<div dir="ltr">Dear Mohammed,<div><br></div><div>Sorry for belated response.</div><div>I asked the question to Nima and obtained the following response.</div><div><br></div><div>1. The data come from two different atlases.</div><div>2. Any area less than 0.5 contribution is not shown (wihch is why they don't sum up to 1).</div><div>3. For Brodmann area (in Talairach), it uses the closest cortical voxel. Basal ganglia is removed from this.</div><div><br></div><div>Probably 1 and 2 explains the difference.</div><div><br></div><div>Makoto</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Sep 18, 2016 at 1:57 AM, Mohammed Jarjees <span dir="ltr"><<a href="mailto:m.jarjees.1@research.gla.ac.uk" target="_blank">m.jarjees.1@research.gla.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 lang="EN-GB" link="blue" vlink="purple"><div class="m_7048472141477172356WordSection1"><p class="m_7048472141477172356MsoPlainText">Dear all,<u></u><u></u></p><p class="m_7048472141477172356MsoPlainText">I have used Measure Projection Toolbox (MPT) to analyse  motor imagery EEG data.  In some domains I get Brodmann areas contributing and corresponding anatomical areas which are not covering these Brodmann areas at all (example below). If they are complementary, then why BA adds up to 91% and anatomical areas up to  83%?<u></u><u></u></p><p class="m_7048472141477172356MsoPlainText"><u></u> <u></u></p><table class="m_7048472141477172356MsoTableGrid" border="0" cellspacing="0" cellpadding="0" style="margin-left:110.6pt;border-collapse:collapse;border:none"><tbody><tr><td width="160" valign="top" style="width:119.7pt;border-top:solid windowtext 1.0pt;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:none;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Brodmann areas<u></u><u></u></span></b></p></td><td width="160" valign="top" style="width:119.7pt;border-top:solid windowtext 1.0pt;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:none;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Probability<u></u><u></u></span></b></p></td></tr><tr><td width="160" valign="top" style="width:119.7pt;border:none;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">BA 25<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">BA 23<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">BA 34<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">BA 29<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">BA 28<u></u><u></u></span></p></td><td width="160" valign="top" style="width:119.7pt;border:none;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.47<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.16<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.16<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.06<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.06<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p></td></tr><tr><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Total Probability<u></u><u></u></span></b></p></td><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.91<u></u><u></u></span></b></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></b></p></td></tr><tr><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Anatomical areas<u></u><u></u></span></b></p></td><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Probabilities<u></u><u></u></span></b></p></td></tr><tr><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">L Caudate<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Brainstem<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">R Caudate<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">L Putamen<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">Total Probability</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">       <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p></td><td width="160" valign="top" style="width:119.7pt;border:none;border-bottom:solid windowtext 1.0pt;padding:0cm 5.4pt 0cm 5.4pt"><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.29<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.23<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.17<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.14<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif""><u></u> <u></u></span></p><p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:"Times New Roman","serif"">0.83</span></b><u></u><u></u></p></td></tr></tbody></table><p class="m_7048472141477172356MsoPlainText"><u></u> <u></u></p><p class="m_7048472141477172356MsoPlainText"><u></u> <u></u></p><p class="m_7048472141477172356MsoPlainText">I understand that anatomical areas can be wider than BAs, but shouldn't it anatomical areas cover BAs?<u></u><u></u></p><p class="m_7048472141477172356MsoPlainText">How should I interpret this?<u></u><u></u></p><p class="m_7048472141477172356MsoPlainText"><u></u> <u></u></p><p class="m_7048472141477172356MsoPlainText">Best Regards<span class="HOEnZb"><font color="#888888"><u></u><u></u></font></span></p><span class="HOEnZb"><font color="#888888"><p class="m_7048472141477172356MsoPlainText">Mohammed<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p></font></span></div></div><br>______________________________<wbr>_________________<br>
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