Ed, can you send the recon-all.log file? The underlying code for mris_volume and the program that creates the stats file is identical. This other program (mri_segstats) prints out the values for the volumes inside the lh.pial, etc, and this will be captured by the recon-all.log file.
doug Ed Gronenschild wrote: > Dear Christian, > > Thanks for your suggestion. I followed the instructions to derive the > GM and WM volumes. Here are the (rounded-off) results for one example: > > mris_volume lh.pial: 532767 > mris_volume rh.pial: 536127 > > mris_wm_volume lh: 251139 > mris_wm_volume rh: 254730 > > Accordingly: > gm lh = 532767 - 251139 = 281628 > gm rh = 536127 - 254730 = 281397 > > Left + right: > total = 1068894 > wm = 505869 > gm = 563025 > > ------------ > > The aseg.stats file lists the following results: > > cortical wm lh: 251139 > cortical wm rh: 254730 > total wm: 505869 > > cortical gm lh: 263888 > cortical gm rh: 265231 > total cortical gm: 529119 > subcortical gm: 181270 > total gm: 710389 > > -------------- > > For wm both results are equal but for gm they are not. > > So now my question still exists: which wm and gm volumes should I take? > > Ed > > > On 26 Oct 2010, at 20:40, freesurfer-requ...@nmr.mgh.harvard.edu > <mailto:freesurfer-requ...@nmr.mgh.harvard.edu> wrote: > >> Dear Ed, >> >> to my knowledge, "mris_wm_volume" is the best option to determine the >> white matter volume. >> >> See this wiki page for usage: >> http://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats >> >> Best wishes, >> Christian >> >> >> --- >> Christian Scheel >> Department of Psychiatry >> University of Cologne >> >> >> >> >> Am 26.10.2010 15:22, schrieb Ed Gronenschild: >>> Hi, >>> >>> I post this once again because I didn't get any response. >>> >>> In the v5.0.0 aseg.stats file I can find the following volumes: >>> >>> - left/right cortical gray matter >>> - subcortical gray matter >>> - total cortical gray matter >>> - total gray matter volume >>> and >>> - left/right cortical white matter >>> - total cortical white matter >>> >>> How can I derive the total white matter volume? >>> >>> Ed >> > > ------------------------------------------------------------------------ > > _______________________________________________ > 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 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ 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.
