Hi Rashmi, This page has the definition you are looking for (FS v5.3).
https://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats
-Louis
On Thu, 7 Nov 2013, Rashmi Singh wrote:
FreeSurfer experts, May you please educate me how the supra tentorial volume (STV) measured by FreeSurfer and which date does it take as input file to calculate this variable. Thanks, Rashmi