mismatch of coregistration from Brainstorm to MNE-python

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Dear MNE-Python List,

I finished EEG electrodes registration using brainstorm as I am more familiar to brainstorm and exported the channel coordinates to a .sfp file.

Then I read .sfp file into mne-python, I used plot_alignment to visualize the coregistration.

fig = plot_alignment(myinfo, subject=mysubject, subjects_dir=elder_sub_dir)

I found the following mismached plots:

[cid:82660dfd-6348-4e62-baeb-bd0bfc2cdf6f]

I found I miss some trans file, is that the reason the second plot is not aligned well? Do I need to do it manually generate using mne.gui.coregistration(), as I have many subjects, do we have more efficient ways?

Best regards,

Feng

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is this alignment in brainstorm coming from a template EEG cap? or uses 3D
digitization of electrodes?

yes you will need a trans file

Alex

Dear MNE-Python List,

I finished EEG electrodes registration using brainstorm as I am more
familiar to brainstorm and exported the channel coordinates to a .sfp file.

Then I read .sfp file into mne-python, I used plot_alignment to
visualize the coregistration.

fig = plot_alignment(myinfo, subject=mysubject,
subjects_dir=elder_sub_dir)

I found the following mismached plots:

I found I miss some trans file, is that the reason the second plot is not
aligned well? Do I need to do it manually generate using mne.gui.coregistration(),
as I have many subjects, do we have more efficient ways?

Best regards,

Feng

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3

Thank you.

Q: is this alignment in brainstorm coming from a template EEG cap?

I think I have to do it manually again in mne-python gui.

Best,

Feng