Table 3.

Baseline response rates in socially housed female monkeys.

Food-Maintained Responding Prior to Cocaine Acquisition
Social Rank		Response Rate (resp/sec)	Response Rates [Mean ± SEM]	# Pellets	# Pellets [Mean ± SEM]
Dominant	1	0.74 ± 0.25	0.75 ± 0.17	14.20 ± 0.83	14.0 ± 0.56
	2	0.75 ± 0.27		13.80 ± 0.79
Subordinate	3	1.09 ± 0.28	0.91 ± 0.18	15.00 ± 0.00	15.0 ± 0.0
	4	0.78 ± 0.26		15.00 ± 0.00

Saline-Maintained Responding Prior to Cocaine Acquisition
Social Rank		Response Rate (resp/sec)	Response Rates [Mean ± SEM]	# Injections	# Injections [Mean ± SEM]
Dominant	1	0.19 ± 0.09	0.11 ± 0.05	16.50 ± 5.94	10.0 ± 3.72
	2	0.03 ± 0.01		3.58 ± 1.29
Subordinate	3	0.10 ± 0.03	0.09 ± 0.01	10.33 ± 3.21	9.2 ± 1.44
	4	0.08 ± 0.01		8.42 ± 1.26