Hi Jim - If the file was called $SUBJECTS_DIR/$subj/mri/aparc+aseg.mgz, included the same labels and followed the same lookup table as the OG aparc+aseg, this could work. Note that, for the new TRACULA (in FS 7.2), we recommend also running the thalamic nuclei segmentation, as it helps with the accuracy of the tracts that terminate or neighbor the thalamus.
Anastasia. ________________________________ From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu on behalf of Alexopoulos, Dimitrios dimitriosalexopoulos@wustl.edu Sent: Wednesday, October 20, 2021 2:54 PM To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Using only a aparc+aseg input file for TRACULA
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Hi,
It was my understanding that TRACULA only uses the aparc+aseg segmentation from the standard structural output from FS 7.1.1., and specifically for the relative positions (left, right, anterior, etc.) of each tract with respect to the segmentation labels in the aparc+aseg.
Is this correct?
How would we run trac-all if we only had an aprc+aseg from another pipeline that generates FS-compatible outputs?
For example, trac-all -preproc -bedp -path -c (where c = dmrirc config file).
Jim
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