Hi Freesurfer Experts,

I have a question about the use of mri_surf2surf. Can I use this command to
convert the sphere of a surface to its native space? To be specific, we can
get a sphere if we do inflation and other steps to the white surface , can
we transform the sphere back to the orginal white surface? (if we only have
sphere and don't have the white surface this time.)

I want to try this because after the sphere registration from the subject to
the template, although the deformed sphere has one to one correspondance to
the original surface of the subject, its representation in the native space
should have changed. I want to see clearly in the native space of the
surface to check whether the sulci and gyri moves and to which extent, so I
want to know whether the sur2surf command can transform the deformed sphere
to its native space.

If yes, could you tell me how to use this command, thanks a lot!!

-- 
Regards,

Jidan
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