Adding ROIs in fsaverage will not cause them to appear in the aseg.mgz
volume; fsaverage is not the atlas. If you have your ROIs in fsaverage
space, you can map them to the individual via a linear or nonlinear
mapping, but the accuracy will be debatable. You don't need to merge
them with the as
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Thank you for the response,
Yes editing the aseg.mgz in the fsaverage directory with the custom roi's.
The purpose of doing it on the aseg.mgz in the fsaverage directory is- so that
we can use these roi's once for all for every subsequent subject we
Can you clarify what you mean? When you say atlas, do you mean the gca
atlas, eg, $FREESURFER/average/RB_all_2016-05-10.vc700.gca? Or do you
want to simply edit the aseg.mgz with your custom ROIs? The first is
hard, the 2nd is easy.
On 5/15/2022 5:01 PM, Ramtilak Gattu wrote:
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Hi,
We are interested in replacing a couple of labels in aseg atlas with our own
roi's already in the same space as of "aseg.mgz" atlas in the fsaverage folder.
What would be the best way to do this? Could someone help or guide me if anyone
has done
