Inquiry regarding MNE-Python

External Email - Use Caution

Dear Sirs and Madams,

I hope you do not mind my contacting you out of blue.
I am Masataka Wada and conducting EEG analyses using MNE-Python.

Recently, I try to source reconstruction from the preprocessed .set file
data.
I have followed the tutorial, but in "Source alignment and coordinate
frames",
the location of EEG sensors is displayed far from the head-model like the
figure below.

[image: image.png]

When I use sample data ('sample_audvis_raw.fif'), there is no problem like
below.
[image: image.png]

What is the reason for this?

Best regards,

External Email - Use Caution

Is it possible your electrode locations are in millimeters instead of
meters? MNE-Python expects all locations to be in meters. One way to change
this would be to use raw.get_montage(), change the channel positions,
create a new montage with make_dig_montage, then call raw.set_montage using
the modified one.

Eric

        External Email - Use Caution

Dear Sirs and Madams,

I hope you do not mind my contacting you out of blue.
I am Masataka Wada and conducting EEG analyses using MNE-Python.

Recently, I try to source reconstruction from the preprocessed .set file
data.
I have followed the tutorial, but in "Source alignment and coordinate
frames",
the location of EEG sensors is displayed far from the head-model like the
figure below.

[image: image.png]

When I use sample data ('sample_audvis_raw.fif'), there is no problem like
below.
[image: image.png]

What is the reason for this?

Best regards,

-----------------------------------------------------------------------
--------------------------------------
Masataka Wada, M.D.
* Assistant Professor of Psychiatry, Keio University School of Medicine,
Tokyo Japan
Tel: +81-0-5019-2688
Email: masa.wada0622 at gmail.com
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