Mesocorticolimbic Dopaminergic Neurons / Table 1

TABLE 1. Acquisition and retention of a delayed alternation task. Effect of different DA terminal regions in corticolimbic systems

	Errors in the 60 first trials
	(mean ± SEM)		Trials for learning criterion
Group	Preoperative	Postoperative	Preoperative	Postoperative
Control	17.6 ± 0.9	6.9 ± 8.4	190.0 ± 8.4	86.7 ± 11.4
Anterior striatum	17.2 ± 0.7	18.2 ± 3.0**,a	183.3 ± 46.4	2132.3 ± 46.4*,a
Prefrontal cortex	17.6 ± 0.9	17.3 ± 2.7**,a	193.3 ± 16.1	153.3 ± 27.7*,a
Nucleus accumbens	17.3 ± 1.2	14.2 ± 1.2**,a	160.0 ± 12.7	192 ± 42.7*,a

a Nonsignificantly different from preoperative measures.

Student’s t-test: * p < 0.01; ** p < 0.001.

published 2000