Hello,
I want to build a ROI with all the voxels of the atlas (in my case the Glasser atlas). Is there a shortcut how to do this or do I need to put the indexes of each ROI?
Thanks a lot
You want the whole brain? Atlas regions are values above 0. So you could do:
3dcalc -a atlas+tlrc -expr 'step(a)' -prefix myWholeROI
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