<div dir="ltr">Dear Lorenzo,<div><br></div><div>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.</div>
<div><br></div><div>These are of course approximate locations but good enough. There would be larger location variances due to individual differences.</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br>
<br><div class="gmail_quote">2014-03-29 3:34 GMT-07:00 Lorenzo Vignali <span dir="ltr"><<a href="mailto:lorenzo.vignali88@gmail.com" target="_blank">lorenzo.vignali88@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr"><span style="font-family:arial,sans-serif;font-size:13px">Hello everybody!</span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
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? </div>
<div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">Thanks for your help!</div></div>
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-- <br><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div>
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