Table 1.

Inactive lever presses during the reinstatement tests (mean±sem per 1 h). Decimal numbers are rounded to whole numbers.

	1 day	1 week	1 month
Exp. 1
Between-subjects
Context B	2±1	1±0	3±0
Context A	5±2	7±2	5±2
Within-subjects
Context B	2±1		3±1
Context A	5±2		3±1
Exp. 2
Between-subjects
No cue	2±1	1±0	1±0
Cue	1±0	1±0	2±1
Within-subjects
No cue	2±1		3±1
Cue	1±0		4±1
Exp. 3
Between-subjects
0 mg/kg	2±1	2±1	1±1
0.25 mg/kg	4±1	7±3	2±1
0.5 mg/kg	7±2	7±2	2±1
Within-subjects
0 mg/kg	2±1		4±1
0.25 mg/kg	4±1		3±1
0.5 mg/kg	7±2		5±2