Table 3.

White matter clusters showing increased axial diffusivity in essential tremor vs. healthy control subjects.

	Montreal Neurological Institute coordinates			Cluster size (number of voxels)	P family-wise error-corrected
	x	y	z
Right posterior corona radiata	31	−41	19	749	0.017
Left posterior corona radiata	−28	−38	19	586	0.027
Right superior longitudinal fasciculus	33	−12	23	827	0.017
Left superior longitudinal fasciculus	−34	−16	25	783	0.027
Right fornix (cres)/stria terminalis	29	−25	−8	111	0.017
Left fornix (cres)/stria terminalis	−32	−25	−6	58	0.043
Splenium of the corpus callosum	−9	−38	8	1074	0.045
Right anterior limb of internal capsule	21	21	0	812	0.017
Left anterior limb of internal capsule	−15	14	−2	708	0.027
Right posterior limb of the internal capsule	23	−20	−3	1254	0.017
Left posterior limb of the internal capsule	−24	−18	8	822	0.027
Right retrolenticular region of internal capsule	38	−26	−3	738	0.017
Left retrolenticular region of internal capsule	−33	−36	7	555	0.043
Left posterior thalamic radiation	−32	−39	11	76	0.027

White matter clusters with significantly increased axial diffusivity (P _{family-wise error-corrected} < 0.05) in essential tremor vs. healthy control subjects. Coordinates indicate the location of the cluster peak in Montreal Neurological Institute convention.