If all you did was to remove voxels from the mask, then you should be able to run mri_mask brainmask.mgz norm.mgz   brainmask.mgz

(make backups of brainmask.mgz before you run that as it will be overwritten).

On 5/17/2020 7:55 PM, Elena Pozzi wrote:

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Hi Douglas,

I added some control points, but also and mostly made edits meant to fix the mask (e.g., deleted some voxels).

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