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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Dear experts, <o:p></o:p></p><p class=MsoNormal>I get a strange error when attempting to define the trials in my data. I preprocess my data first and then I call ft_definetrial with the option:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-indent:36.0pt'>cfg.trialdef.eventtype = '?';<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This way I see that my trigger file is read successfully: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-left:36.0pt'>evaluating trialfunction 'ft_trialfun_general'<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>reading the events from 'C:\eeg_anita\data\S14\s14_CI_1.cnt'<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>the following events were found in the datafile<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>event type: 'trigger' with event values: '1' '3' '6' '9' <o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>no trials have been defined yet, see FT_DEFINETRIAL for further help<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>found 180 events<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>created 0 trials<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>the call to "ft_definetrial" took 1 seconds<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>But then when I change the setting to: <o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg.trialdef.eventtype=’trigger’<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg.trialfun = 'ft_trialfun_general';<o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg.trialdef.eventvalue = {'1'}; <o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg.trialdef.prestim = .2; <o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg.trialdef.poststim = 6; <o:p></o:p></p><p class=MsoNormal style='margin-left:36.0pt'>cfg = ft_definetrial(cfg);<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I get the error: <o:p></o:p></p><p class=MsoNormal> ??? Error using ==> ft_definetrial at 184<o:p></o:p></p><p class=MsoNormal style='text-indent:36.0pt'>No trials were defined, see FT_DEFINETRIAL for help. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Anyone has an idea how to solve this?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best<o:p></o:p></p><p class=MsoNormal>Nikola<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>