The parcellation is created using the surfaces and a cortical atlas so you 
shouldn't have to worry about the subcortical segmentation overlabeling 
like that. Take a look at the aparc+aseg.mgz in tkmedit.

-- 

On Fri, 4 Sep 2009, Kim, Miyoung wrote:

> Hi.
>
> Just a quick question - is cortical parcellation performed based on the pial 
> line (red line) or the cortical segmentation (brown shade)?  The reason for 
> this question is that after recon2 we have an area in the lower occipital 
> cortical region that is shaded as "cerebellum" (see attached) although the 
> pial line seems to have correctly outlined it.  Is this a potential problem 
> that we need to fix and if so what should we do?  Thanks for your help in 
> advance!
>
>
> Miyoung
>
>
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