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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Hello all,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I ‘m facing serious problems with this function… How
can I define the dip.inside and dip.outside ? Besides, for 2 dipoles, this
line seems to be incorrect : <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-US
style='font-size:10.0pt;font-family:"Courier New";color:black'>dip.leadfield{i}
= compute_leadfield(dip.pos(i,:), grad, vol, </span><span lang=EN-US
style='font-size:10.0pt;font-family:"Courier New";color:#A020F0'>'reducerank'</span><span
lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black'>,
reducerank, </span><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New";
color:#A020F0'>'normalize'</span><span lang=EN-US style='font-size:10.0pt;
font-family:"Courier New";color:black'>, normalize, </span><span lang=EN-US
style='font-size:10.0pt;font-family:"Courier New";color:#A020F0'>'normalizeparam'</span><span
lang=EN-US style='font-size:10.0pt;font-family:"Courier New";color:black'>,
normalizeparam) * dip.mom(:,i);</span><span lang=EN-US style='font-family:"Courier New"'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>It seems to be a dimension problem between the matrix given by compute_leadfield
and dip.mom (1x6 in case of 2 dipoles…)…<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thx in advance,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Gatien Hocepied<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> FieldTrip
discussion list [mailto:FIELDTRIP@NIC.SURFNET.NL] <b>De la part de</b> Victoria
Eugenia Montes Restrepo<br>
<b>Envoyé :</b> jeudi 5 mars 2009 22:21<br>
<b>À :</b> FIELDTRIP@NIC.SURFNET.NL<br>
<b>Objet :</b> [FIELDTRIP] Source localization with minimum norm<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Hello all,</span><o:p></o:p></p>
</div>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>I'm using
the minimumnormestimate() function from the Forwinv toolbox with a four-shell
spherical head model, and assuming orthogonal dipoles orientation.
When applying this function, I obtain the strengths and power at
each source location. If my objective is choosing a single source, which
procedure should I use after estimation of these current densities?</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Thanks in
advance,</span><o:p></o:p></p>
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<div>
<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Victoria
Eugenia Montes</span><o:p></o:p></p>
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<div>
<p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>Universidad
Nacional de Colombia - Manizales</span><o:p></o:p></p>
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<p>----------------------------------<o:p></o:p></p>
<p>The aim of this list is to facilitate the discussion between users of the FieldTrip
toolbox, to share experiences and to discuss new ideas for MEG and EEG
analysis.<o:p></o:p></p>
<p>http://listserv.surfnet.nl/archives/fieldtrip.html<o:p></o:p></p>
<p>http://www.ru.nl/fcdonders/fieldtrip/<o:p></o:p></p>
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<p>----------------------------------</p>
<p>The aim of this list is to facilitate the discussion between users of the FieldTrip toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis.</p>
<p> http://listserv.surfnet.nl/archives/fieldtrip.html</p>
<p> http://www.ru.nl/fcdonders/fieldtrip/</p>