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Hi Len,
As I understand it, .annot file is surface overlay for cortical surface
parcellation.
I’m trying to understand what you mean by “volumetric aparc.annot”. How did you
obtain the file?
Best,
Yujing
From: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Len Jacob
Sent: Tuesday, April 18, 2023 2:54 PM
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] Loading and editing volumetric .annot in Matlab
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Dear Freesurfer enthusiasts,
I would like to load a volumetric aparc.annot file into Matlab with the goal of
editing the color information for certain ROIs in order to convey some
group-level results in the subcortex.
I've previously done this for cortical surfaces by loading lh.aparc.annot (and
rh.aparc.annot), but I now need to convey surbcortical results, and
read_annotation does not work for the volumetric aparc.annot. I assume
write_annotation would not work either.
All the information I have been able to find relating to modifying a .annot and
creating custom colortables has been for surface data. Any help in getting this
done in the subcortex would be appreciated.
Best regards,
Len
--
Leandro P. L. Jacob, Ph.D. (he/him)
Postdoctoral Associate at the Lewis Lab
Biomedical Engineering Department, Boston University
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