Table 2. Brain regions showing significantly higher rCBF at Ex1 and Ex2 than at Rest.

A. Increased rCBF at Ex1 versus Rest
Region (Brodmann area)	MNI (x, y, z)	Voxel number	Z-score
Cerebellar vermis	2, −52, −18	73	4.18*
Sensorimotor cortex	0, −24, 62	73	4.11*
Supplementary motor area	0, −12, 64	104	3.67
Right cerebellum hemisphere	20, −52, −56	296	3.61
Left cerebellum hemisphere	−28, −56, −46	215	3.67
Left insula cortex	−34, 4, 6	224	3.34

B. Increased rCBF at Ex2 versus Rest
Region (Brodmann area)	MNI (x, y, z)	Voxel number	Z-score
Cerebellar vermis	2, −50, −20	37	4.93*
Sensorimotor cortex	−4, −24, 64	125	4.22
Supplementary motor area	0, −18, 64	43	3.57

MNI, Montreal Neurological Institute; rCBF, regional cerebral blood flow; ROIs, regions of interest.

The brain regions listed showed significant increases in rCBF to P<0.05 (corrected), or to P<0.001 (uncorrected) in ROIs within regions selected a priori based on earlier findings. Within regions selected a priori, a small volume correction was applied. MNI (x, y, z), Montreal Neurological Institute coordinates of maximally increased voxels. The number of voxels per cluster is given (total search volume, 237,778 voxels).

^*Significance surviving correction for multiple comparisons.