Table 3.

Changes in neuropsychological tests assessing memory function.

Test		Group	Week 0 (Baseline)	Week 6	Week 12
Word recall
Immediate recall	Score	P	4.2 ± 0.9	4.8 ± 0.9 **	5.1 ± 1.1 **
		W	4.4 ± 1.0	5.1 ± 0.9 **	5.2 ± 1.0 **
	Changes from baseline	P		0.7 ± 1.3	0.9 ± 1.1
		W		0.8 ± 1.2	0.8 ± 1.3
5-min delayed recall	Score	P	3.6 ± 1.1	4.9 ± 1.3 **	5.3 ± 1.2 **
		W	3.7 ± 1.1	4.7 ± 1.5 **	5.1 ± 1.4 **
	Changes from baseline	P		1.3 ± 1.4	1.7 ± 1.3
		W		1.0 ± 1.9	1.4 ± 1.7
20-min delayed recall	Score	P	4.3 ± 1.2	5.3 ± 1.3 **	5.6 ± 1.4 **
		W	4.2 ± 1.2	5.1 ± 1.6 **	5.4 ± 1.4 **
	Changes from baseline	P		1.0 ± 1.8	1.3 ± 1.6
		W		0.9 ± 1.8	1.2 ± 1.7
Story recall
Immediate recall	Score	P	15.93 ± 2.53	17.65 ± 3.03 **	17.56 ± 2.77 **
		W	15.51 ± 2.55	16.58 ± 2.64 *	16.92 ± 2.52 **
	Changes from baseline	P		1.72 ± 3.71	1.63 ± 3.63
		W		1.07 ± 3.08	1.41 ± 3.38
20-min delayed recall	Score	P	14.39 ± 3.05	16.59 ± 3.45 **	16.63 ± 2.81 **
		W	14.44 ± 2.50	15.88 ± 3.00 **	16.83 ± 2.53 **
	Changes from baseline	P		2.20 ± 3.83	2.24 ± 3.65
		W		1.44 ± 3.51	2.40 ± 3.66
VFT (verbal fluency test)
Beginning with “a”	Score	P	12.1 ± 3.3	13.1 ± 3.6 *	13.7 ± 3.8 **
		W	11.4 ± 4.1	13.2 ± 3.9 **	14.1 ± 4.1 **
	Changes from baseline	P		1.0 ± 2.8	1.7 ± 3.1
		W		1.9 ± 3.3	2.8 ± 3.1
Animal	Score	P	19.5 ± 4.4	19.6 ± 4.7	20.9 ± 3.9 *
		W	18.3 ± 4.1	19.4 ± 4.0 *	20.1 ± 4.6 **
	Changes from baseline	P		0.2 ± 3.7	1.4 ± 3.9
		W		1.2 ± 3.2	1.9 ± 3.9

Data are presented as the mean ± SD for the placebo (P) (n = 50) and whey peptide (W) groups (n = 48). * p < 0.05, ** p < 0.01, performed by paired t-tests (vs. baseline).