Table 2. Brain regions exhibiting decreased and increased regional homogeneity among three groups.

Brain region	Brodmann area		Cluster size		MNI			T value
					x	y	z
PDD<nD-PD
Left lingual gyrus		18	95	−18		−79	−13	−3.98
Left amygdala		34	105	−20		−4	−15	−3.81
Right lingual gyrus		18	89	13		−87	−7	−3.44
PDD>nD-PD
Left middle frontal gyrus		46	98	−36		19	39	4.44
Right inferior frontal gyrus		45	101	49		25	5	3.52
PDD<NC
Left hippocampus		20	107	−32		−20	−13	−5.01
Left pallidum			103	−23		−1	0	−4.26
Left insula		48	108	−37		−14	12	−3.87
Right precental gyrus		6	111	51		5	45	−3.81
Right pallidum			111	19		6	0	−3.63
Right fusiform gyrus		37	97	26		−63	−11	−3.61
Left precental gyrus		6	107	−48		−5	46	−3.54
PDD>NC
Right inferior frontal gyrus		45	98	53		21	2	4.20
Right cerebellum			109	37		−50	−45	3.09
nD-PD >NC
left cerebellum			90	−19		−50	−55	3.66
Right cerebellum			91	20		−49	−55	3.53
Right superior frontal gyrus		8	115	10		27	54	3.38

NC: normal controls, PDD: Parkinson’s disease patients with depression, nD-PD: non-depressed Parkinson’s disease patients. A>B: Compared with B group, A group showed increased ReHo values. A<B: Compared with B group, A group showed decreased ReHo values (P<0.05, AlphaSim corrected).