[Mne_analysis] Computing and re-using EOG projectors

[Alexandre Gramfort]

        External Email - Use Caution        

hi,

I confirm that EOG channel is not necessary when you apply existing
projections.

Alex

On Wed, Feb 3, 2021 at 8:58 AM Scheltienne Mathieu <
mathieu.scheltienne at epfl.ch> wrote:

>         External Email - Use Caution
>
> Hello MNE community,
>
>
>
> I am computing EOG projectors with mne.preprocessing.compute_proj_eog().
> Prior to this, the preprocessing includes:
>
>    - Removing bad channels, applying CAR ref
>    - BP filter [1, 100] Hz
>    - Powerline noise notch filter on EOG channel (EEG channel doesn’t
>    have powerline noise thanks to the CAR)
>
>
>
> After I get the projectors, I save them to disk.
>
> To re-use those projectors on another recording, performed a few minutes
> later after the first one on the same participant, do I need the EOG
> channel? i.e. do I need to preprocess the EOG channel before applying the
> loaded projectors?
>
> My understanding is that I do not need the EOG channel anymore, could you
> confirm this?
>
>
>
> Thanks,
>
> Mathieu
> _______________________________________________
> Mne_analysis mailing list
> Mne_analysis at nmr.mgh.harvard.edu
> https://secure-web.cisco.com/1olfIi9XElCsaXhao7l4opXCVQAjWH5DKluRLoCVk4lkE8i1mHBQiTO7DZ5WPY0WXysa1ngYa8etuAgJQuZRgcpaY1fmrx7YdpWgPiJgESlFawm2kcc9Z4_uCF0pBz3FgHTChq2ge3zv9vlTjzswWwR5PsyzaMTgY0W-_ZplI5h72LXMviF0VN3KhUuFbC7mI7PG2zNdWuhyQ14kQ9Zq7nd7SqmNJe9IR2HbwBrj5jX1H9OvVqq4iYYGhaSY-NhkgH_gqaz1aw_S2xqx3Vl5zVg/https%3A%2F%2Fmail.nmr.mgh.harvard.edu%2Fmailman%2Flistinfo%2Fmne_analysis
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20210203/4cab570d/attachment-0001.html