Table 3.

Regions showing the correlation between GM volume and ln(k)

Region	BA	Coordinatesa			T-score	SVC	Cluster sizeb
		X	Y	Z		Corrected P value
Positive correlation
Rt medial frontal gyrus	BA 11	11	46	−17	5.32	0.001	238
Rt orbitofrontal gyrus	BA 11	3	56	−20	3.81	0.005
Lt medial frontal gyrus	BA 9	−12	38	18	5.07	0.001	609
Lt anterior cingulate gyrus	BA 24	−8	31	2	4.51	0.004
Rt anterior cingulate gyrus	BA 32	17	15	33	4.50	0.004	265
Lt middle cingulate gyrus	BA 24	−3	−11	36	4.03	0.01	102
Negative correlation
Lt ventral putamen		−29	11	−8	4.48	0.005	226
Rt ventral putamen		29	17	−5	4.33	0.006	120

L left, R right, BA Brodmann’s area

^aTalairach coordinate (mm), SVC small volume correction (radius = 10 mm from statistical peak) was applied using a reporting criterion of P < 0.05 with family wise error corrected for multiple comparison

^bNo. of voxels