TABLE 2.

Neuropsychological assessment scores using the CERAD-K battery in participants before and after the intervention.

CERAD-K		20 Hz tVAS	40 Hz tVAS	p-value
Attention	Baseline	1.69 ± 0.29	1.53 ± 0.37	0.732a
	Week 8	1.83 ± 0.28	3.21 ± 1.04
	Change from baseline	0.13 ± 0.21	1.68 ± 0.80	0.015*b
	p-valuec	0.552	0.061
Memory	Baseline	0.82 ± 0.78	1.40 ± 0.59	0.560a
	Week 8	3.41 ± 0.67	2.26 ± 0.87
	Change from baseline	2.59 ± 0.74	0.87 ± 0.57	0.075a
	p-valuec	0.006**	0.156
Language	Baseline	0.55 ± 0.16	0.86 ± 0.13	0.140a
	Week 8	0.87 ± 0.16	0.90 ± 0.11
	Change from baseline	0.32 ± 0.13	0.04 ± 0.10	0.133b
	p-valuec	0.039*	0.707
Visuospatial Function	Baseline	0.12 ± 0.28	−0.54 ± 0.44	0.437a
	Week 8	0.16 ± 0.23	−0.51 ± 0.34
	Change from baseline	0.04 ± 0.38	0.02 ± 0.51	0.541b
	p-valuec	0.917	0.962
Executive Function	Baseline	1.47 ± 0.52	1.13 ± 0.73	0.752a
	Week 8	1.19 ± 0.47	2.84 ± 0.74
	Change from baseline	−0.31 ± 0.47	1.03 ± 0.75	0.217a
	p-valuec	0.545	0.209
TS 1	Baseline	0.31 ± 0.23	0.11 ± 0.23	0.546a
	Week 8	1.12 ± 0.16	0.84 ± 0.29
	Change from baseline	0.82 ± 0.21	0.74 ± 0.27	0.820a
	p-valuec	0.003**	0.018*
TS 2	Baseline	0.38 ± 0.21	0.23 ± 0.21	0.602a
	Week 8	1.17 ± 0.15	0.88 ± 0.25
	Change from baseline	0.79 ± 0.19	0.65 ± 0.23	0.648a
	p-valuec	0.002**	0.017*

^aObtained from an independent t-test.

^bObtained from a Mann–Whitney U test.

^cObtained from a paired t-test. TS 1 and TS 2 are presented as z-score.

*p < 0.05;

*s*p < 0.01.