[Mne_analysis] Aligning sensor space with MRI

Eric Larson larson.eric.d at gmail.com
Thu Oct 14 10:43:23 EDT 2021
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They are projected onto the head surface during forward modeling.


On Thu, Oct 14, 2021 at 10:24 AM Kadwani, Manorama <MKADWANI at mgh.harvard.edu>

> Hi!
> I want to understand what happens if the EEG digitized points are not
> lying exactly on top of the skin/head surface while aligning EEG digitized
> points with MRI coordinates. I have aligned the fiducial points well, but
> some electrode points are in and some are out of the head surface.
> Are the exact electrode locations used for calculating distance between
> source and sensor space? Or the electrode locations projected onto the head
> surface?
> Thanks,
> Manorama
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