If you want the pial volume, then you should not use mris_wm_volume as this excludes subcortical gray. Use mris_volume for both the white and pial, then do your subtraction.
doug Mehul Sampat wrote: > Hi Folks, > > I was trying to compute the total gray matter volume and I wanted to > check if I was using the correct procedure. > > I looked at the "Morphometry Stats" page for this issue > (http://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats?highlight=%28gray%29%7C%28volume%29%7C%28matter%29) > > The instructions say that: > > gm volume = pial volume - white volume > > My question is: to get the total pial volume, it is correct to use: > mris_volume rh.pial and mris_volume lh.pial > > For the white matter volume I am using mris_wm_volume <subject> <hemi> > > Thanks > Mehul > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 In order to help us help you, please follow the steps in: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
