[Mne_analysis] ICA on MEG data and artifacts removal.

[Eric Larson]

        External Email - Use Caution        

Can you see if this tutorial is sufficient?

https://mne.tools/dev/auto_tutorials/preprocessing/plot_20_rejecting_bad_data.html#rejecting-epochs-based-on-channel-amplitude

Eric


On Thu, Oct 8, 2020 at 4:20 AM Vivek Sharma <vivek.sharma1510 at gmail.com>
wrote:

>         External Email - Use Caution
>
> Hi,
> I'm using the following example for the removal of the artifacts for my
> MEG data.
> https://mne.tools/0.16/auto_tutorials/plot_ica_from_raw.html
> For defining the reject in ica.fit (ica.fit(raw, picks=picks, decim=3,
> reject=dict(mag=4e-12, grad=4000e-13), verbose='warning')
> I'm using the default values (mag=4e-12, grad=4000e-13), but for some
> data, it's showing this error (No clean segment found. please consider
> updating your rejection thresholds.)
> How do we define these reject values? Is there a default that can be
> considered or is it data specific and needs to be calculated for every
> participant's data if so does anyone know how to do that?
> Thanks.
>
> --
> Vivek Sharma
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