adding the individual ROIs should work and will ignore non-cortical
regions so be more accurate than measuing the surface area of ?h.pial

cheers
Bruce

On Wed, 13 Jul

2016, Mihaela Stefan wrote:

> Hello Freesurfers,
>
> We would like to know how to calculate the total pial surface area for each hemisphere. We extracted the surface area from the 34 ROIs per hemi from
> lh.aparc.stats but there is no total pial surface area in that file (only white surface area).
> Does it make sense to just add the 34 ROIs or there's a better way to extract that measure?
>
> Thanks!
> Mihaela
>
>

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