<div dir="ltr">Hi Julian,<div>got the point! Now it works.</div><div><br></div><div>thanks for the fast reply,</div><div><br></div><div>Giuseppe</div><div class="gmail_extra"><br><div class="gmail_quote">2016-02-04 17:32 GMT+01:00 Julian Keil <span dir="ltr"><<a href="mailto:julian.keil@gmail.com" target="_blank">julian.keil@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Dear Giuseppe,<div><br></div><div>in your trial-definition step you state:</div><div><br></div><div><span class=""><div>cfg = [];</div><div><div>cfg.continuous = 'no';</div><div>cfg.trailfun = 'ft_trialfun_general';</div><div>cfg.trialdef.eventtype = 'stimtype';</div><div>cfg.trialdef.eventvalue = 8</div><div>cfg.trialdef.prestim = 1;<br></div><div>cfg.trialdef.poststim = 4;</div><div>cfg = ft_definetrial(data_clean);<br></div><div>segmented = ft_preprocessing(cfg, data_clean);</div></div><div><br></div></span><div>So, in your call to ft_definetrial, you are not using your cfg-structure. </div><div>Instead, you overwrite your cfg-structure with the output of the (incorrectly called) ft_definetrial.</div><div><br></div><div>Here's what you could do instead:</div><div>Use your cfg from above with cfg.dataset = subj; in your call to ft_definetrial (e.g. cfg = ft_definetrial(cfg)).</div><div>This gives you the cfg.trl-field with your trial definition.</div><div>In the next step, you could use ft_redefinetrial to actually split up your (already cleaned) data.</div><div><br></div><div>Check this tutorial for more info: <a href="http://www.fieldtriptoolbox.org/tutorial/continuous" target="_blank">http://www.fieldtriptoolbox.org/tutorial/continuous</a></div><div><br></div><div>Good luck,</div><div><br></div><div>Julian</div><div><br></div><div><br></div><div>
<span style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;font-size:medium"><div><div style="word-wrap:break-word;font-size:12px">********************</div><div style="word-wrap:break-word"><b>Dr. Julian Keil</b></div><div style="word-wrap:break-word"><b><br></b></div>AG Multisensorische Integration<br>Psychiatrische Universitätsklinik<br>der Charité im St. Hedwig-Krankenhaus<br>Große Hamburger Straße 5-11, Raum A007<br>10115 Berlin</div><div><br>Telefon: <a href="tel:%2B49-30-2311-1879" value="+493023111879" target="_blank">+49-30-2311-1879</a><br>Fax: <a href="tel:%2B49-30-2311-2209" value="+493023112209" target="_blank">+49-30-2311-2209</a> </div><div><a href="http://psy-ccm.charite.de/forschung/bildgebung/ag_multisensorische_integration" target="_blank">http://psy-ccm.charite.de/forschung/bildgebung/ag_multisensorische_integration</a></div></span>
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<br><div><div><div class="h5"><div>Am 04.02.2016 um 17:13 schrieb Giuseppe Spinelli:</div><br></div></div><blockquote type="cite"><div><div class="h5"><div dir="ltr">Dear Fieldtrippers<div><br><div>I am analyzing a .cnt EEG dataset from a Neuroscan amplifier with an hardware bandpass filter of 0.05-200 Hz.</div><div>I am having some troubles with segmentation after performing ICA on continuous the continuous EEG trace.</div><div><br></div><div>Here you find the pipeline I used:</div><div><br></div><div>%% reading the dataset:</div><div>subj = 'C:\data\S01.cnt';<br></div><div><div>cfg = [];<br></div><div>cfg.headerfile = subj;</div><div>cfg.datafile = subj; </div><div>cfg.continuous = 'yes';</div><div>data_cont = ft_preprocessing(cfg);<br></div><div><br></div></div><div>%% running ICA and cleaning data</div><div>cfg = [];</div><div>cfg.method = 'runica';</div><div>comp = componentanalysis(cfg, data_cont);</div><div><br></div><div><div>cfg = [];<br></div><div>cfg.component = [1:62];</div><div>cfg.layout = 'C:\data\mylayout1010.lay';</div><div>cfg.comment = 'no';</div><div>ft_topoplotIC(cfg, comp);</div><div><br></div><div>cfg = [];</div><div>cfg.channel = [1 3 8];</div><div>cfg.viewmode = 'component';</div><div>cfg.layout = 'C:\data\mylayout1010.lay';</div><div>ft_databrowser(cfg, comp);</div></div><div><br></div><div><div>cfg = [];</div><div>cfg.component = [1 3];</div><div>data_clean = ft_rejectcomponent(cfg, comp, data_cont);</div></div><div><br></div><div>Now, in order to segment data I did: </div><div><br></div><div>cfg = [];</div><div><div>cfg.continuous = 'no';</div><div>cfg.trailfun = 'ft_trialfun_general';</div><div>cfg.trialdef.eventtype = 'stimtype';</div><div>cfg.trialdef.eventvalue = 8</div><div>cfg.trialdef.prestim = 1;<br></div><div>cfg.trialdef.poststim = 4;</div><div>cfg = ft_definetrial(data_clean);<br></div><div>segmented = ft_preprocessing(cfg, data_clean);</div></div><div><br></div><div>but, the Command Window retured me with the following error:</div><div><br></div><div><div><font color="#ff0000">Reference to non-existent field 'headerfile'.</font></div><div><span style="background-color:rgb(238,238,238)"><font color="#ff0000"><br></font></span></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)">Error in ft_trialfun_general (line 78)</font></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)">hdr = ft_read_header(cfg.headerfile, 'headerformat', cfg.headerformat);</font></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)"><br></font></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)">Error in ft_definetrial (line 174)</font></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)"> [trl, event] = feval(cfg.trialfun, cfg);</font></div></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)"><br></font></div><div><font color="#ff0000" style="background-color:rgb(243,243,243)"><br></font></div><div>I cannot get why both the headerfile and the dataset file are needed to be specified again.</div><div>Could someone help me to figure it out?<br></div><div><br></div><div>Many thanks in advance,</div><div><br></div><div><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font face="tahoma, sans-serif" size="2">Giuseppe Spinelli</font></div><div dir="ltr"><font size="1" face="tahoma, sans-serif"><br></font></div><div dir="ltr"><font size="1" face="tahoma, sans-serif">Ph.D. student in Cognitive Social and Affective Neuroscience</font></div><div dir="ltr"><div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><font size="1" face="tahoma, sans-serif">Department of Psychology, Sapienza University of Rome<br></font></div><div><font size="1" face="tahoma, sans-serif">via dei Marsi 78, 00185 - Rome</font></div><div><font size="1" face="tahoma, sans-serif">Phone/Fax: <a href="tel:%2B39%2006-49917635" value="+390649917635" target="_blank">+39 06-49917635</a> </font></div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><div><font size="1" face="tahoma, sans-serif">IRCCS Fondazione Santa Lucia</font></div><div><font size="1" face="tahoma, sans-serif">via Ardeatina 306, 00179 - Rome</font></div><div><font size="1" face="tahoma, sans-serif">Phone: <a href="tel:%2B39%2006%205150%201108" value="+390651501108" target="_blank">+39 06 5150 1108</a></font></div></div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><font size="1" face="tahoma, sans-serif">@: <a href="mailto:giuseppe.spinelli@uniroma1.it" target="_blank">giuseppe.spinelli@uniroma1.it</a><br></font></div></div><div><a href="http://agliotilab.org/" target="_blank"><font size="1" face="tahoma, sans-serif">http://agliotilab.org/</font></a></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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<a href="http://mailman.science.ru.nl/mailman/listinfo/fieldtrip" rel="noreferrer" target="_blank">http://mailman.science.ru.nl/mailman/listinfo/fieldtrip</a><br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font face="tahoma, sans-serif" size="2">Giuseppe Spinelli</font></div><div dir="ltr"><font size="1" face="tahoma, sans-serif"><br></font></div><div dir="ltr"><font size="1" face="tahoma, sans-serif">Ph.D. student in Cognitive Social and Affective Neuroscience</font></div><div dir="ltr"><div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><font size="1" face="tahoma, sans-serif">Department of Psychology, Sapienza University of Rome<br></font></div><div><font size="1" face="tahoma, sans-serif">via dei Marsi 78, 00185 - Rome</font></div><div><font size="1" face="tahoma, sans-serif">Phone/Fax: +39 06-49917635 </font></div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><div><font size="1" face="tahoma, sans-serif">IRCCS Fondazione Santa Lucia</font></div><div><font size="1" face="tahoma, sans-serif">via Ardeatina 306, 00179 - Rome</font></div><div><font size="1" face="tahoma, sans-serif">Phone: +39 06 5150 1108</font></div></div><div><font size="1" face="tahoma, sans-serif"><br></font></div><div><font size="1" face="tahoma, sans-serif">@: <a href="mailto:giuseppe.spinelli@uniroma1.it" target="_blank">giuseppe.spinelli@uniroma1.it</a><br></font></div></div><div><a href="http://agliotilab.org/" target="_blank"><font size="1" face="tahoma, sans-serif">http://agliotilab.org/</font></a></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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