There should already be two volumes (aparc+aseg.mgz and aparc.a2009s+aseg.mgz) which you can simply convert to nifti with mri_convert file.mgz file.nii.gz
On 1/15/19 2:14 PM, Stephanie Hare wrote: > > External Email - Use Caution > > Good afternoon, > > I'm new to Freesurfer; my background is resting-state fMRI using SPM. > Years back, left and right cortical thickness measures were calculated > for our sample of schizophrenia patients using the Desikan-Killiany > atlas and were input to an SPSS spreadsheet. In an exploratory > analysis of the data, I found that behavioral performance on a skills > assessment was correlated with thickness of lh_rostralmiddlefrontal > and lh_parstriangularis regions. > > I'd like to perform a follow-up resting-state fMRI analysis, using > these two surface-based parcellations ( lh_rostralmiddlefrontal and > lh_parstriangularis) as seed regions and use those behavioral > performance scores as a regressor. Is there a simple way to convert > these two 2D-surface-based atlas measurements to masks in nifti format > in 3D-volumetric space? I was doing a quick google search and came > across the mri_label2vol command. Would this be helpful? Sorry for > my naiveté. I appreciate your time. > > Best, > > Stephanie Hare > Postdoctoral Fellow > Neuroimaging Research Program > Maryland Psychiatric Research Center > > _______________________________________________ > 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