What do you mean by extract here? What do you want? A map of SUVR? A
group map or the individual maps? Or do you want ROI averages? If so for
the group or individually?
On 6/17/2025 1:25 PM, Mia Anthony wrote:
External Email - Use Caution
Just to clarify: mris_fwhm or mri_glmfit is the last command I need to
run? Can I extract SUVR values from
all.lh.mgx.ctxgm.fsaverage.sm05.nii.gz?
Thank you
*From: *Douglas N. Greve <dgr...@mgh.harvard.edu>
*Date: *Wednesday, June 11, 2025 at 4:01 PM
*To: *freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
*Subject: *[Freesurfer] Re: PetSurfer surface-based SUVR
That is all you need to run!
On 6/6/2025 8:19 PM, Mia Anthony wrote:
* External Email - Use Caution *
Hello FS,
I have calculated regional SUVR and would like to calculate SUVR
on the surface. I have followed the wiki tutorial, including PVC,
through smoothing on the surface. The last commands I ran are:
mris_fwhm --smooth-only --i all.lh.mgx.ctxgm.fsaverage.sm00.nii.gz
--fwhm 5 --o all.lh.mgx.ctxgm.fsaverage.sm05.nii.gz --cortex --s
fsaverage --hemi lh
mris_fwhm --smooth-only --i all.rh.mgx.ctxgm.fsaverage.sm00.nii.gz
--fwhm 5 --o all.rh.mgx.ctxgm.fsaverage.sm05.nii.gz --cortex --s
fsaverage --hemi rh
Do I need to run the mri_glmfit command? For example:
mri_glmfit --y all.lh.mgx.ctxgm.fsaverage.sm05.nii.gz --surface
fsaverage lh --fsgd g1v0.fsgd
mri_glmfit --y all.lh.mgx.ctxgm.fsaverage.sm05.nii.gz --surface
fsaverage rh --fsgd g1v0.fsgd
Will the mri_glmfit output provide surface-based SUVR, or will I
need to run additional commands after?
Thank you,
Mia
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