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Hello,

I am trying to generate the surfaces ‘brain.surf’, ‘inner_skull.surf’,
‘outer_skull.surf’ and ‘outer_skin.surf’. When I use ‘mne watershed bem’, I
obtain surfaces that are in the wrong order (eg. brain.surf is outside of
the inner_skull.surf’)

I viewed previous queries on the archive was able to generate properly
ordered ‘brain.surf’ and ‘inner_skull.surf’ by using the following
commands:



mri_binarize --i brainmask.mgz --min 0.5 --surf brain.surf

mris_expand brain.surf 3 inner_skull



Are there similar commands I can use to generate ‘outer_skin.surf’ ? From
that, I understand I would just need to shrink the surface by 3 mm to get
‘outer_skull.surf’.



Thank you for your time.



Best,

Diksha
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