Table 2:

Peaks for significant clusters of decreased FA in patients with PD*

PD Versus Controls	Hemisphere	Brodmann Area	MNI Coordinates			Z-Score
PD Versus Controls	Hemisphere	Brodmann Area	x	y	z	Z-Score
Medial frontal cortex
SMA	L	6	−4	14	46	3.3
Pre-SMA	R	8	4	26	52	2.79
	R	6	6	18	60	2.83
Rostral medial frontal gyrus	R	9	6	46	36	2.97
Cingulate cortex
Anterior cingulate gyrus		24	0	−6	46	4.12
	L	24	−6	34	46	3.41
		32	0	14	38	3.00
	L	32	−8	26	28	3.11
Rostral cingulate gyrus	R	24	10	30	18	3.00
	L	32	−8	44	2	2.82
	L	9	−8	46	22	3.18
Dorsolateral prefrontal cortex
Superior frontal gyrus	R	9	18	44	32	4.14
Middle frontal gyrus	R	46	28	42	14	3.50
Inferior frontal gyrus	R	46	42	34	6	2.93
Frontal pole
Middle frontal gyrus	R	10	20	46	10	3.17
	L	10	−28	42	8	3.06
WM bundles
Superior longitudinal fasciculus	R		30	26	16	3.09
Corpus callosum	L		−16	34	10	3.02

Note:—SMA indicates supplementary motor area; MNI, Montreal Neurologic Institute.
* All significant maxima were part of a single large cluster, including 3927 voxels.