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I would like to get a tac file of the ROI averages at the surface for each
subject.
From: Douglas N. Greve <dgr...@mgh.harvard.edu>
Date: Thursday, June 19, 2025 at 12:38 PM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Re: PetSurfer surface-based SUVR
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:
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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><mailto:dgr...@mgh.harvard.edu>
Date: Wednesday, June 11, 2025 at 4:01 PM
To: freesurfer@nmr.mgh.harvard.edu<mailto:freesurfer@nmr.mgh.harvard.edu>
<freesurfer@nmr.mgh.harvard.edu><mailto: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:
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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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