Table 3.

Number of voxels in group-averaged ROI (see Figure 2) and DSCs representing spatial overlap of ROIs between groups.

	Task-central ROI	+(Task-surround) ROI	Task-surround ROI
HC	6017	33,636	78,963
MSP-normal	2499	31,907	78,674
MSP-slow	3373	21,065	79,444
DSC (HC:MSP-normal)	0.430	0.643	0.904
DSC (HC:MSP-slow)	0.406	0.502	0.868
DSC (MSP-normal:MSP-slow)	0.440	0.500	0.885

DSC: dice similarity coefficient; MSP: multiple sclerosis patients; HC: healthy controls; ROI: region of interest.