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<body class='hmmessage'><div dir='ltr'>Dear list, <br><br><span id="result_box" lang="en"><span class="hps">I</span> <span class="hps">have a question about</span> <span class="hps">the</span> <span class="hps atn">"</span><span>topoplot</span><span>" function.</span></span><br id="FontBreak"><span id="result_box" lang="en">This <span class="hps"></span><span class="hps">function uses the</span> </span><span id="result_box" lang="en"><span id="result_box" lang="en"><span class="hps">spline</span></span> <span class="hps">principle</span> <span class="hps">to </span>give us <span class="hps">the topography of the</span> <span class="hps">EEG.</span><br> <span class="hps">if we want to</span> <span class="hps">measure the</span> <span class="hps">EEG</span> <span class="hps">of one </span></span><span id="result_box" lang="en"><span class="hps"><span id="result_box" lang="en"><span class="hps">point</span></span> </span></span><span id="result_box" lang="en"><span class="hps"><span id="result_box" lang="en"><span class="hps">that is not covered by</span> <span class="hps">an electrode</span></span></span>,<br><span class="hps"></span> <span class="hps">at a</span> <span class="hps">given time t</span><span>, the result</span> <span class="hps">of this estimate is</span> <span class="hps">compatible with</span> <span class="hps">the</span> <span class="hps">actual measurements?</span></span><br><br><span id="result_box" lang="en"><span class="hps">I</span> <span class="hps">hope you understand</span> <span class="hps">my question</span> <span class="hps">and I thank you for your</span> <span class="hps">valuable</span> <span class="hps">answers.<br><br>best rega</span></span><span id="result_box" lang="en"><span class="hps">rds</span></span><br><br><div><font style="background-color:rgb(255, 255, 255);" face="Comic Sans MS" size="2" color="#666666">----------------------------------------------------------</font></div><div><font style="background-color:rgb(255, 255, 255);" face="Comic Sans MS" size="2" color="#666666">----------------------------------------------------------</font></div><font style="background-color: rgb(255, 255, 255); font-size: 10pt;" face="Comic Sans MS" size="2" color="#666666">Ibtissem KHOUAJA BENFRADJ</font><div><span style="background-color:rgb(255, 255, 255);"><font face="Comic Sans MS" size="2" color="#666666">PhD in computer science</font></span></div><div><span style="background-color:rgb(255, 255, 255);"><font face="Comic Sans MS" size="2" color="#666666">Speciality Signal Processing</font></span></div><div><span style="background-color:rgb(255, 255, 255);"><font face="Comic Sans MS" size="2" color="#666666">Laboratory LTIM, University of Monastir, Tunisia</font></span></div><div><a href="http://www.labtim.org/accueil.php" target="_blank"><font style="background-color:rgb(255, 255, 255);" face="Comic Sans MS" size="2" color="#666666">http://www.labtim.org/accueil.php</font></a></div><div><span style="background-color:rgb(255, 255, 255);"><font face="Comic Sans MS" size="2" color="#666666">Laboratory LIGM, Univerisity of Paris-East, France </font></span></div><div><a href="http://ligm.u-pem.fr/" target="_blank"><font style="background-color:rgb(255, 255, 255);" face="Comic Sans MS" size="2" color="#666666">http://ligm.u-pem.fr/</font></a></div><div><span style="background-color:rgb(255, 255, 255);"><font face="Comic Sans MS" size="2" color="#666666"><br></font></span></div><div><span style="font-size:12pt;"><br></span></div><br><br><div><hr id="stopSpelling">From: arno@ucsd.edu<br>Date: Thu, 6 Nov 2014 11:29:28 +0100<br>To: mmiyakoshi@ucsd.edu<br>CC: eeglablist@sccn.ucsd.edu<br>Subject: Re: [Eeglablist] Query regarding topoplot<br><br>Yes, each column (not row) of EEG.icawinv is a component scalp map.<div>The code below plots component number 1.<br><div><br></div><div>figure; topoplot(EEG.icawinv(:,1), EEG.chanlocs(EEG.icachansind));</div><div><br></div><div>Arno</div><div><br><div><div>On Nov 4, 2014, at 9:29 PM, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu">mmiyakoshi@ucsd.edu</a>> wrote:</div><br class="ecxApple-interchange-newline"><blockquote><div dir="ltr">Dear Rupan,<div><br></div><div>A raw of EEG.icawinv is component scalp map.</div><div><br></div><div>Makoto</div></div><div class="ecxgmail_extra"><br><div class="ecxgmail_quote">On Sat, Nov 1, 2014 at 10:43 AM, Rupan Panja <span dir="ltr"><<a href="mailto:rupan.panja@gmail.com" target="_blank">rupan.panja@gmail.com</a>></span> wrote:<br><blockquote class="ecxgmail_quote" style="border-left:1px #ccc solid;padding-left:1ex;"><div dir="ltr">Dear All,<div> I am new to BCI research, and facing a problem. I have seen topoplots in many BCI papers, what I don't understand is in topoplot what do we plot columns of W or W-inverse?</div><div> Hoping support from you guys.<span class="ecxHOEnZb"><font color="#888888"><br clear="all"><div><br></div>-- <br><div><div>Thanking You</div><div>Rupan Panja</div></div>
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