Table 5.

Conjunction analysis of commonly activated areas after anodal and cathodal tDCS

	Talairach coordinates in MNI space
Region	Side	x	y	z	Z-value
(Cathodal – sham) and (anodal – sham)
Post-central gyrus	L	−56	−12	52	6.7
Deep central sulcus	R	30	−26	58	6.35
Frontopolar cortex	R	42	62	−8	7.01
Caudal cingulate sulcus	R	2	−18	48	5.89
Superior temporal sulcus	R	50	−32	4	5.09
Intraparietal sulcus	R	36	−84	40	6.01
Cuneus	L	−8	−86	18	5.56
Cerebellum (VI)	L	−22	−74	−20	5.07
	R	12	−82	−20	5.56
Cerebellar vermis		−2	−52	−18	5.75
(Sham – cathodal) and (sham – anodal)
Medial prefrontal cortex	L	−2	36	50	6.45
	R	8	60	36	5.58
Anterior orbitofrontal cortex	L	−16	62	−14	5.92
	R	18	50	−18	5.62
Ventral premotor cortex	R	50	6	12	5.55
Cerebellum (IV)	R	16	−40	−16	5.76
Putamen	L	−22	8	10	6.08
Caudate head	L	−4	12	0	4.96

Voxels which are significant for the conjunction of (anodal vs. sham) and (cathodal vs. sham). All voxels are significant at P < 0.05 (corrected for multiple comparisons across whole brain). L, left; R, right.