<div dir="ltr">Hello Neha, <div><br></div><div>This should be possible. topoplot() takes a vector of values (typically amplitudes, or mean amplitudes over a time window) for each channel, so it should work the same if you just put in the standard deviations instead.</div><div><br></div><div>What "does not work" about what you tried? What was your code, what error did you get, etc.?</div><div><br></div><div>Best,</div><div>Steve</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><br><br></div>Stephen Politzer-Ahles<br>New York University, Abu Dhabi<br>Neuroscience of Language Lab<br><a href="http://www.nyu.edu/projects/politzer-ahles/" target="_blank">http://www.nyu.edu/projects/politzer-ahles/</a><br></div></div></div>
<br><div class="gmail_quote">On Sun, Feb 22, 2015 at 6:21 PM, Neha Tadimeti <span dir="ltr"><<a href="mailto:nehatadimeti@gmail.com" target="_blank">nehatadimeti@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 dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;color:#000000">Hello,</div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">I am a graduate student at Rutgers University. I am currently doing a research on EEG - BCI data. </div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">I have calculated the mean and standard deviation of the distribution for each electrode data for each trial. Now I wish to visualize how the spread (Standard deviation) is changing across trials at each electrode on the brain. I basically want to color code the brain with standard deviation as its parameter.</div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">I tried using topoplot() function as a command line by giving my parameters as input instead of ICA data. It does not work that way.</div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">Can anybody suggest if EEGLAB can help me plot 2-D or 3-D images of non-ICA data. If not, I would really appreciate if any alternative methods are suggested. </div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">Thank you.</div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">Regards,</div><div class="gmail_default" style="font-family:georgia,serif;color:#000000">Neha Tadimeti. </div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:#000000"><br></div><div><div dir="ltr"><p style="margin:0in 0in 0.0001pt;line-height:115%"><br><span style="font-size:10pt;line-height:115%;font-family:"Arial","sans-serif";color:rgb(102,51,255)"></span></p><p style="margin:0in 0in 0.0001pt;line-height:115%"><span style="color:rgb(76,17,48)"><br></span><span></span></p></div></div>
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