<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">I would start from the raw data and remove rare artifacts by hand, then ICA for other artifacts.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
<br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">This is a quick tutorial from Makeig:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
<a href="http://sccn.ucsd.edu/wiki/Quick_Rejection_Tutorial">http://sccn.ucsd.edu/wiki/Quick_Rejection_Tutorial</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">
In a lab I worked in, we would filter raw data first, then reject rare muscle artifacts and any drift by hand, then ICA and reject stereotyped artifacts. <br></div><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Fri, Jun 21, 2013 at 1:00 PM, <span dir="ltr"><<a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</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">
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1.<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;display:inline"></div> problem in eeg artifact removal (<a href="mailto:m.alimohammadi22@yahoo.com">m.alimohammadi22@yahoo.com</a>)<br>
<br><br>---------- Forwarded message ----------<br>From: <a href="mailto:m.alimohammadi22@yahoo.com">m.alimohammadi22@yahoo.com</a><br>To: "<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>" <<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>><br>
Cc: <br>Date: Thu, 20 Jun 2013 12:20:05 -0700 (PDT)<br>Subject: [Eeglablist] problem in eeg artifact removal<br><div><div style="font-size:12pt;font-family:tahoma,'new york',times,serif"><div><br><div><div><div style="font-size:12pt;font-family:tahoma,'new york',times,serif">
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<br><div><div><div style="font-size:12pt;font-family:tahoma,'new york',times,serif"><div><span>hi.<br></span></div><div style="font-style:normal;font-size:16px;background-color:transparent"><span><br></span></div>
<div style="font-style:normal;font-size:16px;background-color:transparent">i used graz data for imagery movement.i extract AR(21 order) features for this data. for final i have one .mat file(matrix 140*44).140 show number of trial and 44 achieve based on AR.<span><br>
</span></div><div style="font-style:normal;font-size:16px;background-color:transparent"><span>i used adjust plugin for artifact removal(eye blink,....).ADJUST contain there
steps(fig is uploaded in "<a href="http://tinypic.com/view.php?pic=3478f15&s=5" target="_blank">http://tinypic.com/view.php?pic=3478f15&s=5</a>"),one step is ICA.in this step,i follow different problem. first, i follow error massage "error in function compute_GD_feat" and this explanation:"attempted to access pos(1,:);index out of bands because size(pos)=[0,0]" .this error is resolved by setting </span><span>time point per epoch to 140</span><span>.i know it is true or not.</span></div>
<div style="font-style:normal;font-size:16px;background-color:transparent"><span>after that i follow error(</span>
<span>fig is uploaded in "<a href="http://tinypic.com/view.php?pic=mceohs&s=5" target="_blank">http://tinypic.com/view.php?pic=mceohs&s=5</a>"</span>
<span>)</span></div><div style="font-style:normal;font-size:16px;background-color:transparent"><span>really i need someone help <a href="http://me.it" target="_blank">me.it</a> is important for me. i want to remove eeg <a href="http://artifacts.it" target="_blank">artifacts.it</a> is not important for me which method is used. </span><span>can you help me?</span></div>
<div style="font-style:normal;font-size:16px;background-color:transparent"><span>thanks<br><br></span></div><div><br><br clear="all"></div></div></div></div></div></div></div></div></div></div><br></div><div style="font-size:12pt">
<div style="font-size:12pt"> </div> </div> </div></div></div><br><br></div><div style="font-size:12pt;font-family:tahoma,'new york',times,serif"><div style="font-size:12pt;font-family:'times new roman','new york',times,serif">
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Nick Wan<div>Graduate Student</div><div><br></div><div>Multisensory Cognition Lab</div><div>Department of Psychology</div><div>Utah State University</div><div><br></div><div>Phone: 435-554-8788</div><div>Blog: <a href="http://truebra.in" target="_blank">truebra.in</a></div>
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