<div dir="ltr">Dear Ken,<div><br></div><div>> Yes, I meant that I don't see any channels for the ear lobes. I wasn't sure what I should then reference to in eeglab.</div><div><br></div><div>Again, any EEG signal recorded from scalp is difference from a reference channel. Imagine you perform subtraction (reference channel) - (reference channel) what do you get? Zeros. This is why you don't see any signal / you don't even find the reference channels in your data browser.</div><div><br></div><div>> I will try re-referencing to the average. I just found some information about doing this through the GUI, but do you know if there a script for doing this instead?<br></div><div><br></div><div>Do the process through GUI first, then type 'eegh' to obtain the log of code you ran through GUI... I still use this function very often just to obtain code. 'eegh' is maybe the greatest invention in EEGLAB.</div><div><br></div><div>Makoto</div><div><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Apr 5, 2016 at 9:29 AM, Ken Bennett <span dir="ltr"><<a href="mailto:benne257@uwm.edu" target="_blank">benne257@uwm.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Makoto,<div><br></div><div>Thank you for your response. Yes, I meant that I don't see any channels for the ear lobes. I wasn't sure what I should then reference to in eeglab. I will try re-referencing to the average. I just found some information about doing this through the GUI, but do you know if there a script for doing this instead? Any information would be greatly appreciated.</div><div><br></div><div>Thanks,</div><div>Ken</div></div><div class="gmail_extra"><span class=""><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div>--</div><div><br></div><font face="arial, helvetica, sans-serif">Kenneth Bennett</font></div><div dir="ltr"><font face="arial, helvetica, sans-serif">Second Year Clinical Graduate Student</font></div><div dir="ltr"><font face="arial, helvetica, sans-serif"><span style="color:rgb(0,0,0)"><font size="2">Affective Neuroscience Laboratory</font></span><br>Department of Psychology<br>University of Wisconsin-Milwaukee</font><br></div></div><div><font face="arial, helvetica, sans-serif">334 Garland Hall</font></div><div><br></div><div><br></div><div><b>CONFIDENTIALITY NOTICE: </b><font face="Arial,Helvetica,sans-serif" size="2" style="color:rgb(0,0,0)">This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential or proprietary information which is legally privileged. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, please promptly contact the sender by reply e-mail and delete the message.</font></div></div></div></div></div></div></div></div></div></div></div>
<br></span><div><div class="h5"><div class="gmail_quote">On Tue, Apr 5, 2016 at 12:02 AM, Makoto Miyakoshi <span dir="ltr"><<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank">mmiyakoshi@ucsd.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr">Dear Ken,<span><div><br></div><div>> We are using two earlobe reference leads which are not actively recorded in Biopac's Acqknowledge software.</div><div><br></div></span><div>So your two earlobe channels served the initial reference. This means that your data are the difference from this two-earlobe channel.</div><div><br></div><div><span>> So, when I attempt to run an ICA script I do not have a channel to use for re-referencing. <br><div class="gmail_extra"><br></div></span><div class="gmail_extra">What do you mean by this? Do you mean you don't see the two-earlobe channels? If so, that is normal and nothing is wrong. You should be able to still re-reference to other channels (re-referencing to average recommended).</div><div class="gmail_extra"><br></div><div class="gmail_extra">Makoto</div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Thu, Mar 24, 2016 at 12:31 PM, Ken Bennett <span dir="ltr"><<a href="mailto:benne257@uwm.edu" target="_blank">benne257@uwm.edu</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div><div><div dir="ltr">Hey all,<div><br></div><div>I am having some difficulties identifying a reference channel in my EEG data imported from Biopac. We are using two earlobe reference leads which are not actively recorded in Biopac's Acqknowledge software. So, when I attempt to run an ICA script I do not have a channel to use for re-referencing. Has anyone else had this issue, or can anyone point me in the direction of someone that has? I am not sure if I should just remove the lines in the script for re-referencing...</div><div><br></div><div>Any information would be extremely helpful!</div><div><br></div><div>Thanks!</div><div>Ken</div><div><br clear="all"><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div>--</div><div><br></div><font face="arial, helvetica, sans-serif">Kenneth Bennett</font></div><div dir="ltr"><font face="arial, helvetica, sans-serif">Second Year Clinical Graduate Student</font></div><div dir="ltr"><font face="arial, helvetica, sans-serif"><span style="color:rgb(0,0,0)"><font size="2">Affective Neuroscience Laboratory</font></span><br>Department of Psychology<br>University of Wisconsin-Milwaukee</font><br></div></div><div><font face="arial, helvetica, sans-serif">334 Garland Hall</font></div><div><br></div><div><br></div><div><b>CONFIDENTIALITY NOTICE: </b><font face="Arial,Helvetica,sans-serif" size="2" style="color:rgb(0,0,0)">This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential or proprietary information which is legally privileged. Any unauthorized review, use, disclosure, or distribution is prohibited. If you are not the intended recipient, please promptly contact the sender by reply e-mail and delete the message.</font></div></div></div></div></div></div></div></div></div></div></div>
<div dir="ltr"><br></div></div></div>
<br></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><span><font color="#888888"><br></font></span></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr">Makoto Miyakoshi<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br></div></div>
</font></span></div></div></div>
</blockquote></div><br></div></div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="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>
</div></div>