Table 4.

Subtraction analysis of differently activated areas after anodal and cathodal tDCS

	Talairach coordinates in MNI space
Region	Side	x	y	z	Z-value
(Anodal – sham) > (cathodal – sham)
Post-central sulcus	R	40	−32	44	5.01
Dorsal premotor cortex	R	20	−14	64	6.48
Ventral premotor cortex	R	50	2	28	5.85
	L	−34	10	32	5.95
Cingulate sulcus	R	6	−8	42	6.51
Pre-SMA	L	−4	12	66	6.09
Prefrontal cortex	R	38	46	22	5.45
	L	−44	38	2	4.88
Inferior parietal cortex	R	52	−74	34	5.37
Intraparietal cortex	R	34	−70	28	4.88
Precuneus	R	10	−60	40	5.86
Superior temporal gyrus	L	−62	−36	22	5.31
Superior temporal sulcus	L	−56	−28	4	6.4
Inferior temporal sulcus	R	50	−50	−6	6.32
Superior occipital sulcus	L	−6	−82	44	6.16
Cerebellum (Crl)	R	50	−74	−42	5.29
Thalamus	R	12	−20	2	7.57
(Cathodal – sham) > (anodal – sham)
Superior temporal gyrus	R	68	0	0	5.13
Superior temporal sulcus	R	62	−16	−8	5.5
	R	56	18	−22	4.95
Insula	R	44	2	−8	5.39
	R	12	70	16	5.49
Posterior cingulate gyrus	L	−8	−44	24	5.87
Inferior occipital lobe	R	30	−52	−8	6.18

All voxels are significant at P < 0.05 (corrected for multiple comparisons across whole brain). L, left; R, right; SMA, supplementary motor area.