[Eeglablist] Re-referrence to average and add Cz back

[Makoto Miyakoshi]

Dear Fang-Yu,

The recommendation I made was to interpolate Cz, which is a different
process from re-referencing. By the way why is Cz missing?

Makoto

On Thu, Apr 7, 2016 at 7:06 AM, Fang-Yu Chang <hardheard101 at gmail.com>
wrote:

> Dear eeglablister,
>
> I would like to ask for the details about adding Cz back to dataset (data
> recorded by EGI). I read the web page below.
> http://sccn.ucsd.edu/pipermail/eeglablist/2014/008221.html
> Makoto's suggestion was adding Cz back after computing average. Does this
> mean I should operate "Re-reference" twice to add Cz back?
>
> I read re-reference part of EEGLAB's tutorial.
> http://sccn.ucsd.edu/wiki/Chapter_04:_Preprocessing_Tools
> It seems there is a difference in timing of adding Cz back.
> Should I add in Cz separately if I want to compute to average while
> keeping Cz data?
>
> Thanks everyone's help in advance.
>
> Sicerely,
>
> Fang-Yu CHANG
>
>
>
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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