Table 2.

Basal ganglia and thalamus clusters with locally altered shape in participants with xenomelia compared to control men.

Altered shape	# Voxels	Error	MNI coordinates
Structure	(1 × 1 × 1 mm3)	Probability	x	y	z
Thickening in xenomelia
Left pallidum	51	0.039	− 24	− 4	0
Right pallidum	139	0.057 ⁎	27	− 11	2
Left thalamus	87	0.029	− 12	− 3	9
Left thalamus	27	0.043	− 17	− 8	10
Thinning in xenomelia
Left pallidum	107	0.051 ⁎	− 18	− 7	3
Left caudate nucleus	36	0.060 ⁎	− 12	− 2	13
Left putamen	323	0.005	− 21	− 2	7
Right putamen	154	0.063 ⁎	23	− 4	6
Right putamen	2	0.098 ⁎	27	− 8	− 8

Note. Results obtained from vertex-wise shape analysis with FIRST. Error probability was set at p < 0.05 corrected for multiple comparisons using 5000 permutations of the group label across space. MNI, Montreal neurological institute.

^⁎Indicates effects that were statistically significant only on a trend level (0.05 < p < 0.10, corrected).