Do you want to do it on a voxel-wise (map) basis? I guess you could just run
mri_concat subj1/lesionmap.mni152.mgz subj2/lesionmap.mni152.mgz ...
subjN/lesionmap.mni152.mgz --o stack.lesionmaps.mgz
Then run a voxel-wise GLM on the stack. This tricky. You'll probably
want to smooth it some (mri_f
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Thanks Douglas, "mri_convert lesionmap.mgz -at samseg.m3z lesionmap.mni152.mgz"
worked fabulously after some tweaks in the command line!
What would be the best approach to compare population-wise lesion heat maps
between groups of subjects using the
