Dear FreeSurfer community,

I would like to perform a ROI analysis using an anatomical mask. I was
thinking of using the thresholded masks in the annotations file created
from running recon-all.

Now I noticed that a few of my older datasets do not seem to have
thresholded annotation files, but only the unthresholded ones.

Is it possible to create these files (e.g., l/rh.BA.tresh.annot) again
without having to run recon-all over again? Maybe from manually
thresholding the unthresholded annotation files (l/rh.BA.annot)?

How would I go about this?

Thanks and best,
Michael
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