Table 1.

Shaping procedure

Stage	Center poke time	5 μL	10 μL	20 μL	40 μL	80 μL	Reward delay	Reward probability	Blocks
1	Increment to 1s			X			0	1
2	1s			X	X		0	1
3	1s	X		X	X		0	1
4	1s	X		X	X	X	0	1
5	1s	X	X	X	X	X	0	1
6	Variable (0.8–1.2 s)	X	X	X	X	X	Increment to 1.5 s	1
7	Variable (0.8–1.2 s)	X	X	X	X	X	Variable (from exponential)	0.85
8	Variable (0.8–1.2 s)	X	X	X	X	X	Variable (from exponential)	0.65–0.85	X