Dear Doug, The problem is that I'm not sure what those terms exactly mean ! i.e. what is exactly CSF ? ventricles contain CSF right ? Is CSF counts for subdural CSF too ? I have a the aseg.stats with all terms inside but not sure which one to pick up, that's why I'm asked here.
Thank you, Mahmoud On Mon, Oct 27, 2014 at 9:35 AM, Douglas Greve <gr...@nmr.mgh.harvard.edu> wrote: > > You probably want something like BrainSegNotVent/Sum(CSF and Ventricles) > Is that what you mean? > doug > > > > On 10/26/14 11:45 PM, Mahmoud wrote: > > Dear all, > > I used the the 3 steps of longitudinal analysis explained in freesurfer > longitudinal tutorial and need to compute the ratio Parenchyma/CSF for each > of time points. Is this equivalent to compute the (total gray matter > volume + total cortical matter volume)/CSF from aseg.stats file ? > > Thank you, > Mahmoud > > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://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. > >
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