The WhiteSurfaceArea is the area of the cortical surface defined as the boundary between the WM and the GM. Is this what you want?

On 8/27/14 6:56 PM, will brown wrote:
Sorry, my mistake. I did mean surface area rather than volume. I am unsure as to how to find the total surface area of the cortical gray matter as ?.aparc.stats file only report WhiteSurfArea.
Thanks,
Will

Message: 17

Date: Wed, 27 Aug 2014 00:48:29 -0400
From: Douglas Greve <greve@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Cortical gray matter surface area
To: freesurfer@nmr.mgh.harvard.edu
Message-ID: <53FD631D.4070608@nmr.mgh.harvard.edu>
Content-Type: text/plain; charset="iso-8859-1"


The volume for each structure is given as the 4th column. If you want
total GM volume, look in aseg.stats
doug


On 8/26/14 8:43 PM, will brown wrote:
> Hi all,
>
> I am a little unclear as to how to find the cortical grey matter
> volume in the stats output files. The ?.aparc.stats file shows:
>
> Measure Cortex, WhiteSurfArea, White Surface Total Area, XXXX, mm^2
>
> What about grey?
>
> Thanks,
> Will


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