<div dir="ltr">Dear Bin,<div><br></div><div>We only use up to around 20 ICs that is confirmed to be brain EEGs regardless of the channel number.</div><div><br></div><div>By the way you can't say how many IC removal is appropriate. If you remove IC1-10 then you'll remove more than 50% of your data variance, while if you remove IC90-100 it could be less than 1%.</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 29, 2014 at 1:22 PM, Bin Wang <span dir="ltr"><<a href="mailto:binwang87828@gmail.com" target="_blank">binwang87828@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div>Hi, everyone,</div><div><br></div><div>One simple question: I am using ICA to remove the artefact right now. How many removed components is reasonable? I am using a completely automatic algorithm (ADJUST) now. It seems work for most of subjects. But, it is wired for one subject, I need remove 20 components of 60. Is it reasonable? </div><div><br></div><div>Thank you in advance,</div><div>Bin</div>
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