Yes, mri_segstats is the way to go, something like
mri_segstats --slabel fsaverage lh /path/to/label --i z.nii.gz --segid 1
--sum sum.dat
On 6/25/2025 6:32 AM, Federica Tomaiuolo wrote:
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Hi,
I'm experiencing a problem while trying to extract Z score from single
subject's z.nii.gz map coming from FSFAST. More in detail, I created
different .label files in freeview from the group-level statistics
maps (in fsaverage space), each one containing a thresholded z-stat
cluster. Then, I wanted to use this label files to extract from each
z.nii.gz (still in fsaverage space) single subject's map, the Zscore
values corresponding to the ROI associated to the cluster coming from
the label.
I've always made this process with volume files using FSL, by combing
fslmaths and fslstats, but I didn't find a corresponding command in
FreeSurfer for surface files. I tried using mri_segstats but I'm not
sure is able to work with surface maps. Could someone help me, please?
Thank You,
Federica Tomaiuolo
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