Hello
Brainstorm is not a suited for processing fMRI data.
If you are looking at solutions for anonymizing MRI volumes, you can check out the following programs:
- FreeSurfer / mri_deface: https://surfer.nmr.mgh.harvard.edu/fswiki/mri_deface
- Brainstorm: Cut plane based on MNI registration (right-click on MRI in database > Deface volume): https://neuroimage.usc.edu/brainstorm/News#March_2019
- FieldTrip: Interactive selection of a volume to cut: http://www.fieldtriptoolbox.org/faq/how_can_i_anonymize_an_anatomical_mri/
- PyDeface: https://github.com/poldracklab/pydeface
- XNAT face masking: http://nrg.wustl.edu/software/face-masking/