Table 2.

Spatial extent and magnitude of BOLD signal change in sensorimotor regions of interest

		Controls		Users
		voxels	maximum	voxels	maximum
Left	Motor Cortex	763	9.19	957	8.20
Left	Supplementary Motor Area	181	7.63	228	5.94
Left	Anterior Cingulate Cortex	44	4.40	214	5.14
Left	Caudate	35	5.40	69	5.00
Left	Putamen	145	7.51	105	5.95
Left	Thalamus	165	9.21	307	5.40
Left	Cerebellum	364	7.39	379	5.72
Right	Motor Cortex	24	4.69	464	2.47
Right	Supplementary Motor Area	46	4.90	177	5.10
Right	Anterior Cingulate Cortex	10	4.61	12	4.55
Right	Caudate	37	4.20	66	5.05
Right	Putamen	94	6.27	145	5.82
Right	Thalamus	122	6.37	138	5.72
Right	Cerebellum	753	8.90	932	5.75

The number of voxels that exceeded the p<0.005 threshold (voxels) and the maximum t-value during motor task performance relative to rest are shown for each group.