0.029

P and t values reported for sessions where maintenance responses were greater than the indicated day of extinction, with unadjusted P < 0.05. “Day” indicates experiment day.