[Eeglablist] Question about Order of rereferencing and artifact removal

[Tarik S Bel-Bahar]

Hello Mikolaj, I think you need to delete the bad channels before
average referencing.

On Sat, Mar 23, 2013 at 2:02 PM, Mikołaj Magnuski
<imponderabilion at gmail.com> wrote:
> Dear Stephen,
>
> as I understand it Makoto was referring to bad channel rejection before
> average referencing. Depending on the number of channels their average can
> be dragged more or less by a high-amplitude 'dancing' bad channel.
> I dont think this would introduce  serious artifacts, but is worth
> considering (I was doing averege reference on a group of files lately and
> did not think about removing bad channels first, while some of the files
> actually have these 'dancers' present, so I'm going to change my pipeline
> and see whether it changes anything).
>
> BTW - is it sufficient to mark the channel as bad (in EEG substructure with
> channel info) for it to not be considered during rereference to average or
> should I interpolate or delete the channel?
>
> Regards,
> Mikolaj Magnuski
>
>
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