TABLE 2.

Brain regions with significant intergroup differences in CBF and CBF connection

Brain region	Cluster size (voxels)	Peak intensity	MNI Coordinates (x, y, z)	CBF values (normalized)
Left insular cortical, rolandic operculum, IFG, STG, and precentral gyrus ( ROI1)	2,306	−4.99	−36, 10, −10	1.05 ± 0.11
Right putamen, thalamus (ROI2)	1910	5.23	18, −18, 10	0.87 ± 0.09
Right MFG, SFG, precentral gyrus (ROI3)	6,199	4.72	34, 32, 50	1.09 ± 0.10
Bilateral MFG, precentral, SFG, SMA	10,536	6.31	−6, 26, 54	1.10 ± 0.09
Right hippocampus	418	−5.6	32, −4, −20	1.10 ± 0.12
Left precentral	323	4.74	−50, −4, 42	1.10 ± 0.13
Left Insula, putamen	690	4.84	−38, 4, 6	1.32 ± 0.14
Left IFG, MFG, SFG	1625	5.25	−38, 24, 32	0.90 ± 0.09
Left MFG	301	5.38	−26, 8, 54	1.10 ± 0.10
Left mSFG, anterior cingulate, SMA	1,141	6.14	−6, 26, 54	1.10 ± 0.11
Right putamen	358	5.43	30, −2, −16	0.95 ± 0.07
Right PCG, calcarine	830	−8.94	22, −58, 18	0.92 ± 0.08
Left SFG, MFG, mSFG, IFG, anterior cingulate	9,368	−6.21	−24, 26, 52	0.94 ± 0.07

Abbreviations: CBF, cerebral blood flow; IFG, inferior frontal gyrus; MFG, middle frontal gyrus, MNI, Montreal Neurological Institute; mSFG, medial superior frontal gyrus; PCG, posterior cingulate gyrus; ROI, region of interest; SFG, superior frontal gyrus; SMA, supplement motor area.