External Email - Use Caution Got it, that exactly what I was looking for! Thank you very much.
-----Original Message----- From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Greve, Douglas N.,Ph.D. Sent: Thursday, February 14, 2019 1:15 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] Pediatric Cortical Thickness Normalization by ICV There is not something that will plug-and-play for this. But you can do something like cd subject/surf fscalc lh.thickness div ETIV -o lh.thickness.etiv.mgz where ETIV is from the aseg.stats file Then specify --meas thickness.etiv.mgz when running mris_preproc On 2/14/19 12:50 PM, Williamson, Brady wrote: > > External Email - Use Caution > > Hi, > > I am running an analysis in a group of pediatric subjects (4-6 years > old) and want to correct cortical thickness values by ICV before > running the statistical model, since we have limited degrees of > freedom. While I know this is not recommended for adults, I believe it > is routinely done in pediatrics but I cannot find the implementation > in freesurfer. Is there a straightforward way to normalize cortical > thickness by ICV before running the glm? > > Thanks, > > Brady Williamson > > > _______________________________________________ > 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 _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
