Table 1.

Total number of neurons recorded per rat in the core and the shell

Rat	Target	Core	Shell
1	Core and shell	57	39
2	Core and shell	24	34
3	Core and shell	144	34
4	Core and shell	58	10
5	Core and shell	14	15
6	Core and shell	28	63
7	Core	73	0
8	Core	8	0
9	Core	72	0
10	Shell	0	198
11	Shell	0	59
12	Shell	0	53
Total		478	505
Total >0.03 Hz		456	484