Hard to say for sure, but I would guess you have an incorrectly fixed topological defect in that region.
Cheers Bruce From: freesurfer-boun...@nmr.mgh.harvard.edu <freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Edoardo Pinzuti Sent: Wednesday, October 28, 2020 7:02 AM To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu> Subject: [Freesurfer] Problem with pial and white matter segmentation External Email - Use Caution Dear Freesurfer team, I am having trouble with the pial and white matter segmentation of one subject (you can see the picture attached), I tried to set control points but it did not work completely. The segmentation looks not good at all for some slices, do you know what I could do ? Thanks Edoardo
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