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<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB">Dear fieldtrip community,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB">I am working with EEG files in the xdf format recorded using the Lab Recorder program. I used the ‘xdf2fieldtrip function to import the data in the fieldtrip format. I got the output
as follows:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB">stream 1 contains continuous LiveAmpSN-054208-0189 data</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB">stream 2 contains non-continuous Presentation data</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB">data = </span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> struct with fields:</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> </span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> hdr: [1×1 struct]</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> label: {32×1 cell}</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> time: {[1×545430 double]}</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:black;mso-fareast-language:EN-GB"> trial: {[32×545430 single]}</span><span style="color:black;mso-fareast-language:EN-GB"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB">I want to use the Presentation stream (events) to epoch the data. Since ‘ft_definetrial’ require data in the original format and the xdf format is not supported in the ‘ft_preprocessing’,
is there a workaround?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black;mso-fareast-language:EN-GB">Varghese Peter<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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