Table 3. Effects of nor-BNI on yohimbine and nicotine-induced effects on additional parameters in the 5-CSRTT in Exp.3.

(A) Vehicle. (B) Yohimbine. (C) Nicotine. Values are mean±SEM trials completed, perseverative responses and the latencies for correct responses and to obtain a reward.

	A. Vehicle		B. Yohimbine		C. Nicotine
	Vehicle	Nor-BNI	Vehicle	Nor-BNl	Vehicle	Nor-BNI
Trials completed	85.0 ± 9.8	78.0 ± 15.2	90.0 ± 4.5	97.6 ± 1.7	95.2 ± 3.9	90.2 ± 7.0
Perseverative	10.8 ± 5.3	10.0 ± 2.4	12.1 ± 4.7	15.7 ± 7.6	25.8 ± 12.8	18.4 ± 9.4
Correct latency	0.57 ± 0.05	0.61 ± 0.04	0.54 ± 0.03	0.59 ± 0.03	0.45 ± 0.03	0.46 ± 0.03
Reward latency	2.13 ± 0.37	1.40 ± 0.15	1.59 ± 0.23	1.91 ± 0.34	2.11 ± 0.48	1.86 ± 0.29

^*Different from vehicle (0 dose), p<0.05. Vehicle: n=5, yohimbine: n=7, nicotine: n=5.