Table 2.

Regional Changes in Cerebral Blood Flow as Measured by H₂ ¹⁵O‐PET Induced by ON vs. OFF Invasive Motor Cortex Stimulation.

Cluster #	Volume (mm3)	Weighted center			Extrema value	Label	L/R	Brodmann area
		x	y	z
Regions in which increased cerebral blood flow was induced by active invasive motor cortex stimulation
1	2129	−4.0	34.0	8.0	0.027	Anterior cingulate gyrus	L	Brodmann area 24
2	2032	−26.3	−5.5	10.3	0.025	Putamen	L	N/A
3	520	−6.1	−22.0	−15.7	0.017	Cerebral peduncle	L	N/A
4	456	50.0	0.0	30.0	0.017	Precentral gyrus	R	Brodmann area 6
5	456	−6.0	10.0	48.0	0.013	Superior frontal gyrus	L	Brodmann area 6
6	264	6.0	−16.0	−8.0	0.013	Red nucleus	R	N/A
7	264	16.0	−6.0	−8.0	0.013	Medial globus pallidus	R	N/A
8	264	10.0	−12.0	8.0	0.013	Ventral lateral nucleus of the thalamus	R	N/A
9	264	22.0	40.0	20.0	0.013	Medial frontal gyrus	R	Brodmann area 9
10	208	−14.6	26.2	−15.4	0.011	Inferior frontal gyrus	L	Brodmann area 47
11	136	−31.9	−18.2	14.9	0.010	Claustrum	L	N/A
Regions in which decreased cerebral blood flow was induced by active invasive motor cortex stimulation
1	152	30.0	−68.0	8.0	0.007	Posterior cingulate gyrus	R	Brodmann area 30

L, Left; R, Right.