<div dir="ltr">It looks like you were completely right on that point. Is there any way to modify the percentage for an EEGLAB study's spectral plots? It seems it must be some percentage smaller than 100, because I get the exact same problem of the spectra looking different before and after ICA.</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Jan 16, 2014 at 3:49 PM, berry van den berg <span dir="ltr"><<a href="mailto:berryv.dberg@gmail.com" target="_blank">berryv.dberg@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>Hi Steven,</div><div><br></div><div>Just a guess:</div><div>EEGLAB samples parts of the data to compute the spectra. Did you use 100% of the data or just parts of the data? (the option percent data to sample)</div>
<div><br></div><div>Cheers,</div><div><br></div><div>Berry</div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On 15 January 2014 20:43, Steven Pillen <span dir="ltr"><<a href="mailto:stevendpillen@gmail.com" target="_blank">stevendpillen@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5"><div dir="ltr"><div><div>Hello, EEGLAB list.<br><br></div>I seem to be observing a change in the power spectra after running ICA on some data files. Note the difference between these two images, which are from before and after ICA was run. No other processing was done on these:<br>
<br>Before:<br><a href="http://imgur.com/spMyRfr" target="_blank">http://imgur.com/spMyRfr</a><br><br><br>After:<br><a href="http://imgur.com/jwqgBcK" target="_blank">http://imgur.com/jwqgBcK</a><br><br></div>Does anyone know what could possibly account for this?<br>
<br>Thank you,<br>Steven Pillen<br></div>
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-- <br>Berry van den Berg<br><a href="mailto:berryv.dberg@gmail.com" target="_blank">berryv.dberg@gmail.com</a>
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