External Email - Use Caution Hi Doug,
Thank you! Is that the same output as using mri_gtmpvc with --psf 0 --no-tfe and look at the mgx.ctxgm.nii.gz ? Thanks Julie On Tue, 12 Jan 2021 at 10:39, Greve, Douglas N.,Ph.D. < dgr...@mgh.harvard.edu> wrote: > If you've run mri_gtmpvc already, you can add --save-input and it will > save a file called input.rescaled.nii.gz which will be rescaled to your > reference region > > On 12/29/2020 4:19 PM, Julie Ottoy wrote: > > External Email - Use Caution > Dear Freesurfer team, > > I have a question related to petsurfer. On the website, it is stated that "If > you are not using PVC, you can use the template.reg.lta to sample the PET > volume onto the surface using mri_vol2surf, then apply standard > surface-based analysis." > > However, I was wondering how to do this for PET data that I first want to > normalize to a reference region (to perform group-wise glm analyses > afterwards). For example, I want to transform the "non-pvc and > pons-rescaled PET volume" to the surface. Is there a way to easily do this? > Or should I use the --scale flag with vol2surf and input the non-pvc > reference region value for each subject reading from the gtm.stats.dat > file, which I got from the mri_gtmpvc with --psf 0 --no-tfe --no-rescale? > > Thank you for the help! > Best regards > Julie > > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://secure-web.cisco.com/1PRsCVwfimRlGNaY3sBMWV-MQT7NBQ2lJ0S3dV-hMtz5rnGZTV_4lqEZa4qhvY-nZBwkUIVEiAC8AJ4NlHAg5aN_PgGfPbYW9FtfU3WMFrRcELahiL7SKE25psFyAjUGi_763noxwflJ8FVv5z_hGL9Bh42VmP9CsAXnLQKliLEu2NDWl6bZxMijIAAygTBbc09bIBzNiStZJ8cB0dm-D5gcUwnXuMOinDlCdv7248gU9Kcai31cC_QXtLCasQQJXTYyGRfk3n0dH0TBYgFlPEg/https%3A%2F%2Fmail.nmr.mgh.harvard.edu%2Fmailman%2Flistinfo%2Ffreesurfer
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