<div dir="ltr">Dear Lisa,<div><br></div><div>spectopo() help says</div><div><br></div><div><div><i> If available, uses pwelch() from the Matlab signal processing toolbox, else the EEGLAB spec() function.</i></div></div><div><i><br></i></div>Here is Wikipedia page of the Welch's method.<div><a href="https://en.wikipedia.org/wiki/Welch%27s_method">https://en.wikipedia.org/wiki/Welch%27s_method</a></div><div><br></div><div>Yes it is a type of discrete FFT but it uses a window method.</div><div><br></div><div>Makoto</div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Jul 12, 2018 at 11:06 AM Lisa GOUDMAN <<a href="mailto:Lisa.Goudman@vub.be">Lisa.Goudman@vub.be</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="NL-BE" link="#0563C1" vlink="#954F72">
<div class="m_-6968695143719847965WordSection1">
<p class="MsoNormal">Dear,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span lang="EN-US">I have a small question regarding the settings of the power spectral density.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">The default of the power spectral density, is it based on a discrete FFT?
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you very much for helping. <u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Kind Regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Lisa Goudman<u></u><u></u></span></p>
</div>
</div>
_______________________________________________<br>
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" rel="noreferrer" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" target="_blank">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>
For digest mode, send an email with the subject "set digest mime" to <a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="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>