Table 2.

Regions showing significant intergroup differences in correlations between the FA values and impulsivity

BIS‐11	Fiber tract	Region	Peak MNI Coordinates			P value (Corrected)	Cluster Size (voxels)
			X	Y	Z
RI	R_CST	Posterior crus of internal capsule	26	−28	4	0.010	222
NI	R_CST	Posterior crus of internal capsule	28	−24	6	0.018	248
		R_Occipital WM	16	−80	−14	0.014	255

BIS‐11, Barratt Impulsiveness Scale 11; CST, corticospinal tract; NI, nonplanning impulsiveness; R, right; RI, raw impulsiveness; WM, white matter.