<div dir="ltr">Dear Salim,<div><br></div><div>Sorry for slow response.</div><div><br></div>> I am wondering if re-reference the data prior to ICA would affect the components phases and their iCoh?<div><br></div><div>In short, no. I've heard of that kind of skepticism in this list a few times and I also read the related paper, but my conclusion is that the criticism is invalid.</div><div><br></div><div>> Should I use average re-reference or keep the data as it is and run ICA?<br></div><div><br></div><div>For ICA it does not matter. If you want to avoid all-red/blue scalp topos due to DC, I recommend you run average reference before ICA. See my memo below.</div><div><a href="http://sccn.ucsd.edu/wiki/Makoto%27s_preprocessing_pipeline">http://sccn.ucsd.edu/wiki/Makoto%27s_preprocessing_pipeline</a><br></div><div><br></div><div>Makoto</div><div><br><div class="gmail_extra"><div class="gmail_quote">On Sun, Jan 11, 2015 at 12:31 PM, Salim Al-wasity <span dir="ltr"><<a href="mailto:salim_alwasity@yahoo.com" target="_blank">salim_alwasity@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif;font-size:16px;background-color:rgb(255,255,255)"><div dir="ltr">Dears</div><div dir="ltr">Have a nice day.</div><div dir="ltr">Kindly I am wondering if re-reference the data prior to ICA would affect the components phases and their iCoh?</div><div dir="ltr">Should I use average re-reference or keep the data as it is and run ICA?</div><div dir="ltr"><br></div><div dir="ltr">Sincerely</div><span class=""><font color="#888888"><div dir="ltr">Salim</div></font></span></div></div><br>_______________________________________________<br>
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