Table 1.

Anatomic locations with side, spatial extent of cluster in voxels (Ke), t score, and Z score of striatal areas showing significant values, MNI coordinates

	Side	Cluster size	t value	Z score	MNI coordinates (x, y, z)
Two-samples t test: PD versus HC
Putamen	R	1844	13.56	6.95	32, 0, 0
Caudate	R	Subcluster	9.58	5.95	16, 12, 10
Ventral striatum	R	Subcluster	4.95	4.61	18, 20, −6
Putamen	L	1575	11.14	6.39	−28, −6, −2
Caudate	L	Subcluster	6.58	4,84	−14, 20, −8
Covariance analysis of adaption transfer score
Caudate	R	76	3.7	3.23	16, 8, 14
Putamen	R	219	3.0	2.71	32, 4, −2

L, Left; R, right.