Table 3.

Negative correlations between metabolism and PIGD scores in the PIGD group^**

Brain region	Side	BA	Cluster size	MNI coordinate			Z score
				x	y	z
Fusiform gyrus	R	20	300	64	−4	−32	4.18
Claustrum	R		76	36	−8	0	2.74
Middle frontal gyrus	R	9	52	58	22	34	2.78
Inferior parietal lobule	R	40	32	50	−62	56	2.88

PIGD, postural instability gait difficulty; BA, Brodmann area; MNI, Montreal Neurological Institute; R, right.

**P < 0.01, uncorrected, cluster size ≥ 30 voxels.