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Hi Freesurfer experts,
Follow up on the last question and correct me if I am wrong, the difference between dlabel/diff/lowb_brain_mask.nii.gz and dmri/nodif_brain_mask.nii.gz is that:
the dlabel/diff/lowb_brain_mask.nii.gz is generated from "bet" (brain
extraction)
and dmri/nodif_brain_mask.nii is derived from aparc+aseg_mask.nii.gz
which contains T1 information. Because in fsl, nodif_brain_mask is named for "bet binary brain mask".
Best, Qi
Best, Qi
On Fri, Apr 22, 2022 at 3:25 PM Zeng, Qi qi.zeng@icahn.mssm.edu wrote:
Hi experts,
Just want to check if dmri/dwi.nii.gz is the 4D dwi volumes after correction for B0 inhomogeneities, eddy current, and head motion? and dmri/nodif_brain_mask.nii.gz is the 3D ROI mask for the whole brain? and dmri/bvals and dmri/bvecs are rotated bvals and rotated bvecs? Thank you!
Best, Qi