Dear AFNI experts,
I have two related questions:
(1) Does 3dFWHMx work on a single volume?
(2) Does 3dFWHMx work well on PET images?
Based on my reading of the help menu, I am using this command to estimate the smoothness on amyloid PET images:
3dFWHMx -2difMAD -mask brain_mask+tlrc subject_718b_suvr+tlrc