Table 1.

Basal levels of extracellular GABA in the ventral pallidum corresponding to each dialysis experiment

Treatment group	n	GABA (pmol/sample)
CTAP	7	6.8 ± 1.4
Morphine	7	5.0 ± 1.4
CTAP plus morphine	6	4.2 ± 0.7
Yoked saline	8	6.0 ± 0.9
Yoked cocaine	6	7.3 ± 1.5
Self-administered cocaine	11	5.5 ± 1.6
Cocaine, reinstate	5	3.9 ± 0.8
Cocaine, no reinstate	6	6.6 ± 1.6
Yoked saline plus morphine	6	5.5 ± 0.5
Yoked cocaine plus morphine	6	6.2 ± 0.8
Self-administered plus morphine	6	6.4 ± 0.5