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I want to use eTIV to normalize also the  normDev, normMean of subcortical
regions as well as the morphological variables of cortical regions such as
gray matter volume, rectified mean curvature.
Should I devide them on eTIV ?

Le jeu. 28 juil. 2022 à 18:24, Douglas N. Greve <dgr...@mgh.harvard.edu> a
écrit :

> I usually just divide the volume by the eTIV (you can do this in
> asegstats2table with the --etiv flag). Some people will use it as a
> nuisance regressor in the GLM
>
> On 7/27/2022 3:11 PM, Bouchra Guelib wrote:
>
>         External Email - Use Caution
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> ---------- Forwarded message ---------
> De : Bouchra Guelib <bouchra.gue...@univ-constantine2.dz>
> Date: mer. 27 juil. 2022 à 19:28
> Subject: eTIV
> To: <freesurfer-ow...@nmr.mgh.harvard.edu>
>
>
> I hope you can help me with this  point
> I extracted the measures in 'aseg.stats', 'lh.aparc.stats',and
> 'rh.aparc.stats'. Now I want to use these measures as input data for my
> model. However, I read that we need to normalize this data using eTIV. Can
> you tell me how?
>
> --
> *GUELIB Bouchra: *Ph.D. student
> *Lire *Laboratory
> University: Constantine 2-Abdelhamid Mehri- *Algeria *
> Alternative email: guelibbouc...@gmail.com
>
>
>
>
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