It segments the whole hippocampus (ie, assigns voxels as either hippo or something else), then counts up the voxels to get the voume (also applies partial volume correction). It does not compute curvature of hippo. Hippo does form part of the boundary of the surface, but we exclude it from further analysis.

On 2/26/2021 9:12 AM, Alberto Del Cerro Leon wrote:

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Then How FreeSurfer calculates the volume, curvature etc from Hippocampus and How could I check it?
El vie, 26 feb 2021 a las 14:44, Douglas N. Greve (<dgreve@mgh.harvard.edu>) escribió:
Hippocampus is not part of the surface

On 2/24/2021 10:40 AM, Alberto Del Cerro Leon wrote:
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Hello Freesurfers, I am doing an AAL atlas on freesurfer using mri_vol2surf and editing the labels manually. However when I was editing the labels in tksurfer the hippocampal field is quite bad. I tried to look the segmentation used by you in labels but I didn't find it. How could I segment the Hippocampus????
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