Hi Chris
It sounds like a topological defect, but hard to say without seeing it. Can you
post some images? Or follow Doug’s instructions about visualizing the defects
and see if there is one in the sulcus you mention below?
Cheers
Bruce
From: freesurfer-boun...@nmr.mgh.harvard.edu
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Chris Adamson
Sent: Wednesday, March 15, 2023 12:42 AM
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] WM edits, prevent surface from cutting sulcus
External Email - Use Caution
Freesurfer experts,
I have a subject where the WM surface is cutting across a sulcus despite the WM
segmentation correctly labelling the GM. Is there a way of putting a “barrier”
value in the wm.mgz to prevent the white matter surface from cutting across the
sulcus?
Thank you.
Chris.
Dr Chris Adamson
Research Officer, Developmental Imaging, Murdoch Childrens Research Institute
Murdoch Childrens Research Institute
Royal Children’s Hospital
Flemington Road, Parkville, Victoria 3052, Australia
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