All CSF measures are ventricular, not sulcal. If you are in doubt, you
can always load the aseg.mgz and see what labels correspond to what. You
can also see
http://surfer.nmr.mgh.harvard.edu/fswiki/MorphometryStats
doug
On 10/27/14 9:40 AM, Mahmoud wrote:
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 <mailto: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
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