I have a question related to fixing the pial surface when a part was missed (see attachment). On the freesurfer website, I only found how to erase the pial when there was too much (see https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/PialEditsV6.0 ), but I could not find what to do when there was too little.

As there is no white matter in this particular area, it is also not an option to place control points. Also the skull stripping did not change anything: I tried both the freesurfer skull stripping and an in-house skull stripping algorithm.

Thank you for your help.

Best regards

Julie