<div dir="ltr">Hi Akshay,<div><br></div><div>Hope you are doing good.</div><div><br></div><div>If you are not using ERPLAB or the scripting function in EEGLAB, you can easily average the epochs using the export to BDF/EDF or text option in the GUI, and checking the option export average instead of epochs.</div>
<div><br></div><div>Hope that helps,</div><div>Nike</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Feb 5, 2014 at 5:11 AM, <span dir="ltr"><<a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Send eeglablist mailing list submissions to<br>
<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a><br>
<br>
To subscribe or unsubscribe via the World Wide Web, visit<br>
<a href="http://sccn.ucsd.edu/mailman/listinfo/eeglablist" target="_blank">http://sccn.ucsd.edu/mailman/listinfo/eeglablist</a><br>
or, via email, send a message with subject or body 'help' to<br>
<a href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a><br>
<br>
You can reach the person managing the list at<br>
<a href="mailto:eeglablist-owner@sccn.ucsd.edu">eeglablist-owner@sccn.ucsd.edu</a><br>
<br>
When replying, please edit your Subject line so it is more specific<br>
than "Re: Contents of eeglablist digest..."<br>
<br>Today's Topics:<br>
<br>
1. Compute Amplitude Spectra in microvolts units using EEGlab<br>
(Joana Paiva)<br>
2. Re: averaging using EEGlab (Andrew Hill, PhD)<br>
3. Re: averaging using EEGlab (Stephen Politzer-Ahles)<br>
4. Re: averaging using EEGlab (Tom Campbell)<br>
5. Re: eeglablist Digest, Vol 112, Issue 3 (Javier Lopez-Calderon)<br>
<br><br>---------- Forwarded message ----------<br>From: Joana Paiva <<a href="mailto:joanaispaiva@gmail.com">joanaispaiva@gmail.com</a>><br>To: <a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a><br>
Cc: <br>Date: Tue, 4 Feb 2014 00:44:00 +0000<br>Subject: [Eeglablist] Compute Amplitude Spectra in microvolts units using EEGlab<br><div dir="ltr">Hi,<div><br></div><div>I would like to know how to compute amplitude spectra in microvolts units instead microvolt^2/Hz units (PSD, output from spectopo) using EEGlab? I've already tried using spetopo for spectral analysis but I couldn't convert output values in microvolts units because I read that PSD consist in FFT multiplied by the complex conjugate of the Fourier component. </div>
<div><br></div><div>Thank you,</div><div>Best regards,<br clear="all"><div><br></div>-- <br><div dir="ltr"><b>Joana Paiva</b><div><font face="times new roman, serif"><span style="line-height:19.18402862548828px">MSc Student</span><br>
</font></div><div><span style="line-height:19.18402862548828px"><font face="times new roman, serif">Biomedical Engineering</font></span></div><div><table cellspacing="0" cellpadding="3" style="max-width:100%;border-collapse:collapse;border-spacing:0px;width:870px;margin:9px 0px;color:rgb(51,51,51);line-height:18px">
<colgroup><col width="60%"><col width="40%"></colgroup><tbody><tr><td style="vertical-align:top"><p style="margin:0px 0px 9px"><font face="times new roman, serif" color="#000000">Faculty of Sciences and Technology - University of Coimbra</font></p>
</td></tr></tbody></table></div></div>
</div></div>
<br><br>---------- Forwarded message ----------<br>From: "Andrew Hill, PhD" <<a href="mailto:andrewhill@ucla.edu">andrewhill@ucla.edu</a>><br>To: Akshay Maggu <<a href="mailto:akshaymaggu86@gmail.com">akshaymaggu86@gmail.com</a>><br>
Cc: "<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>" <<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>><br>Date: Mon, 3 Feb 2014 17:29:26 -0800<br>Subject: Re: [Eeglablist] averaging using EEGlab<br>
<div dir="auto"><div>Hi Akshay,</div><div><br></div><div>Try erplab - free plugin for eeglab that works great (via GUI or scripting) to generate averaged waveforms. </div><div><br></div><div>Best,</div><div>Andrew Hill</div>
<div><br>Sent from my iPhone</div><div><br>On Feb 3, 2014, at 5:19 AM, Akshay Maggu <<a href="mailto:akshaymaggu86@gmail.com" target="_blank">akshaymaggu86@gmail.com</a>> wrote:<br><br></div><blockquote type="cite">
<div><div dir="ltr"><br clear="all"><div><span style="font-family:arial,sans-serif;font-size:13px">Hi all, </span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Is there any way to go beyond epoching to get averaged waveform using EEGlab? I do all the pre-processing and get stuck here. Please help. </div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Best, </div></div>-- <br><div dir="ltr">Akshay Raj Maggu, <div>Ph. D student, </div><div>Division of Linguistics and Modern Languages, </div><div>Chinese University of Hong Kong, </div><div>Hong Kong.</div><div>webpage: <a href="http://www.cuhk.edu.hk/lin/new/people/students/maggu/" target="_blank">http://www.cuhk.edu.hk/lin/new/people/students/maggu/</a></div>
<div><i>Save trees.. Save life! Please don't print this email unless you really need to.....</i></div></div>
</div>
</div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a></span><br>
<span>To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" target="_blank">eeglablist-unsubscribe@sccn.ucsd.edu</a></span><br><span>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></div>
</blockquote></div><br><br>---------- Forwarded message ----------<br>From: Stephen Politzer-Ahles <<a href="mailto:politzerahless@gmail.com">politzerahless@gmail.com</a>><br>To: Akshay Maggu <<a href="mailto:akshaymaggu86@gmail.com">akshaymaggu86@gmail.com</a>><br>
Cc: eeglablist <<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>><br>Date: Tue, 4 Feb 2014 05:57:14 +0400<br>Subject: Re: [Eeglablist] averaging using EEGlab<br><div dir="ltr">Hi Akshay,<div><br>
</div><div>To do statistics on averaged ERPs, I believe the STUDY structure has a lot of options; I personally haven't used it but there is documentation on the EEGLAB wiki. You can also plot averages of one or more datasets in the GUI using Plot > Sum/Compare ERPs.</div>
<div><br></div><div>It's also straightforward to make averages in MATLAB. The EEG.data structure for epoched data is a three-dimensional matrix (channels * samples * trials), so you can create an average for a given dataset with:</div>
<div><br></div><div>avg = mean( EEG.data, 3 );</div><div><br></div><div>then just do that for every condition for every participant, and you've got averages that you can plot, analyze, etc.</div><div><br></div><div>Hope that helps,</div>
<div>Steve</div></div><div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><br></div><div><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>
<br><br><div class="gmail_quote">On Mon, Feb 3, 2014 at 5:19 PM, Akshay Maggu <span dir="ltr"><<a href="mailto:akshaymaggu86@gmail.com" target="_blank">akshaymaggu86@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"><br clear="all"><div><span style="font-family:arial,sans-serif;font-size:13px">Hi all, </span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Is there any way to go beyond epoching to get averaged waveform using EEGlab? I do all the pre-processing and get stuck here. Please help. </div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Best, </div></div><span><font color="#888888">-- <br><div dir="ltr">Akshay Raj Maggu, <div>Ph. D student, </div><div>Division of Linguistics and Modern Languages, </div><div>Chinese University of Hong Kong, </div>
<div>Hong Kong.</div><div>webpage: <a href="http://www.cuhk.edu.hk/lin/new/people/students/maggu/" target="_blank">http://www.cuhk.edu.hk/lin/new/people/students/maggu/</a></div>
<div><i>Save trees.. Save life! Please don't print this email unless you really need to.....</i></div></div>
</font></span></div>
<br>_______________________________________________<br>
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" 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><br></blockquote></div><br></div>
<br><br>---------- Forwarded message ----------<br>From: Tom Campbell <<a href="mailto:tom_campbell75@hotmail.com">tom_campbell75@hotmail.com</a>><br>To: Akshay Maggu <<a href="mailto:akshaymaggu86@gmail.com">akshaymaggu86@gmail.com</a>>, eeglab list <<a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a>><br>
Cc: <br>Date: Tue, 4 Feb 2014 17:48:20 +0000<br>Subject: Re: [Eeglablist] averaging using EEGlab<br>
<div><div dir="ltr">target_gavg = mean(EEG.data,3);<br><br><div> </div><br> <p><br></p><div><hr>Date: Mon, 3 Feb 2014 21:19:48 +0800<br>From: <a href="mailto:akshaymaggu86@gmail.com" target="_blank">akshaymaggu86@gmail.com</a><br>
To: <a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank">eeglablist@sccn.ucsd.edu</a><br>Subject: [Eeglablist] averaging using EEGlab<br><br><div dir="ltr"><br clear="all"><div><span style="font-family:arial,sans-serif;font-size:13px">Hi all, </span><div style="font-family:arial,sans-serif;font-size:13px">
<br></div><div style="font-family:arial,sans-serif;font-size:13px">
Is there any way to go beyond epoching to get averaged waveform using EEGlab? I do all the pre-processing and get stuck here. Please help. </div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Best, </div></div>-- <br><div dir="ltr">Akshay Raj Maggu, <div>Ph. D student, </div><div>Division of Linguistics and Modern Languages, </div><div>Chinese University of Hong Kong, </div><div>Hong Kong.</div><div>webpage: <a href="http://www.cuhk.edu.hk/lin/new/people/students/maggu/" target="_blank">http://www.cuhk.edu.hk/lin/new/people/students/maggu/</a></div>
<div><i>Save trees.. Save life! Please don't print this email unless you really need to.....</i></div></div>
</div>
<br>_______________________________________________
Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" target="_blank">eeglablist-unsubscribe@sccn.ucsd.edu</a>
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></div> <p></p></div></div>
<br><br>---------- Forwarded message ----------<br>From: Javier Lopez-Calderon <<a href="mailto:javlopez@ucdavis.edu">javlopez@ucdavis.edu</a>><br>To: <a href="mailto:akshaymaggu86@gmail.com">akshaymaggu86@gmail.com</a>, <a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a><br>
Cc: <br>Date: Tue, 4 Feb 2014 12:21:02 -0800<br>Subject: Re: [Eeglablist] eeglablist Digest, Vol 112, Issue 3<br><div style="word-wrap:break-word">Hi Akshay,<div><br></div><div>You can try <a href="http://erpinfo.org/erplab/erplab-download" target="_blank">ERPLAB Toolbox</a>, which is an EEGLAB plugin for ERP research.</div>
<div><br></div><div>Best,</div><div>Javier</div><div><br></div><div><br><div><div>On Feb 4, 2014, at 12:00 PM, <a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a> wrote:</div>
<br><blockquote type="cite">Send eeglablist mailing list submissions to<br><span style="white-space:pre-wrap"> </span><a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank">eeglablist@sccn.ucsd.edu</a><br><br>To subscribe or unsubscribe via the World Wide Web, visit<br>
<span style="white-space:pre-wrap"> </span><a href="http://sccn.ucsd.edu/mailman/listinfo/eeglablist" target="_blank">http://sccn.ucsd.edu/mailman/listinfo/eeglablist</a><br>or, via email, send a message with subject or body 'help' to<br>
<span style="white-space:pre-wrap"> </span><a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank">eeglablist-request@sccn.ucsd.edu</a><br><br>You can reach the person managing the list at<br><span style="white-space:pre-wrap"> </span><a href="mailto:eeglablist-owner@sccn.ucsd.edu" target="_blank">eeglablist-owner@sccn.ucsd.edu</a><br>
<br>When replying, please edit your Subject line so it is more specific<br>than "Re: Contents of eeglablist digest..."<br>Today's Topics:<br><br> 1. averaging using EEGlab (Akshay Maggu)<br><br><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px">
<span style="font-family:'Helvetica';color:rgba(127,127,127,1.0)"><b>From: </b></span><span style="font-family:'Helvetica'">Akshay Maggu <<a href="mailto:akshaymaggu86@gmail.com" target="_blank">akshaymaggu86@gmail.com</a>><br>
</span></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="font-family:'Helvetica';color:rgba(127,127,127,1.0)"><b>Subject: </b></span><span style="font-family:'Helvetica'"><b>[Eeglablist] averaging using EEGlab</b><br>
</span></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="font-family:'Helvetica';color:rgba(127,127,127,1.0)"><b>Date: </b></span><span style="font-family:'Helvetica'">February 3, 2014 at 5:19:48 AM PST<br>
</span></div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px"><span style="font-family:'Helvetica';color:rgba(127,127,127,1.0)"><b>To: </b></span><span style="font-family:'Helvetica'"><a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank">eeglablist@sccn.ucsd.edu</a><br>
</span></div><br><br><div dir="ltr"><br clear="all"><div><span style="font-family:arial,sans-serif;font-size:13px">Hi all, </span><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Is there any way to go beyond epoching to get averaged waveform using EEGlab? I do all the pre-processing and get stuck here. Please help. </div><div style="font-family:arial,sans-serif;font-size:13px"><br></div><div style="font-family:arial,sans-serif;font-size:13px">
Best, </div></div>-- <br><div dir="ltr">Akshay Raj Maggu, <div>Ph. D student, </div><div>Division of Linguistics and Modern Languages, </div><div>Chinese University of Hong Kong, </div><div>Hong Kong.</div><div>webpage: <a href="http://www.cuhk.edu.hk/lin/new/people/students/maggu/" target="_blank">http://www.cuhk.edu.hk/lin/new/people/students/maggu/</a></div>
<div><i>Save trees.. Save life! Please don't print this email unless you really need to.....</i></div></div>
</div>
<br><br>_______________________________________________<br>eeglablist mailing list <a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank">eeglablist@sccn.ucsd.edu</a><br>Eeglablist page: <a href="http://www.sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://www.sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsub@sccn.ucsd.edu" target="_blank">eeglablist-unsub@sccn.ucsd.edu</a><br>To switch to non-digest mode, send an empty email to <a href="mailto:eeglablist-nodigest@sccn.ucsd.edu" target="_blank">eeglablist-nodigest@sccn.ucsd.edu</a></blockquote>
</div><br></div></div><br>_______________________________________________<br>
eeglablist mailing list <a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a><br>
Eeglablist page: <a href="http://www.sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank">http://www.sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>
To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsub@sccn.ucsd.edu">eeglablist-unsub@sccn.ucsd.edu</a><br>
To switch to non-digest mode, send an empty email to <a href="mailto:eeglablist-nodigest@sccn.ucsd.edu">eeglablist-nodigest@sccn.ucsd.edu</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div><font color="#6633ff" face="georgia,serif"><a href="http://goog_636235333" target="_blank">G Nike Gnanateja, MSc (Audiology)</a></font></div>
<div><font color="#6633ff" face="georgia,serif">Research Associate,</font></div><div><font color="#6633ff" face="georgia,serif">Department of Audiology, </font></div><div><font color="#6633ff" face="georgia,serif">All India Institute of Speech</font></div>
<div><font color="#6633ff" face="georgia,serif">and Hearing Mysore-06</font></div>
</div></div>