Yes > On Nov 26, 2017, at 9:40 PM, 郑凤莲 <13181786...@163.com> wrote: > > Hi Bruce, > That is, I should set eTIV at Nuisance Factors for volume and surface > area, not for thickness in qdec, is it right? > > <qdec.PNG> > > > > At 2017-11-27 10:22:05, "Bruce Fischl" <fis...@nmr.mgh.harvard.edu> wrote: > >you should correct for eTIV for volume (but not for thickness) > >On Mon, 27 > >Nov 2017, 郑凤莲 wrote: > > > >> Hi Greve, > >> Only for age and surface area, no thickness or volume, is it right? > >> > >> Thanks! > >> Zheng > >> > >> > >> > >> > >> At 2017-11-26 03:04:26, "Douglas Greve" <gr...@nmr.mgh.harvard.edu> wrote: > >> > >> Yes, for age and surface area. > >> > >> > >> On 11/23/17 2:05 AM, 郑凤莲 wrote: > >> Hi professors, > >> > >> I am using Qdec in Freesurfer. I want to study the relationships > >> between age and > >> cortical thickness, age and cortical volume, age and surface area. Is it > >> necessary to > >> corrected by eTIV for volume and surface area in Qdec? > >> I am looking forward to your reply. > >> > >> Thanks, > >> Zheng > >> > >> > >> > >> > >> > >> > >> > >> _______________________________________________ > >> 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
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