[Freesurfer] T1map processing error

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Dear FS community,

Recently our lab started collecting 3D-QALAS (Cho et al., 2023). Using this method, a quantitative T1map was constructed.

Trying to process this map, FS (v7.1.0) recon-all would output the following error: mri_cc: no WM voxels found with norm > 40 -- check skull stripping

I would like to ask if anyone here has experience in processing quantitative T1maps with FS? Did you also run into that error? Were you able to solve it?

I am looking forward to hearing from you.

Best regards, Maksim Slivka

Head engineer Center for Lifespan Changes in Brain and Cognition (LCBC) Department of Psychology University of Oslo POB 1094 Blindern 0317 Oslo Norway