<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:10px"><div dir="ltr" id="yui_3_16_0_1_1426500851737_28430"><span style="" class="">Dear </span>Vahid </div><div id="yui_3_16_0_1_1426500851737_28429"><div id="yui_3_16_0_1_1426500851737_29440"><br></div><div id="yui_3_16_0_1_1426500851737_29439" dir="ltr">we need more details. First, are that channels triggered? In this case, the trigger is another channel (with a square wave, or sinilar?). In that case you need, for instance, a personal function to segment the data into epoches. I can help you to write such a function, but I need information about the trigger.</div><div id="yui_3_16_0_1_1426500851737_29438" dir="ltr">On the other hand, to export the ERP, maybe you will need another function to identify latency and amplitude, but this is a later step.</div><div id="yui_3_16_0_1_1426500851737_29553" dir="ltr"><br></div><div id="yui_3_16_0_1_1426500851737_29668" dir="ltr">Ivano<br></div><div id="yui_3_16_0_1_1426500851737_29437"><br></div></div><div id="yui_3_16_0_1_1426500851737_28419"><div id="yui_3_16_0_1_1426500851737_28428">------------------------------------------------------------------------</div><br><br><br><br><div id="yui_3_16_0_1_1426500851737_28418">"No man can wear one face to himself <br>and another to the multitude,<br>without finally getting bewildered <br>as to which one is true."</div><br><br><div>Nathaniel Hawthorne</div></div> <div class="qtdSeparateBR"><br><br></div><div style="display: block;" class="yahoo_quoted"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 10px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"> <font face="Arial" size="2"> Il Lunedì 16 Marzo 2015 12:09, "fieldtrip-request@science.ru.nl" <fieldtrip-request@science.ru.nl> ha scritto:<br> </font> </div> <br><br> <div class="y_msg_container">Send fieldtrip mailing list submissions to<br> <a ymailto="mailto:fieldtrip@science.ru.nl" href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a><br><br>To subscribe or unsubscribe via the World Wide Web, visit<br> <a href="http://mailman.science.ru.nl/mailman/listinfo/fieldtrip" target="_blank">http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br>or, via email, send a message with subject or body 'help' to<br> <a ymailto="mailto:fieldtrip-request@science.ru.nl" href="mailto:fieldtrip-request@science.ru.nl">fieldtrip-request@science.ru.nl</a><br><br>You can reach the person managing the list at<br> <a ymailto="mailto:fieldtrip-owner@science.ru.nl" href="mailto:fieldtrip-owner@science.ru.nl">fieldtrip-owner@science.ru.nl</a><br><br>When replying, please edit your Subject line so it is more specific<br>than "Re: Contents of fieldtrip digest..."<br><br><br>Today's Topics:<br><br> 1. ERP extraction from EDF file (vahid gerami)<br> 2. Problem with retrieving the data and events in fieldtrip RDA<br> interface of Brainvision recorder (Elaine ?strand)<br> 3. how to add trigger values to cfg.trl (Zsolt Turi)<br><br><br>----------------------------------------------------------------------<br><br>Message: 1<br>Date: Sun, 15 Mar 2015 21:46:16 +0330<br>From: vahid gerami <<a ymailto="mailto:vahidgerami.mse@gmail.com" href="mailto:vahidgerami.mse@gmail.com">vahidgerami.mse@gmail.com</a>><br>To: <a ymailto="mailto:fieldtrip@science.ru.nl" href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a><br>Subject: [FieldTrip] ERP extraction from EDF file<br>Message-ID:<br> <CALsD2yuFE02Lj05tSuJNMhZGc5WNKCx+FJvgm=+6qw=<a ymailto="mailto:TURL2_Q@mail.gmail.com" href="mailto:TURL2_Q@mail.gmail.com">TURL2_Q@mail.gmail.com</a>><br>Content-Type: text/plain; charset="utf-8"<br><br>hello every body. i have recorded a 12 channel eeg signals as EDF file. now<br>i want to extract the ERP's and show them as a vector. can anybody help me<br>doing ?<br>any idea's?<br>regards<br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a href="http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150315/217e2161/attachment-0001.html" target="_blank">http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150315/217e2161/attachment-0001.html</a>><br><br>------------------------------<br><br>Message: 2<br>Date: Mon, 16 Mar 2015 07:56:09 +0000<br>From: Elaine ?strand <<a ymailto="mailto:elaine.astrand@mdh.se" href="mailto:elaine.astrand@mdh.se">elaine.astrand@mdh.se</a>><br>To: "<a ymailto="mailto:fieldtrip@science.ru.nl" href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>" <<a ymailto="mailto:fieldtrip@science.ru.nl" href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a>><br>Subject: [FieldTrip] Problem with retrieving the data and events in<br> fieldtrip RDA interface of Brainvision recorder<br>Message-ID: <D12C4B27.61E%<a ymailto="mailto:elaine.astrand@mdh.se" href="mailto:elaine.astrand@mdh.se">elaine.astrand@mdh.se</a>><br>Content-Type: text/plain; charset="iso-8859-1"<br><br>Hello all,<br><br><br>I'm trying to stream EEG-data from Brainvision recorder software into the fieltrip buffer. While the data is transferred, the events are not transferred at all.<br><br><br>I'm using "ft_realtime_brainampproxy.m" I noticed two things in the script:<br><br>1. Line 195 states 'Should I apply the calibration here?'<br><br>What does this mean? Does this create a problem in retrieving the data? The data in the field trip buffer does not have the same range as in the recorder software.<br><br><br>2. Line 198-200. Here the events are not stored in the event-structure. So this is why the events are not transferred.<br><br><br>Has anyone noticed the same problem? How did you implement the event structure?<br><br><br>Thanks in advance.<br><br>Kind regards,<br><br>Elaine ?strand, PhD<br><br>Postdoc at University of M?lardalen<br><br>V?ster?s, Sweden<br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a href="http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150316/00d8e95d/attachment-0001.html" target="_blank">http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150316/00d8e95d/attachment-0001.html</a>><br><br>------------------------------<br><br>Message: 3<br>Date: Mon, 16 Mar 2015 10:08:53 +0100<br>From: Zsolt Turi <<a ymailto="mailto:zsoltturi@gmail.com" href="mailto:zsoltturi@gmail.com">zsoltturi@gmail.com</a>><br>To: <a ymailto="mailto:fieldtrip@science.ru.nl" href="mailto:fieldtrip@science.ru.nl">fieldtrip@science.ru.nl</a><br>Subject: [FieldTrip] how to add trigger values to cfg.trl<br>Message-ID:<br> <CAO_Ky_=DPWJAEiErGyv-pQf-5t0vdRsnc7zHmJ8LAXAj7=<a ymailto="mailto:qkiQ@mail.gmail.com" href="mailto:qkiQ@mail.gmail.com">qkiQ@mail.gmail.com</a>><br>Content-Type: text/plain; charset="utf-8"<br><br>Dear Fieldtrippers,<br><br>I use ft_defintrial function to perform triger-based trial segmentation of<br>cnt files recorded from the ANT EEG system. In the earlier version of<br>FieldTrip (e.g., 20140123) the resulted cfg.trl matrix has a size of n x 4,<br>where the last column represents trigger values.<br><br>In the newer version of FT (e.g., 20150310), the resulted trl matrix<br>contains only 3 columns and the 4th column about trigger values is missing.<br>To note but maybe it is not important but I do not use the most recent<br>version of Matlab (8.1.0.604, R2013a, student licence).<br><br>Could anyone give me a hint how can I add the trigger values to the cfg.trl<br>matrix (ie. to the 4th column)?<br><br>My code is:<br><br>cfg = [];<br>cfg.dataset = '20150302_1454.cnt';<br>cfg.trialfun = 'ft_trialfun_general';<br>cfg.trialdef.prestim = 1.5;<br>cfg.trialdef.poststim = 2.0;<br>cfg.trialdef.eventtype = 'trigger';<br>cfg.trialdef.eventvalue = {'2','3'};<br>cfg = ft_definetrial(cfg);<br><br>Many thanks in advance!<br><br>Zsolt<br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a href="http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150316/3c3ee365/attachment-0001.html" target="_blank">http://mailman.science.ru.nl/pipermail/fieldtrip/attachments/20150316/3c3ee365/attachment-0001.html</a>><br><br>------------------------------<br><br>_______________________________________________<br>fieldtrip mailing list<br><a ymailto="mailto:fieldtrip@donders.ru.nl" href="mailto:fieldtrip@donders.ru.nl">fieldtrip@donders.ru.nl</a><br><a href="http://mailman.science.ru.nl/mailman/listinfo/fieldtrip" target="_blank">http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br><br>End of fieldtrip Digest, Vol 52, Issue 16<br>*****************************************<br><br><br></div> </div> </div> </div> </div></body></html>