Dear authors,
In our project amongst other topics we work on ensuring data storage compliant with the BIDS standard. While mne-bids allows to store such information as task, session, age etc, we could not find a clear way of storing the “group” marker (e.g. left-handed, right-handed etc). Could you suggest us the most meaningful way of storing such kind of information? A code example containing some mne-bids tools would be most appreciated 
Thanks in advance
Best regards,
Michał
hi,
This is typically written in the participants.tsv file.
You can put this information in the raw.info[“subject_info”][“hand”]. See
https://mne.tools/dev/generated/mne.Info.html#mne.Info
Alex
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Thank you for your ansewer. Maybe the example was not very good. By a “group” I meant not only handedness, but any arbitrary group (the examples may be more or less abstract: student of IT/ student of maths/student of psychology, education: only school education/university bachelor/university master/university PhD etc).