[Mne_analysis] Ocular artifact correction with 21 EEG channels (+ VEOG and HEOG)

[Dan McCloy]

You can generate SSP projectors centered around the blink events, and use
those to project out the blink artifacts.  Use
mne.preprocessing.create_eog_epochs and mne.compute_proj_epochs


On Fri, Aug 4, 2017 at 9:53 AM, Servant Mathieu <servant.mathieu at gmail.com>
wrote:

> Hello,
>
> In our lab, we usually reject epochs that are contaminated by any
> artifact. I have a dataset where I would like to analyze the ERN
> (time-locked to the response) . Problem: participants generally blink just
> right after the response, and most of my epochs are contaminated by blinks.
> I am thus looking for an efficient artifact correction method.
> My dataset features 21 EEG channels [subset of the International 10/20
> System sites: Fz,  Cz,  Pz,  F3,  F4,  C3,  C4,  P3,  P4,  PO3,  PO4,  T3,
>  T4,  T5,  T6,  O1,  and  O2  and  the nonstandard sites OL (halfway
> between O1 and T5) and OR (halfway between O2 and T6)] + VEOG (bipolar) and
> HEOG (bipolar)]. Given this small number of electrodes, I don't think it is
> appropriate to use ICA. Any suggestion?
>
> Mathieu
>
>
>
>
>
>
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