Table 1.

Activation region in voluntary contraction only movement

Cluster	functional region	Contralateral					Ipsilateral
		x	y	z	Max t	No.Voxels	x	y	z	Max t	No.Voxels
PrCG	MI	−34	−26	62	12.97	1087
SFG	SMA	−16	−5	71	7.91	986	6	4	66	3.43	356
PoCG	SI	−36	−45	63	7.40	1556	62	−26	36	5.77	684
	SI						62	−26	20	4.89	416
RO, STG	SII	−46	0	6	7.02	285	50	2	6	5.48	202
	SII	−60	8	0	6.37	257	58	8	2	5.36	106
IFG		−58	6	28	4.72	125	58	12	22	4.81	148
Thalamus		−14	−20	8	5.00	184
Caudate		−12	−6	16	4.12	25	14	−8	18	3.65
Pallidum		−26	−12	0	3.91	5
Cerebellum		−34	−54	−26	5.39	208	20	−54	−46	6.74	2656

Coordinates depict voxel with the highest t-value.

Max t: maximum t-score; No. Voxels:, number of voxels; PrCG: primary central gyrus;

SFG: superior frontal gyrus; PoCG: post central gyrus;RO:rolantic operculum;

STG: superior temporal gyrus; IFG: inferior frontal gyrus; MI: primary motor cortex;

SMA: supplementary motor area; SI: primary somatosensory cortex;

SII: secondary somatosensory cortex.