[Freesurfer] Cortical depth at each cortical voxel

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Hi FS experts,

I was wondering whether there was a way to assign each cortical voxel within the T1w (volumetric) scan an index corresponding to its “cortical depth.” I have essentially taken the cortical ribbon .mgz file, assigned each cortical voxel a voxel ID, and wanted to associate each ID with its corresponding cortical depth. I would normally use the *h.sulc files but I didn’t think this would properly translate here since it’s a volumetric analysis.

Thank you in advance for your time and help!

Best Panos

-- Panagiotis Fotiadis Ph.D. Candidate | Neuroscience Graduate Group Perelman School of Medicine, University of Pennsylvania