Yes, it is probably best to do it with those as those have the averages 
across the subjects used to create the atlas. If you just use the area 
of the cluster on the pial, it will be somewhat smaller.

doug




On 09/06/2012 01:53 PM, Ritobrato Datta wrote:
> Hi Doug,
>
> I need to dump the surface area of a patch in fsaverage_sym lh.
>
> But I need to dump the value for fsaverage_sym pial surface, white surface 
> and inflated surface.
>
> I noticed that in the folder freesurfer/subjects/fsaverage_sym/surf/
>
> there is
>
> ?h.white.avg.area.mgh
>
> ?h.pial.avg.area.mgh
>
> What are these ?
>
> Can I just apply my patch/mask/label on ?h.white.avg.area.mgh and 
> ?h.pial.avg.area.mgh to get the corresponding scalars ?
>
> Please let me know.
>
> We are finishing up this paper and need these values as soon as possible.
>
> Any help will be very much appreciated.
>
> Thanks a lot
>
> Rito
>
>
>

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358
Fax: 617-726-7422

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