Have you looked at the actual surface?
On 3/7/2024 2:29 AM, Hyunchul Lee wrote:
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Hello,
I'm using Freesurfer recon-all to create reconstructions to use with
MNE-python for source estimation of SEEG data. My work relies on
having correct labeling of segmentation data. For most cases, there
has been no trouble but I am having trouble where the cortical
parcellation shows up as dots in one hemisphere. Please see image
attached. I also noticed that the lh.ribbon.mgz is also 'dotty' (also
attached). There is no issue with the right hemisphere. This
reconstruction was not manually edited, but only recon-all was used.
I have tried using mris_volmask --label_left_ribbon, setting the
argument to various values. That didn't work that great - reducing to
0 basically whites everything out except for the white matter on the
ipsilateral hemisphere and anything 1 or more produces the same
'dots'. Interestingly the pial and wm surfaces all look ok. Also, I am
not sure if creating the correct ribbon.mgz is going to fix the
aparc.a2009+aseg file.
I would really appreciate your advice.
Best regards,
*
*
*Hyunchul Lee* MBBS PhD
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