Hi Matthew you could save the surfaces generated internally by mri_watershed with the -surf <surfname> option, compute the volume of the interior of that with mris_volume, then subtract out whatever other tissue classes you want using the aseg.
cheers Bruce On Fri, 27 Jul 2012, Matthew Goldfinger wrote: > Dearest gurus of all things Freesurfer, > I am looking for a simple way to quantify the amount of CSF, the > total volume of brain matter (excluding ventricular space if possible) > and, as a check on these two, the total intracranial area. Essentially > I need a way to compare how much room there is for the brain to move > around and deform. Any ideas on how best to achieve these goals would > be most appreciated. > Best, > Matthew > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
