Dear MNE users, I have a problem to coregister headshape to meg sensors. i attached a plot, i get the head and the sensor not well alignment. i have tried many times but it did not work. Here is the result of the alignment [image] [image] MNE-Python version: 0.22.0 operating system: Linux18

Actually from the show_axes=True I can see that the MEG and head coordinate frames are not identical, so we can rule out that raw.info['dev_head_t'] is identity. Let’s rule out (1) and (3) and if those can’t be it, then if you can share the MEG data (don’t need the MRI) then someone might be able to…

Mne coreg some confusions

💬 Support & Discussions

agramfort (Alexandre Gramfort) February 20, 2021, 8:11pm 7

I suspect there is somewhere a mismatch of subject name and anatomies

are you sure you are plotting with the proper subject name?

Alex

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Mne coreg some confusions

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