Hi Doug,

    Thank you for your prompting response. Do you mean the computation only calculate exterior surface of the cortical region ?  The other five surface (i.e. anterior, posterior, left, right, interior) are excluded ?

    Thanks!

Zhuangming

-----原始邮件-----
发件人: "Douglas Greve" <greve@nmr.mgh.harvard.edu>
发送时间: 2014年3月6日 星期四
收件人: freesurfer@nmr.mgh.harvard.edu
抄送:
主题: Re: [Freesurfer] Surface area in aparc stats


By default, the surface area is computed from the white surface (ie, boundary between WM and GM). It is possible to compute it from the pial surface (ie, boundary between GM and background)
doug

On 3/5/14 9:14 PM, 沈庄明 wrote:

Hi all,

   I need to know how is the SurfArea in ?h.aparc.stats calculated by FreeSurfer? Since each cortical parcellation has its own thickness in 3D space, does the surface area computation consider both the exterior surface (i.e. the surface separating the gray matter and the background) and the interior surface (i.e. the surface separating the gray matter and the white matter)? 

   Thanks!

Zhuangming Shen

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