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<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">Hi at all,
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">I'm using fieldtrip to analyze my EEG data recorded with a Brainamp</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">MRplus system and an easycap with 31 eeg-channels plus one separate ecg electrode.</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">To get rid of the ecg based artifacts in my EEG data I followed the</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">fieldtrip tutorial
<i>'Use independent component analysis (ICA) to remove</i></span><i><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></i></p>
<p class="MsoNormal" style="text-autospace:none"><i><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">ECG artifacts'</span></i><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">. (I followed step by step and posted
the code down below)</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif""></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">The problem is, that I dont't get a clear separation of one or two</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Batang","serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">components which reflect the ecg artifact (like in the example of the tutorial).
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">All my components show a timelocked correlation with the separated ecg signal... (attached some .jpgs)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">So, I wondering if I have done something wrong ...<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">Would be great if someone could help me to find a solution for this.<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">Thanks!
<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Batang","serif"">Iris<o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"> </span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% ======================= code starts here ===============================%</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% calculate ICA component for the trialed, downsampled and basic corrected (jumps, muscles) eeg data
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% (called basiccorr_data.mat)</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.inputfile =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'C:\mydirectory\basiccorr_data.mat'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.method =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'runica'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.channel =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'eeg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.trials =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'all'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.numcomponent = 15;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.demean =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica.updatesens =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">comp_basiccorr_data = ft_componentanalysis(cfg4ica);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% plot the components (maybe a little overdressed ...)</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.component = 1 : 15;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.layout =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'myEasyCap32MR.lay'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.viewmode =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'component'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.zlim = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.marker =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'on'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.markersymbol =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'o'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.markercolor = [0 0 0];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.markersize = 2;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.markerfontsize = 8;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlight = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlightchannel = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlightsymbol =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'o'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlightcolor = [0 0 0];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlightsize = 6;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.highlightfontsize = 8;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.colorbar =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'no'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.interplimits =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'head'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.interpolation =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'v4'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.style =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'both'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.gridscale = 67;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.shading =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'flat'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.comment =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'no'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.commentpos =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'leftbottom'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4plot.title =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'auto'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">figure</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">ft_topoplotIC(cfg4plot, comp_basiccorr_data);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"> </span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% ---------------------------------------------------------------- %</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% find the artifacts in the continuous raw data</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.dataset =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'C:\mydirectory\EEGdata_2000023.eeg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">a = load(</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'C:\mydirectory\t_data'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">);
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% load the trialed data to get the .trl information</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.trl = a.data.cfg.trl;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.continuous =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.artfctdef.ecg.pretim = 0.25;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.artfctdef.ecg.psttim = 0.50-1/512;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.channel = {</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'ECG'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">};</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.artfctdef.ecg.inspect = {</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'ECG'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">};</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4find_ecg.artfctdef.ecg.cutoff = 0.2;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">[cfg_artifact, ecg_artifact] = ft_artifact_ecg(cfg4find_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% cut the original data around the ecg-artifact</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.dataset =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'C:\mydirectory\EEGdata_2000023.eeg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.continuous =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.padding = 0.5;
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.dftfilter =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.demean =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'yes'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.trl = [ecg_artifact zeros(size(ecg_artifact,1),1)];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.channel = {</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'eeg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">};</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">data_ecg = ft_preprocessing(cfg4cut_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4cut_ecg.channel = {</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'ecg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">};</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">ecg = ft_preprocessing(cfg4cut_ecg);
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"> </span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% resample to speed up</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4resample = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4resample.resamplefs = 512;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4resample.detrend =
</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'no'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">data_ecg = ft_resampledata(cfg4resample, data_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">ecg = ft_resampledata(cfg4resample, ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% decompose the ECG-locked data segments into components, using the previously found (un)mixing matrix</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica_ecg = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica_ecg.unmixing = comp_basiccorr_data.unmixing;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg4ica_ecg.topolabel = comp_basiccorr_data.topolabel;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">
</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">comp_ecg = ft_componentanalysis(cfg4ica_ecg, data_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% plot the components</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">figure</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">ft_topoplotIC(cfg4plot, comp_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"> </span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% ---------------------------------------------------------------- %</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% append the ecg channel to the data structure;</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">comp_ecg = ft_appenddata([], ecg, comp_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% average the components timelocked to the QRS-complex</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">cfg = [];</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">timelock = ft_timelockanalysis(cfg, comp_ecg);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">figure</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">subplot(2,1,1); plot(timelock.time, timelock.avg(1,:))</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">subplot(2,1,2); plot(timelock.time, timelock.avg(2:end,:))</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">title(</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'ecg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">figure</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">subplot(2,1,1); plot(timelock.time, timelock.avg(1,:))</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">subplot(2,1,2); imagesc(timelock.avg(2:end,:));</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">title(</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:#A020F0">'ecg'</span><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black">);</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:black"></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:17.0pt;font-family:"Courier New";color:forestgreen">% ======================= code ends here =================================%</span><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></p>
<p class="MsoNormal" style="text-autospace:none"><span lang="EN-US" style="font-size:12.0pt;font-family:"Courier New""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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