Table 3.

Summary of other neuropsychological test results (CRA = Compound Remote Associates, COWA = Controlled Oral Word Association, CVLT = California Verbal Learning Test, RCF = Rey Complex Figure, RPM = Ravens Progressive Matrices, WCST = Wisconsin Card Sort Test)

Index	n	Prop 40 mg mean ± std dev	Placebo mean ± std dev	t =	Significance p =
CRA Total sum of solution times	72	162.29 ± 18.50	163.08 ± 17.25	0.37	0.72
CRA Number solved correctly	72	13.79 ± 3.99	12.94 ± 3.52	1.57	0.12
CRA Difficult sum of solution times	72	29.21 ± 4.84	30.54 ± 4.12	1.87	0.065
CRA Simple sum of solution times	72	21.22 ± 5.88	21.31 ± 6.00	0.08	0.93
CRA High latency sum of solution times†	24	170.13 ± 15.89	181.33 ± 8.67	3.88	< 0.001*
CRA Medium latency sum of solution times†	24	162.29 ± 15.19	163.27 ± 3.41	0.32	0.75
CRA Low latency sum of solution times†	24	154.44 ± 21.08	144.34 ± 10.68	2.51	0.02*
COWA total words by letter	72	48.43 ± 9.61	44.84 ± 10.4	3.73	0.0004*
COWA total words by category	72	54.1 ± 8.7	53.4 ± 9.0	0.72	0.47
Digit span - total recall forward	72	12.81 ± 2.01	12.24 ± 2.42	2.62	0.011*
Digit span - total recall backward	72	9.63 ± 2.61	8.97 ± 2.77	2.81	0.006*
CVLT words on free recall trial 1	72	7.24 ± 1.93	7.39 ± 2.09	0.57	0.57
RCF 30 minute recall score	72	25.62 ± 5.21	25.48 ± 6.18	0.19	0.85
RPM number correct	72	17.2 ± 1.99	17.2 ± 1.87	0.002	0.998
WCST percent of total errors†	24	22.02 ± 9.98	18.74 ± 7.12	1.33	0.20
WCST total number of perseverative errors†	24	9.08 ± 6.86	7.71 ± 5.50	0.77	0.45

^*= significant results, p < 0.05

^†= between subject comparison