<div dir="ltr"><div class="gmail_default" style="color:rgb(51,51,153)">Hello Mariana,</div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">here's some pointers that should be able to help you get to your goal. </div>
<div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">IN case you have never plotted a 3D head plot in eeglab, please do the following first:</div><div class="gmail_default" style="color:rgb(51,51,153)">
1. load up one of the eeglab tutorial files and plot a 3D Head Plot using the GUI. </div><div class="gmail_default" style="color:rgb(51,51,153)">2. When you have run the 3D Head plot and you see a figure, then type eegh to see the function that is being used. (pop_headplot)</div>
<div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">For your specific question, you will need to feed your matrix and other appropriate information to the 3D headplot function.</div>
<div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">3. If you google the following "<a href="http://www.google.com/search?client=safari&rls=en&q=EEGLAB+functions+3D+head+plot&ie=UTF-8&oe=UTF-8">EEGLAB functions 3D head plot</a>", then read the first 2 links</div>
<div class="gmail_default" style="color:rgb(51,51,153)">4. you can also simply search for the list of EEGLAB functions, and find the headplot function.</div><div class="gmail_default" style="color:rgb(51,51,153)">5. Please note to have an accurate head plot, you need to make sure that your electrodes are correctly aligned on the 3d head.</div>
<div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">see also the following from the following page:</div><div class="gmail_default" style="color:rgb(51,51,153)">
<a href="http://sccn.ucsd.edu/wiki/EEGLAB_Menu_Functions">http://sccn.ucsd.edu/wiki/EEGLAB_Menu_Functions</a><br></div><div class="gmail_default" style="color:rgb(51,51,153)"><b style="color:rgb(0,0,0);font-family:sans-serif;font-size:13px;line-height:19px"><br>
</b></div><div class="gmail_default" style="color:rgb(51,51,153)"><b style="color:rgb(0,0,0);font-family:sans-serif;font-size:13px;line-height:19px">ERP maps</b><span style="color:rgb(0,0,0);font-family:sans-serif;font-size:13px;line-height:19px"></span><dl style="margin-top:0.2em;margin-bottom:0.5em;color:rgb(0,0,0);font-family:sans-serif;font-size:13px;line-height:19px">
<dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em">As 2-D scalp maps -- <a rel="nofollow" class="" href="http://sccn.ucsd.edu/eeglab/allfunctions/pop_topoplot.m" style="text-decoration:none;color:rgb(102,51,102)">pop_topoplot()</a></dd>
<dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em">As 3-D head plots -- <a rel="nofollow" class="" href="http://sccn.ucsd.edu/eeglab/allfunctions/pop_headplot.m" style="text-decoration:none;color:rgb(102,51,102)">pop_headplot()</a></dd>
<dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em"><br></dd><dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em"><b>Component maps</b><dl style="margin-top:0.2em;margin-bottom:0.5em"><dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em">
As 2-D scalp maps -- <a rel="nofollow" class="" href="http://sccn.ucsd.edu/eeglab/allfunctions/pop_topoplot.m" style="text-decoration:none;color:rgb(102,51,102)">pop_topoplot()</a></dd><dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em">
As 3-D head plots -- <a rel="nofollow" class="" href="http://sccn.ucsd.edu/eeglab/allfunctions/pop_headplot.m" style="text-decoration:none;color:rgb(102,51,102)">pop_headplot()</a></dd></dl></dd></dl></div><div class="gmail_default" style="color:rgb(51,51,153)">
<br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div></div><div class="gmail_extra">
<br clear="all"><div>Tarik Bel-Bahar, Postdoctoral Fellow<br>Perception, Performance & Psychophysiology Lab<br><a href="http://tarik.777@duke.edu/" target="_blank">tarik.777@duke.edu/</a> 919 328 9573<br>Div. of Brain Stimulation and Neurophysiology<br>
Dep. of Psychiatry and Behavioral Sciences<br>Duke University Medical Center, Duke Clinics<br>Red Zone, 5th Floor, Rm. 54236<br>200 Trent Drive, Durham, NC 27710</div>
<br><br><div class="gmail_quote">On Thu, Apr 18, 2013 at 2:06 AM, Mariana Branco <span dir="ltr"><<a href="mailto:marianapbranco1@gmail.com" target="_blank">marianapbranco1@gmail.com</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">Dear Makoto,<div><br></div><div>I have already my data interpolated into a 100x100 matrix and my issue is: how can I plot is on a Head Plot, similar or equal to the one Topoplot() retrieves?</div>
<div>I believe topoplot only receives a list of channels and locations and interpolates the data. However, I have already interpolated the data, so I just need to plot it.</div><div><br></div><div>Regards,</div><div>Mariana Branco</div>
<div><div class="h5"><div><br><div><div>On 18 Apr 2013, at 02:56, Makoto Miyakoshi <<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr">
Dear Mariana,<div><br></div><div>Open tools - interpolate electrodes to see if that's what you want. If not, please ask your question again with more detail.</div><div><br></div><div>Makoto</div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">2013/4/9 Mariana Branco <span dir="ltr"><<a href="mailto:marianapbranco1@gmail.com" target="_blank">marianapbranco1@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Dear Sir/Madam,<br>
<br>
I just started working with EEGLab toolbox and I am looking for a plotting function like Topoplot, but that does not interpolate the channels, but receives instead as input a matrix with the interpolated channels. Is there any function or option that allows this? Or is it possible to alter the Topoplot function for this purpose?<br>
<br>
Thank you for the help,<br>
Mariana Branco<br>
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</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></div>
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