<div dir="ltr">Which channel is off the location? To me it looks fine.<div><br></div><div>For your information, the contour of the head plot is defined by the following (<span style="font-family:arial,sans-serif;font-size:12.571428298950195px">Oostenveld and Praamstra, 2001, p.714).</span></div>
<div><br style="font-family:arial,sans-serif;font-size:12.571428298950195px"><span style="font-family:arial,sans-serif;font-size:12.571428298950195px">(citation starts)</span><br style="font-family:arial,sans-serif;font-size:12.571428298950195px">
<div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">A horizontal circumferential contour is determined over</span></font></div><div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">the left temporal lobe from Fpz to Oz, through the location</span></font></div>
<div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">which was marked at 10% above LPA. Along this contour,</span></font></div><div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">the positions <b>Fp1, AF7, F7, FT7, T7, TP7, P7, PO7 and O1</b></span></font></div>
<div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px"><b>are marked at 10% distances</b> (Fig. 1, innermost circle). The</span></font></div><div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">circumferential contour over the right temporal lobe is</span></font></div>
<div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">determined in the same fashion from Fpz to Oz over the</span></font></div><div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px">location 10% above RPA, and the positions <b>Fp2, AF8, F8,</b></span></font></div>
<div><font face="arial, sans-serif"><span style="font-size:12.571428298950195px"><b>FT8, T8, TP8, P8, PO8 and O2</b> are marked at 10% distances.</span></font></div><span style="font-family:arial,sans-serif;font-size:12.571428298950195px">(citation ends)</span><br>
<div><br></div><div>Makoto</div></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 22, 2014 at 12:53 AM, Liat Levita <span dir="ltr"><<a href="mailto:l.levita@sheffield.ac.uk" target="_blank">l.levita@sheffield.ac.uk</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">Thank you so much Makoto.<div><br></div><div>However see image attached, some locations are off the model head. </div>
<div><br></div><div>Any thoughts? Rather worried about this. </div><div><br></div><div>WIth best wishes, </div><div><br></div><div>Liat</div><div><br></div><div><img height="419" width="560" src="cid:584D0EC8-1AA1-4DB4-8E45-CBEEFBBBBC87@Home"><div>
<div class="h5"><br><div><div>On 22 Aug 2014, at 04:42, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr">Dear Liat,<div>
<br></div><div>I often noticed it too, but every time I saw it I suspected this should be an optical illusion due to the labels plotted off the center... sorry if I'm not getting what you mean.</div>
<div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Aug 21, 2014 at 2:29 AM, Liat <span dir="ltr"><<a href="mailto:l.levita@sheffield.ac.uk" target="_blank">l.levita@sheffield.ac.uk</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 style="word-wrap:break-word">Hello dear all, </div><div style="word-wrap:break-word">
<br></div><div style="word-wrap:break-word">I have seen a few posts about issues importing Biosemi Channel coordinates to EEGLab. Following another post, I have made some progress in doing this (created a .txt file to upload locations, which I hope is correct)</div>
<div style="word-wrap:break-word"><span style="font-size:10pt;font-family:Courier;color:blue"><br></span></div><div style="word-wrap:break-word"><span>Method used: </span></div><div style="word-wrap:break-word"><span><br>
</span></div><div style="word-wrap:break-word"><span><b>1.</b> Typed following command </span></div><div style="word-wrap:break-word"><span><br></span></div><div style="word-wrap:break-word"><font face="Arial"><b><span style="color:blue"> </span><span style="color:blue">pop_chanedit(readlocs('biosemi_eloc.txt', 'format', { 'labels' 'sph_theta_besa' 'sph_phi_besa' }, 'skiplines', 1))</span></b></font><span style="color:blue;font-family:Courier;font-size:10pt"> </span></div>
<div style="word-wrap:break-word"><i><span style="font-family:'Times New Roman'"><br></span></i></div><div style="word-wrap:break-word"><i><font face="Times New Roman">'biosemi_eloc.txt’ – File containing biosemi coordinates and electrode locations names - at end of message pasted in what is in that text file.</font></i></div>
<div style="word-wrap:break-word"><p><span><b>2.</b> A pop_chanedit() GUI will come up – press </span><b>Okay</b></p><p><span lang="EN-US"><b>3. </b><span style="font-family:'Times New Roman';font-size:7pt"> </span></span><span lang="EN-US">A pop_chanedit() GUI will come up – which now contain the Biosemi coordinate space (as specified in the text file). Now you can save this information as a .ced file (also attached), which I can be used to edit the location channels more easily in the future.</span></p>
</div><div style="word-wrap:break-word">However, but when I plot (2D) I can see some channel locations off the model head, most look okay, but some seem to be to be positioned to much to left (out of the head), even though CZ does seem to be in the middle. How does one fix this? and is this a real problem? The 3D looks okay.</div>
<div style="word-wrap:break-word"><br></div><div style="word-wrap:break-word">Thank you for your help in advance, </div><div style="word-wrap:break-word"><br></div><div style="word-wrap:break-word">Liat</div><div style="word-wrap:break-word">
<br></div><div style="word-wrap:break-word">PS.</div><div style="word-wrap:break-word"><i><font face="Times New Roman"><br></font></i></div><div style="word-wrap:break-word"><i><font face="Times New Roman">biosemi_eloc.txt’</font></i></div>
<div style="word-wrap:break-word"><div style="word-wrap:break-word">Electrode<span style="white-space:pre-wrap"> </span>_<span style="white-space:pre-wrap"> </span>_</div><div style="word-wrap:break-word">Fp1<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>-72</div>
<div style="word-wrap:break-word">AF7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>-54</div><div style="word-wrap:break-word">AF3<span style="white-space:pre-wrap"> </span>-74<span style="white-space:pre-wrap"> </span>-65</div>
<div style="word-wrap:break-word">F1<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap"> </span>-68</div><div style="word-wrap:break-word">F3<span style="white-space:pre-wrap"> </span>-60<span style="white-space:pre-wrap"> </span>-51</div>
<div style="word-wrap:break-word">F5<span style="white-space:pre-wrap"> </span>-75<span style="white-space:pre-wrap"> </span>-41</div><div style="word-wrap:break-word">F7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>-36</div>
<div style="word-wrap:break-word">FT7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>-18</div><div style="word-wrap:break-word">FC5<span style="white-space:pre-wrap"> </span>-72<span style="white-space:pre-wrap"> </span>-21</div>
<div style="word-wrap:break-word">FC3<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap"> </span>-28</div><div style="word-wrap:break-word">FC1<span style="white-space:pre-wrap"> </span>-32<span style="white-space:pre-wrap"> </span>-45</div>
<div style="word-wrap:break-word">C1<span style="white-space:pre-wrap"> </span>-23<span style="white-space:pre-wrap"> </span>0</div><div style="word-wrap:break-word">C3<span style="white-space:pre-wrap"> </span>-46<span style="white-space:pre-wrap"> </span>0</div>
<div style="word-wrap:break-word">C5<span style="white-space:pre-wrap"> </span>-69<span style="white-space:pre-wrap"> </span>0</div><div style="word-wrap:break-word">T7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>0</div>
<div style="word-wrap:break-word">TP7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>18</div><div style="word-wrap:break-word">CP5<span style="white-space:pre-wrap"> </span>-72<span style="white-space:pre-wrap"> </span>21</div>
<div style="word-wrap:break-word">CP3<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap"> </span>28</div><div style="word-wrap:break-word">CP1<span style="white-space:pre-wrap"> </span>-32<span style="white-space:pre-wrap"> </span>45</div>
<div style="word-wrap:break-word">P1<span style="white-space:pre-wrap"> </span>-50<span style="white-space:pre-wrap"> </span>68</div><div style="word-wrap:break-word">P3<span style="white-space:pre-wrap"> </span>-60<span style="white-space:pre-wrap"> </span>51</div>
<div style="word-wrap:break-word">P5<span style="white-space:pre-wrap"> </span>-75<span style="white-space:pre-wrap"> </span>41</div><div style="word-wrap:break-word">P7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>36</div>
<div style="word-wrap:break-word">P9<span style="white-space:pre-wrap"> </span>-115<span style="white-space:pre-wrap"> </span>36</div><div style="word-wrap:break-word">PO7<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>54</div>
<div style="word-wrap:break-word">PO3<span style="white-space:pre-wrap"> </span>-74<span style="white-space:pre-wrap"> </span>65</div><div style="word-wrap:break-word">O1<span style="white-space:pre-wrap"> </span>-92<span style="white-space:pre-wrap"> </span>72</div>
<div style="word-wrap:break-word">Iz (inion)<span style="white-space:pre-wrap"> </span>115<span style="white-space:pre-wrap"> </span>-90</div><div style="word-wrap:break-word">Oz<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>-90</div>
<div style="word-wrap:break-word">POz<span style="white-space:pre-wrap"> </span>69<span style="white-space:pre-wrap"> </span>-90</div><div style="word-wrap:break-word">Pz<span style="white-space:pre-wrap"> </span>46<span style="white-space:pre-wrap"> </span>-90</div>
<div style="word-wrap:break-word">CPz<span style="white-space:pre-wrap"> </span>23<span style="white-space:pre-wrap"> </span>-90</div><div style="word-wrap:break-word">Fpz<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>90</div>
<div style="word-wrap:break-word">Fp2<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>72</div><div style="word-wrap:break-word">AF8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>54</div>
<div style="word-wrap:break-word">AF4<span style="white-space:pre-wrap"> </span>74<span style="white-space:pre-wrap"> </span>65</div><div style="word-wrap:break-word">Afz<span style="white-space:pre-wrap"> </span>69<span style="white-space:pre-wrap"> </span>90</div>
<div style="word-wrap:break-word">Fz<span style="white-space:pre-wrap"> </span>46<span style="white-space:pre-wrap"> </span>90</div><div style="word-wrap:break-word">F2<span style="white-space:pre-wrap"> </span>50<span style="white-space:pre-wrap"> </span>68</div>
<div style="word-wrap:break-word">F4<span style="white-space:pre-wrap"> </span>60<span style="white-space:pre-wrap"> </span>51</div><div style="word-wrap:break-word">F6<span style="white-space:pre-wrap"> </span>75<span style="white-space:pre-wrap"> </span>41</div>
<div style="word-wrap:break-word">F8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>36</div><div style="word-wrap:break-word">FT8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>18</div>
<div style="word-wrap:break-word">FC6<span style="white-space:pre-wrap"> </span>72<span style="white-space:pre-wrap"> </span>21</div><div style="word-wrap:break-word">FC4<span style="white-space:pre-wrap"> </span>50<span style="white-space:pre-wrap"> </span>28</div>
<div style="word-wrap:break-word">FC2<span style="white-space:pre-wrap"> </span>32<span style="white-space:pre-wrap"> </span>45</div><div style="word-wrap:break-word">FCz<span style="white-space:pre-wrap"> </span>23<span style="white-space:pre-wrap"> </span>90</div>
<div style="word-wrap:break-word">Cz<span style="white-space:pre-wrap"> </span>0<span style="white-space:pre-wrap"> </span>0</div><div style="word-wrap:break-word">C2<span style="white-space:pre-wrap"> </span>23<span style="white-space:pre-wrap"> </span>0</div>
<div style="word-wrap:break-word">C4<span style="white-space:pre-wrap"> </span>46<span style="white-space:pre-wrap"> </span>0</div><div style="word-wrap:break-word">C6<span style="white-space:pre-wrap"> </span>69<span style="white-space:pre-wrap"> </span>0</div>
<div style="word-wrap:break-word">T8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>0</div><div style="word-wrap:break-word">TP8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>-18</div>
<div style="word-wrap:break-word">CP6<span style="white-space:pre-wrap"> </span>72<span style="white-space:pre-wrap"> </span>-21</div><div style="word-wrap:break-word">CP4<span style="white-space:pre-wrap"> </span>50<span style="white-space:pre-wrap"> </span>-28</div>
<div style="word-wrap:break-word">CP2<span style="white-space:pre-wrap"> </span>32<span style="white-space:pre-wrap"> </span>-45</div><div style="word-wrap:break-word">P2<span style="white-space:pre-wrap"> </span>50<span style="white-space:pre-wrap"> </span>-68</div>
<div style="word-wrap:break-word">P4<span style="white-space:pre-wrap"> </span>60<span style="white-space:pre-wrap"> </span>-51</div><div style="word-wrap:break-word">P6<span style="white-space:pre-wrap"> </span>75<span style="white-space:pre-wrap"> </span>-41</div>
<div style="word-wrap:break-word">P8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>-36</div><div style="word-wrap:break-word">P10<span style="white-space:pre-wrap"> </span>115<span style="white-space:pre-wrap"> </span>36</div>
<div style="word-wrap:break-word">PO8<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>-54</div><div style="word-wrap:break-word">PO4<span style="white-space:pre-wrap"> </span>74<span style="white-space:pre-wrap"> </span>-65</div>
<div style="word-wrap:break-word">O2<span style="white-space:pre-wrap"> </span>92<span style="white-space:pre-wrap"> </span>-72</div></div></div><br>_______________________________________________<br>
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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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</blockquote></div><br></div></div></div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br>
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