Table 3.

Neuropsychological results.

	Before intervention	After intervention	Z	p
RAVLT
Trials 1 to 5 total∗	47.46 ± 6.18	54.38 ± 7.34	−2.843b	0.004
List B interference	4.76 ±1.59	6.23 ± 1.36	−1.736b	0.083
Immediate recall∗	9.77 ± 2.20	11.54 ± 1.90	−2.568b	0.001
Delayed recall	10.08 ± 2.66	11.15 ± 2.27	−1.724b	0.085
Verbal fluency (words)
Phonemic	26.60 ± 7.23	29.60 ± 9.43	−1.449b	0.147
Semantic	37.64 ± 4.24	35.21 ± 4.81	−1.749c	0.080
Semantic switching (total responses)∗	14.50 ± 2.21	11.93 ± 2.62	−2.147c	0.032
Semantic switching (total switching)	13.64 ± 2.37	11.36 ± 2.41	−1.891c	0.059
Digit span
Forward	9.14 ± 1.70	9.29 ± 1.49	−0.426b	0.670
Backward∗	7.43 ± 1.10	8.64 ± 1.91	−2.537b	0.011
SDMT
Total	53.43 ± 7.59	56.86 ± 9.53	−1.857b	0.063
CPT II
Omission∗	4.33 ± 3.94	1.18 ± 1.17	−2.386c	0.017
Commission	23.92 ± 10.08	19.81 ± 7.08	−1.532c	0.126
Hit	380.80 ± 56.99	369.48 ± 35.67	−0.533c	0.594
Hit reaction time	6.10 ± 2.66	4.73 ± 1.24	−1.600c	0.110
Variability	10.04 ± 7.23	6.32 ± 1.61	−0.800c	0.424
Detectability	0.42 ± 0.585	0.52 ± 0.33	−1.512c	0.130

^∗Significant statistical difference.

Note: RAVLT, Rey auditory verbal learning test; SDMT, symbol-digit modalities test; CPT, Continuous Performance Task.

^bBased on negative ranks.

^cBased on positive ranks.