Table 2.

Regional brain atrophy in patients with Parkinson's disease compared with normal controls.

Cluster number	Region	Ipsilateral/Contralateral	Cluster size	Peak MNI coordinate			Peak T-value
				X	Y	Z
Cluster 1	Temporal lobe	Contralateral	439	−49.5	−18	−16.5	−4.5
	Temporal middle gyrus	Contralateral	333
Cluster 2	Temporal lobe	Ipsilateral	349	54	−34.5	−9	−5.03
	Temporal middle gyrus	Ipsilateral	285
Cluster 3	Parietal lobe	Ipsilateral	291	19.5	−52.5	24	−4.21
	Precuneus	Ipsilateral	181
Cluster 4	Parietal lobe	Contralateral	266	−43.5	−28.5	24	−3.97
	Rolandic operculum	Contralateral	114
	Supramarginal	Contralateral	50
	Postcentral	Contralateral	42