[Eeglablist] EOG channels

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Tue Apr 1 19:45:51 PDT 2014

Dear Lorenzo,

I saw quite a few have done that before. So you placed them on both canthi
(lateral end of the eyes), right? Then, give them 'AFp9' and 'AFp10' to the
left and right EOG respectively, and run 'look up locs' again.

These are of course approximate locations but good enough. There would be
larger location variances due to individual differences.


2014-03-29 3:34 GMT-07:00 Lorenzo Vignali <lorenzo.vignali88 at gmail.com>:

> Hello everybody!
> I am working with the BrainVision actiChamp 64 electrodes system. The
> standard cap has no EOG electrodes to record horizontal eye movements, so
> what I did is that I changed the position of two electrodes (Ch5 and Ch27)
> and placed them at the sides of the eyes. It really works fine but, by
> doing so, I now have no channel positions. I am doing the analysis whit
> EEGLAB and the ocular artifact removal with the ICA, is it a problem if I
> have this two electrodes with no position? when I average reference should
> I include also these two channels?
> Thanks for your help!
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Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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