Table 3.

List of clusters showing an increased EC in the left and right motor cortex with the ‘add’ approach comparing DBS with levodopa medication using the contrast POST_ON−PRE_ON combining both EC maps with left and right unilateral STN DBS using a flexible factorial model with POST_ON=POST_{ON_left} + POST_{ON_right}*.

POSTON−PREON							(POSTON−PREON)−(POSTOFF−PREOFF)
x	y	z	T	Z	k	pFDR-corr	x	y	z	T	Z	k	pFDR-corr
30	−16	67	5.04	4.49	219	<0.001	45	−25	52	3.77	3.51	68	0.034
18	−22	67	4.42	4.03			30	−16	67	3.76	3.50
9	−28	49	4.36	3.98			45	−22	58	3.48	3.27
−33	−16	64	4.88	4.37	112	0.008	−21	−7	61	4.87	4.36	68	0.034
−27	−10	67	4.31	3.94			−27	−16	67	3.46	3.25
−39	−31	64	4.22	3.87			−24	−28	64	3.02	2.87

*The table shows 3 local maxima >8 mm apart. The maximum of each cluster is plotted in bold. All clusters are also shown in Fig. 4, color coded in green and yellow, top row for the contrast POST_ON−PRE_ON, and bottom row for the interaction contrast (POST_ON−PRE_ON)−(POST_OFF−PRE_OFF). EC = eigenvector centrality; x y z = coordinates in mm; T = T-score; Z = Z-score; k = cluster size in voxels (1 voxel = 27 mm³); FDR-corr = corrected for multiple comparisons using the false discovery rate.