Table 3.

Cognitive function through attention switching task (AST) for active and sham groups for posterior parietal cortex (PPC).

	Active			Sham
Variable	Pre ± SD	Post ± SD	P-value	Pre ± SD	Post ± SD	P-value
AST Congruency cost (Mean, correct)	77.2 ± 70.0	112.8 ± 82.4	0.51	84.9 ± 56.2	61.9 ± 32	0.32
AST Switching cost (Mean, correct)	217.2 ± 151	252.8 ± 118	0.54	224.0 ± 117	236.6 ± 60	0.62
AST Mean correct latency	619 ± 113	599 ± 108	0.62	623 ± 157	595 ± 155	0.52
AST Mean correct latency (congruent)	602 ± 103	581 ± 96	0.67	604 ± 156	616 ± 143	0.62
AST Mean correct latency (incongruent)	703 ± 134	658 ± 143	0.08	708 ± 166	697 ± 168	0.84
AST Mean correct latency (blocks 3, 5) [non-switching blocks]	568 ± 66	549 ± 100	0.43	603 ± 152	598 ± 150	0.82
AST Mean correct latency (block 7) [switching block]	748 ± 187	731 ± 156	0.37	740 ± 179	734 ± 166	0.82
AST Percent correct trials	95.4 ± 2.7	94.1 ± 2.2	0.43	88.6 ± 9.7	95.8 ± 2.5	0.16