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:
External Email - Use Caution 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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