[Freesurfer] Extraction of CC Labels and Conversion to FSL MNI Space

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Hi FreeSurfer,

I am trying to extract CC subregion labels from aparc+aseg.mgz (ids: 251-255) into a format that is compatible with MNI space in FSL. I was planning on extracting CC labels and then converting the labels from fsaverage space to MNI space. I first tried to extract the 5 separate CC labels using the command: mri_vol2label --c aparc+aseg.mgz --id 255 --l 255.label. When viewed in FreeView, the labels were spotty looking. Did I do this mgz to label extraction correctly?

[cid:7dee544f-74a8-43d0-be89-9af1a0c74e2f]

And also do you have a recommended code to convert FreeSurfer CC subregions into MNI space ROIs for FSL?

Best,

Jessica