<div dir="ltr">Dear Salim,<div><br></div><div>Well, the assumption in using ICA on EEG is that the decomposed ICs should have dipolar scalp topos (for detail, see Delorme et al, 2012 Plos One 'Independent components are dipolar') Your IC17 is not dipolar unfortunately, so it is not likely that IC17 reflects good brain activity.</div><div><br></div><div>When you create STUDY, you may want to apply 15% residual variance threshold (by default). It's like a rule of thumb (there is indirect evidence that supports it shown in Artoni's recent publication, but it is not explicitly stated). You may want to exclude any ICs larger than r.v. > 15 % (or localized in outside brain).</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 27, 2015 at 3:25 AM, 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:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:arial,helvetica,sans-serif;font-size:16px"><div dir="ltr">Dear Mr. Makoto</div><div dir="ltr">Please find the attached pictures which illustrate the use of one dipole, two dipoles (with symmetry constrain ON) and two dipoles (with symmetry constrain OFF). </div><div dir="ltr">My question is if the unsymmetrical dipoles not recommended, What can I do with such scalp map to get the best dipoles?</div><div dir="ltr"><br></div><div dir="ltr">Sincerely</div><div dir="ltr">Salim</div><div dir="ltr"><br></div><div dir="ltr"><a href="https://drive.google.com/file/d/0B-waDFAaEHcuRmR0U19JN1VSMG8/view?usp=sharing" target="_blank">https://drive.google.com/file/d/0B-waDFAaEHcuRmR0U19JN1VSMG8/view?usp=sharing</a><br></div><div dir="ltr"><a href="https://drive.google.com/file/d/0B-waDFAaEHcudlpkc3NDaUtueVU/view?usp=sharing" target="_blank">https://drive.google.com/file/d/0B-waDFAaEHcudlpkc3NDaUtueVU/view?usp=sharing</a><br></div><div dir="ltr"><a href="https://drive.google.com/file/d/0B-waDFAaEHcudloyTXpGMmtTWFk/view?usp=sharing" target="_blank">1 dipole.JPG</a><br></div><div style="width:450px;font-family:'Georgia','Times','Times New Roman','serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff"><table cellspacing="0" cellpadding="0" border="0" style="width:450px;height:170px;display:block"><tbody><tr><td colspan="8" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr><tr><td rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td rowspan="5" style="vertical-align:middle;width:168px;height:168px;background-color:#000000;border-collapse:collapse"><div style="width:168px" align="center"><a href="https://drive.google.com/file/d/0B-waDFAaEHcudloyTXpGMmtTWFk/view?usp=sharing" style="text-decoration:none!important;color:#000000!important" target="_blank"><img alt="image" src="https://lh4.googleusercontent.com/rj9E3ngFrodPcsnFFo6EcZBXYduHqYCX6VpH_4vEmq8ut_621-1seQ=w1200-h630-p" width="168" height="88" style="display:block;margin:auto"></a></div></td><td rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:0pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td rowspan="5" style="width:14px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:14px;background-color:#ffffff;font-size:14pt"> </div></td><td colspan="2" style="height:6px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:6px;background-color:#ffffff;font-size:6pt"> </div></td><td rowspan="5" style="width:20px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:20px;background-color:#ffffff;font-size:20pt"> </div></td><td rowspan="5" width="1" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td></tr><tr><td colspan="2" style="width:100%;vertical-align:middle;font-family:'Georgia','Times','Times New Roman','serif'"><div style="line-height:16.5px;background-color:#ffffff;min-height:135px;width:245px"><div style="word-wrap:break-word;word-break:break-all"><span></span><span></span><a href="https://drive.google.com/file/d/0B-waDFAaEHcudloyTXpGMmtTWFk/view?usp=sharing" style="text-decoration:none!important;color:#000000!important;line-height:100%;font-size:18px;display:block" target="_blank"><span style="margin:0;font-weight:normal;margin-bottom:3px;font-size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden!important;display:inline-block">1 dipole.JPG</span></a></div></div></td></tr><tr><td colspan="2" style="height:4px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:4px;background-color:#ffffff;font-size:4pt"></div></td></tr><tr><td style="vertical-align:middle;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="font-size:0pt"><a href="https://drive.google.com/file/d/0B-waDFAaEHcudloyTXpGMmtTWFk/view?usp=sharing" style="color:black;text-decoration:none!important" target="_blank"><span style="display:inline-block;line-height:11px;max-width:145px;min-width:85px;overflow:hidden;max-height:13px;word-break:break-all"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">View on <span style="font-weight:bold">drive.google.com</span></span></span></a></div></td><td style="vertical-align:middle;width:100px;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="max-width:100px;min-width:80px;overflow:hidden;text-align:right;line-height:11px;max-height:13px;font-size:0pt"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">Preview by Yahoo</span></div></td></tr><tr><td colspan="2" style="height:9px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:9px;background-color:#ffffff;font-size:9pt"></div></td></tr><tr><td colspan="8" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr></tbody></table></div><div dir="ltr"><a href="https://drive.google.com/file/d/0B-waDFAaEHcud0VObmkySzQwUEE/view?usp=sharing" target="_blank">without symmetry.JPG</a><br></div><div style="width:450px;font-family:'Georgia','Times','Times New Roman','serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff"><table cellspacing="0" cellpadding="0" border="0" style="width:450px;height:170px;display:block"><tbody><tr><td colspan="8" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr><tr><td rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td rowspan="5" style="vertical-align:middle;width:168px;height:168px;background-color:#000000;border-collapse:collapse"><div style="width:168px" align="center"><a href="https://drive.google.com/file/d/0B-waDFAaEHcud0VObmkySzQwUEE/view?usp=sharing" style="text-decoration:none!important;color:#000000!important" target="_blank"><img alt="image" src="https://lh3.googleusercontent.com/sjccujnGhdNsMbqnNQ9FYRExhOap64FJ5sKXWirKUcKJxbY2K1WZnA=w1200-h630-p" width="168" height="88" style="display:block;margin:auto"></a></div></td><td rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:0pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td rowspan="5" style="width:14px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:14px;background-color:#ffffff;font-size:14pt"> </div></td><td colspan="2" style="height:6px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:6px;background-color:#ffffff;font-size:6pt"> </div></td><td rowspan="5" style="width:20px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:20px;background-color:#ffffff;font-size:20pt"> </div></td><td rowspan="5" width="1" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td></tr><tr><td colspan="2" style="width:100%;vertical-align:middle;font-family:'Georgia','Times','Times New Roman','serif'"><div style="line-height:16.5px;background-color:#ffffff;min-height:135px;width:245px"><div style="word-wrap:break-word;word-break:break-all"><span></span><span></span><a href="https://drive.google.com/file/d/0B-waDFAaEHcud0VObmkySzQwUEE/view?usp=sharing" style="text-decoration:none!important;color:#000000!important;line-height:100%;font-size:18px;display:block" target="_blank"><span style="margin:0;font-weight:normal;margin-bottom:3px;font-size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden!important;display:inline-block">without symmetry.JPG</span></a></div></div></td></tr><tr><td colspan="2" style="height:4px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:4px;background-color:#ffffff;font-size:4pt"></div></td></tr><tr><td style="vertical-align:middle;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="font-size:0pt"><a href="https://drive.google.com/file/d/0B-waDFAaEHcud0VObmkySzQwUEE/view?usp=sharing" style="color:black;text-decoration:none!important" target="_blank"><span style="display:inline-block;line-height:11px;max-width:145px;min-width:85px;overflow:hidden;max-height:13px;word-break:break-all"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">View on <span style="font-weight:bold">drive.google.com</span></span></span></a></div></td><td style="vertical-align:middle;width:100px;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="max-width:100px;min-width:80px;overflow:hidden;text-align:right;line-height:11px;max-height:13px;font-size:0pt"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">Preview by Yahoo</span></div></td></tr><tr><td colspan="2" style="height:9px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:9px;background-color:#ffffff;font-size:9pt"></div></td></tr><tr><td colspan="8" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr></tbody></table></div><div><div class="h5"><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div>  <div dir="ltr"><br></div><br><div><br><br></div><div style="display:block"> <div style="font-family:arial,helvetica,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div dir="ltr"> <font face="Arial"> On Thursday, 26 March 2015, 18:01, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:<br> </font> </div>  <br><br> <div><div><div><div dir="ltr">No, that is not recommended. If you put more dipoles, residual variances become always smaller, which is meaningless. You have no reason to justify the two dipoles in terms of ICA; ICA usually gives you dipolar scalp topos for true EEG sources...<div><br clear="none"></div><div>Makoto</div></div><div><br clear="none"><div><div>On Sat, Mar 21, 2015 at 4:39 AM, Salim Al-wasity <span dir="ltr"><<a rel="nofollow" shape="rect" href="mailto:salim_alwasity@yahoo.com" target="_blank">salim_alwasity@yahoo.com</a>></span> wrote:<br clear="none"><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:arial,helvetica,sans-serif;font-size:16px"><div dir="ltr">Dears</div><div dir="ltr">I ran the 'fine_fit' with 'symmetry constrain for dipole' is OFF. I did that to get lower RV value.</div><div><div>  <br clear="none"><div><br clear="none"><br clear="none"></div><div style="display:block"> <div style="font-family:arial,helvetica,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div dir="ltr"> <font face="Arial"> On Thursday, 19 March 2015, 17:48, Makoto Miyakoshi <<a rel="nofollow" shape="rect" href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:<br clear="none"> </font> </div>  <br clear="none"><br clear="none"> <div><div><div><div dir="ltr">Dear Salim,<div><br clear="none"></div><div>Well, I'm concerned with the two dipole fit results. They don't seem symmetrical. How did you obtain the current positions?</div><div><br clear="none"></div><div>Makoto</div></div><div><br clear="none"><div><div>On Thu, Mar 5, 2015 at 1:28 AM, Salim Al-wasity <span dir="ltr"><<a rel="nofollow" shape="rect" href="mailto:salim_alwasity@yahoo.com" target="_blank">salim_alwasity@yahoo.com</a>></span> wrote:<br clear="none"><blockquote style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:arial,helvetica,sans-serif;font-size:16px"><span></span><div dir="ltr">Dear Mr. Makoto</div><div dir="ltr">Thanks for your reply. I attached a picture of bilateral dipoles obtained by (Locate Dipoles using DIPFIT2> Plot component dipoles) and it shows only only coordinate. However (Locate Dipoles using DIPFIT2> Fine fit) shows two coordinates. Which coordinates are the correct one?</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Sincerely</div><div dir="ltr">Salim</div><div><br clear="none"></div><div><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcudzlhTzJEU21xUUk/view?usp=sharing" target="_blank">dipoles.JPG</a><br clear="none"></div><div style="width:450px;font-family:'Georgia','Times','Times New Roman','serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff"><table cellspacing="0" cellpadding="0" border="0" style="width:450px;height:170px;display:block"><tbody><tr><td colspan="8" rowspan="1" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr><tr><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td colspan="1" rowspan="5" style="vertical-align:middle;width:168px;height:168px;background-color:#000000;border-collapse:collapse"><div align="center" style="width:168px"><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcudzlhTzJEU21xUUk/view?usp=sharing" style="text-decoration:none!important;color:#000000!important" target="_blank"><img alt="image" src="https://lh5.googleusercontent.com/O74O7G3nfObl7sI5V42MH7uIcI1YZu4BGKS7bWCHVMuVze2M9kzWAA=w1200-h630-p" width="168" height="88" style="display:block;margin:auto"></a></div></td><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:0pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td colspan="1" rowspan="5" style="width:14px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:14px;background-color:#ffffff;font-size:14pt"> </div></td><td colspan="2" rowspan="1" style="height:6px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:6px;background-color:#ffffff;font-size:6pt"> </div></td><td colspan="1" rowspan="5" style="width:20px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:20px;background-color:#ffffff;font-size:20pt"> </div></td><td colspan="1" rowspan="5" width="1" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td></tr><tr><td colspan="2" rowspan="1" style="width:100%;vertical-align:middle;font-family:'Georgia','Times','Times New Roman','serif'"><div style="line-height:16.5px;background-color:#ffffff;min-height:135px;width:245px"><div style="word-wrap:break-word"><span></span><span></span><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcudzlhTzJEU21xUUk/view?usp=sharing" style="text-decoration:none!important;color:#000000!important;line-height:100%;font-size:18px;display:block" target="_blank"><span style="margin:0;font-weight:normal;margin-bottom:3px;font-size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden!important;display:inline-block">dipoles.JPG</span></a></div></div></td></tr><tr><td colspan="2" rowspan="1" style="height:4px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:4px;background-color:#ffffff;font-size:4pt"></div></td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:middle;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="font-size:0pt"><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcudzlhTzJEU21xUUk/view?usp=sharing" style="color:black;text-decoration:none!important" target="_blank"><span style="display:inline-block;line-height:11px;max-width:145px;min-width:85px;overflow:hidden;max-height:13px"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">View on <span style="font-weight:bold">drive.google.com</span></span></span></a></div></td><td colspan="1" rowspan="1" style="vertical-align:middle;width:100px;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="max-width:100px;min-width:80px;overflow:hidden;text-align:right;line-height:11px;max-height:13px;font-size:0pt"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">Preview by Yahoo</span></div></td></tr><tr><td colspan="2" rowspan="1" style="height:9px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:9px;background-color:#ffffff;font-size:9pt"></div></td></tr><tr><td colspan="8" rowspan="1" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr></tbody></table></div><div><br clear="none"></div><div> <a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcuRGdyNm9IUFg5azA/view?usp=sharing" target="_blank">fine fit.JPG</a></div><div style="width:450px;font-family:'Georgia','Times','Times New Roman','serif';margin-top:5px;margin-bottom:5px;background-color:#ffffff"><table cellspacing="0" cellpadding="0" border="0" style="width:450px;height:170px;display:block"><tbody><tr><td colspan="8" rowspan="1" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr><tr><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td colspan="1" rowspan="5" style="vertical-align:middle;width:168px;height:168px;background-color:#000000;border-collapse:collapse"><div align="center" style="width:168px"><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcuRGdyNm9IUFg5azA/view?usp=sharing" style="text-decoration:none!important;color:#000000!important" target="_blank"><img alt="image" src="https://lh6.googleusercontent.com/zNS-30marOU5_khx_cWRBuxzR8OE20SjVsveZ5Aqkwf5r9FKmvWLsA=w1200-h630-p" width="168" height="88" style="display:block;margin:auto"></a></div></td><td colspan="1" rowspan="5" style="width:1px;background-color:#e5e5e5;font-size:0pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td><td colspan="1" rowspan="5" style="width:14px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:14px;background-color:#ffffff;font-size:14pt"> </div></td><td colspan="2" rowspan="1" style="height:6px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:6px;background-color:#ffffff;font-size:6pt"> </div></td><td colspan="1" rowspan="5" style="width:20px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="width:20px;background-color:#ffffff;font-size:20pt"> </div></td><td colspan="1" rowspan="5" width="1" style="width:1px;background-color:#e5e5e5;font-size:1pt;border-collapse:collapse"><div style="width:1px;background-color:#e5e5e5;font-size:1pt"> </div></td></tr><tr><td colspan="2" rowspan="1" style="width:100%;vertical-align:middle;font-family:'Georgia','Times','Times New Roman','serif'"><div style="line-height:16.5px;background-color:#ffffff;min-height:135px;width:245px"><div style="word-wrap:break-word"><span></span><span></span><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcuRGdyNm9IUFg5azA/view?usp=sharing" style="text-decoration:none!important;color:#000000!important;line-height:100%;font-size:18px;display:block" target="_blank"><span style="margin:0;font-weight:normal;margin-bottom:3px;font-size:18px;line-height:21px;max-height:43px;color:#000000;overflow:hidden!important;display:inline-block">fine fit.JPG</span></a></div></div></td></tr><tr><td colspan="2" rowspan="1" style="height:4px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:4px;background-color:#ffffff;font-size:4pt"></div></td></tr><tr><td colspan="1" rowspan="1" style="vertical-align:middle;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="font-size:0pt"><a rel="nofollow" shape="rect" href="https://drive.google.com/file/d/0B-waDFAaEHcuRGdyNm9IUFg5azA/view?usp=sharing" style="color:black;text-decoration:none!important" target="_blank"><span style="display:inline-block;line-height:11px;max-width:145px;min-width:85px;overflow:hidden;max-height:13px"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">View on <span style="font-weight:bold">drive.google.com</span></span></span></a></div></td><td colspan="1" rowspan="1" style="vertical-align:middle;width:100px;font-family:'Arial','Helvetica Neue','Helvetica','sans-serif'"><div style="max-width:100px;min-width:80px;overflow:hidden;text-align:right;line-height:11px;max-height:13px;font-size:0pt"><span style="vertical-align:middle;font-size:9px;line-height:11px;color:#999999">Preview by Yahoo</span></div></td></tr><tr><td colspan="2" rowspan="1" style="height:9px;background-color:#ffffff;font-size:0pt;border-collapse:collapse"><div style="min-height:9px;background-color:#ffffff;font-size:9pt"></div></td></tr><tr><td colspan="8" rowspan="1" style="height:1px;background-color:#e5e5e5;font-size:1px;border-collapse:collapse"><div style="min-height:1px;background-color:#e5e5e5;font-size:1px;line-height:0px"> </div></td></tr></tbody></table></div><div><div><div> </div> <div><br clear="none"><br clear="none"></div><div style="display:block"> <div style="font-family:arial,helvetica,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div dir="ltr"> <font face="Arial"> On Wednesday, 4 March 2015, 15:50, Salim Al-wasity <<a rel="nofollow" shape="rect" href="mailto:salim_alwasity@yahoo.com" target="_blank">salim_alwasity@yahoo.com</a>> wrote:<br clear="none"> </font> </div>  <br clear="none"><br clear="none"> <div><div><div><div style="color:#000;background-color:#fff;font-family:arial,helvetica,sans-serif;font-size:16px"><div dir="ltr">Dear Mr. Makoto</div><div dir="ltr">Thanks for your reply. I attached a picture of bilateral dipoles obtained by (Locate Dipoles using DIPFIT2> Plot component dipoles) and it shows only only coordinate. However (Locate Dipoles using DIPFIT2> Fine fit) shows two coordinates. Which coordinates are the correct one?</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Sincerely</div><div dir="ltr">Salim</div> <div><br clear="none"><br clear="none"></div><div><div style="display:block"> <div style="font-family:arial,helvetica,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif;font-size:16px"> <div dir="ltr"> <font face="Arial"> On Tuesday, 3 March 2015, 2:03, Makoto Miyakoshi <<a rel="nofollow" shape="rect" href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:<br clear="none"> </font> </div>  <br clear="none"><br clear="none"> <div><div><div><div dir="ltr">Dear Salim and Arno (cc Caterina)<div><br clear="none"></div><div>Sorry for the slow response.</div><div><br clear="none"></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">> Therefore I used bilateral dipoles to reduce the RV.</span><br clear="none"></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">Use bilateral dipole only when you see clear bilateral scalp topography!</span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></span></div><div><div dir="ltr" style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">> 1- In (plot component dipoles) options, it gives me only one coordination ever if I have two dipoles. How can I know where these two dipoles are?</div><div dir="ltr" style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></div><div style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">Really? That sounds weird to me. You should close the fine fit window by pressing 'ok' and not 'x' to update the data.</div><div dir="ltr" style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></div><div dir="ltr" style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">>2- Using a PCA clustering approach, I might find one cluster located at the right hemisphere but it has some dipoles at the left side (bilateral dipoles), Is this cluster correct?</div></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">Yes, that should be correct. To be honest I don't know how STUDY clustering handles dual dipoles, and I (and Caterina also) have wanted to know about it. Arno?</span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br clear="none"></span></div><div><span style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">Makoto</span></div><div><br clear="none"><div>On Tue, Feb 24, 2015 at 7:08 AM, Salim Al-wasity <span dir="ltr"><<a rel="nofollow" shape="rect" href="mailto:salim_alwasity@yahoo.com" target="_blank">salim_alwasity@yahoo.com</a>></span> wrote:<br clear="none"><blockquote 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><div style="color:rgb(0,0,0);font-family:arial,helvetica,sans-serif;font-size:16px;background-color:rgb(255,255,255)"><div>Dears<br clear="none"></div><div dir="ltr">After decompose my EEG data to components using ICA and estimate their dipoles, some of these dipoles have high residual variance(RV). Therefore I used bilateral dipoles to reduce the RV.</div><div dir="ltr">1- In (plot component dipoles) options, it gives me only one coordination ever if I have two dipoles. How can I know where these two dipoles are?</div><div dir="ltr">2- Using a PCA clustering approach, I might find one cluster located at the right hemisphere but it has some dipoles at the left side (bilateral dipoles), Is this cluster correct?</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Sincerely</div><span><font color="#888888"></font></span><div dir="ltr">Salim</div><div><br clear="none"></div><div><br clear="none"></div></div></div></div><br clear="none">_______________________________________________<br clear="none">
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For digest mode, send an email with the subject "set digest mime" to <a rel="nofollow" shape="rect" href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a><br clear="none"></blockquote></div><br clear="none"><br clear="all"><div><br clear="none"></div>-- <br clear="none"><div><div dir="ltr">Makoto Miyakoshi<br clear="none">Swartz Center for Computational Neuroscience<br clear="none">Institute for Neural Computation, University of California San Diego<br clear="none"></div></div>
</div></div></div></div><br clear="none"><br clear="none"></div>  </div> </div>  </div></div> </div></div></div><br clear="none"><br clear="none"></div>  </div> </div>  </div> </div></div></div></div></blockquote></div></div><br clear="none"><br clear="all"><div><br clear="none"></div>-- <br clear="none"><div><div dir="ltr">Makoto Miyakoshi<br clear="none">Swartz Center for Computational Neuroscience<br clear="none">Institute for Neural Computation, University of California San Diego<br clear="none"></div></div>
</div></div></div><br clear="none"><br clear="none"></div>  </div> </div>  </div></div></div></div></div></blockquote></div></div><br clear="none"><br clear="all"><div><br clear="none"></div>-- <br clear="none"><div><div dir="ltr">Makoto Miyakoshi<br clear="none">Swartz Center for Computational Neuroscience<br clear="none">Institute for Neural Computation, University of California San Diego<br clear="none"></div></div>
</div></div></div><br><br></div>  </div> </div>  </div></div></div></div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div></div>
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