<div dir="ltr"><div class="gmail_default" style="color:#333399">Hello Jumana,</div><div class="gmail_default" style="color:#333399"><br></div><div class="gmail_default" style="color:#333399">Two potential reasons are that </div><div class="gmail_default" style="color:#333399">1. There are boundaries in some of the periods, which eeglab is skipping when selecting which periods are okay to take as epochs.</div><div class="gmail_default" style="color:#333399">2. I'm not sure, but it may be the case that eeglab does not allow the epochs it's selecting to overlap. This is probably not the case.</div><div class="gmail_default" style="color:#333399"><br></div><div class="gmail_default" style="color:#333399"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jan 17, 2017 at 7:11 AM, Ahmad, Jumana <span dir="ltr"><<a href="mailto:jumana.ahmad@kcl.ac.uk" target="_blank">jumana.ahmad@kcl.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal">Dear EEGlab,<u></u><u></u></p>
<p class="MsoNormal">I rejected continuous data, then ran AMICA.<u></u><u></u></p>
<p class="MsoNormal">I also rejected eye related components.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I started with 1400 events, but since I rejected continuous data this reduced to 1312 as expected.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I then epoched the data. My trial length is typically 600ms, and I would want a -100ms baseline to +600, but followed EEGlab’s recommendation for TFA of -1 to 2s.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">pop_epoch():1312 epochs selected<u></u><u></u></p>
<p class="MsoNormal">Epoching...<u></u><u></u></p>
<p class="MsoNormal">pop_epoch():1312 epochs generated<u></u><u></u></p>
<p class="MsoNormal">eeg_checkset: recomputing the ICA activation matrix ...<u></u><u></u></p>
<p class="MsoNormal">eeg_checkset: found empty values for field 'value'<u></u><u></u></p>
<p class="MsoNormal"> filling with values of other events in the same epochs<u></u><u></u></p>
<p class="MsoNormal">eeg_checkset: found empty values for field 'urevent'<u></u><u></u></p>
<p class="MsoNormal"> filling with values of other events in the same epochs<u></u><u></u></p>
<p class="MsoNormal">pop_epoch(): checking epochs for data discontinuity<u></u><u></u></p>
<p class="MsoNormal">Removing 59 trial(s)...<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I cannot figure out why 59 trials are being removed.<u></u><u></u></p>
<p class="MsoNormal">Please could you advise me.<u></u><u></u></p>
<p class="MsoNormal">Best wishes,<u></u><u></u></p>
<p class="MsoNormal">Jumana <u></u><u></u></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;color:#1f497d;background:#ffee94">Jumana Ahmad</span></b><span style="font-family:"Helvetica",sans-serif;color:black"><u></u><u></u></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;color:#1f497d">Post-Doctoral Research Worker in Cognitive Neuroscience </span><span style="font-family:"Helvetica",sans-serif;color:black"><u></u><u></u></span></p>
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<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;color:#1f497d">Phone:</span></b><span style="font-size:10.0pt;color:#1f497d"> </span><span lang="EN-US" style="font-size:10.0pt;color:navy">0207848
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<p class="MsoNormal"><span><u></u> <u></u></span></p>
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