Table 4.

Global rCBF* (ml/min/100 gm ± SEM) by task and by drug conditions*

	Placebo	Amphetamine	Paired t across drug	p across drug
WCST	42.8  (1.6)	41.0  (1.6)	−1.48	0.18
WCSC	42.7  (1.4)	41.3  (1.5)	−1.03	0.34
RPM	43.2  (1.3)	43.4  (1.6)	0.63	0.55
RPMC	41.2  (1.5)	42.0  (1.3)	0.49	0.64

*Two-way repeated-measures ANOVA (Drug × Task) was nonsignificant, F_(3,18) = 1.16, p = 0.35; main effect of drug was nonsignificant,F_(1,6) = 0.006, p = 0.94; main effect of task was nonsignificant, F_(3,18) = 0.97, p = 0.43.