[Eeglablist] common mode sense (CMS)

[anastasiya nekhamkin]

Hello, Mary!
In one of my projects I working with the Brain Vision Analyzer too. I
suggest you choose the reference electrode in accordance with your research
area interest, cause choosing different montages can emphasize different
aspects of your data.
Regards,
Anastasiya Nehamkin

On Fri, Jul 10, 2020 at 12:55 AM Makoto Miyakoshi <mmiyakoshi at ucsd.edu>
wrote:

> Dear Mary,
>
> If you have no preference, just use average referencing. This is the
> easiest and good enough. In doing so, including the initial reference (all
> zeros) will make it perfect. But default EEGLAB option does not do this for
> you, if I remember correctly. It's not a big deal if you can't do it. You
> just lose data rank by one, which does not hurt very much in many cases.
>
> https://sccn.ucsd.edu/wiki/Makoto%27s_preprocessing_pipeline#Why_should_we_add_zero-filled_channel_before_average_referencing.3F_.2803.2F04.2F2020_Updated.29
>
>
> If you are confident with signal processing and linear algebra, 'infinity'
> reference (Yao, 2001) is an alternative choice.
>
> Makoto
>
> On Thu, Jul 9, 2020 at 10:24 AM maryam farshad <maryamfarshad81 at gmail.com>
> wrote:
>
> >  Dear members,
> >
> > I am using BrainVisionanalyser to anqalyze EEG/ERP data. I would be
> > grateful if you could help me to solve my problem. We recorded EEG from
> six
> > channels, (simeltaneously with tDCS stimulation), EEG channels including
> > F3, F4, C3, C4, Fz, and Cz; The reference was common mode sense (CMS):
> the
> > Reference (CMS) electrode was attached to the earlobe with the clip.
> >
> > Now I need to do re-referencing?! Which electrode I should apply for
> > offline re-referencing?!
> >
> > I would be thankful, if you could help me.
> > Many thanks in advance for your help,
> >
> > Best,
> > Mary
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