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<div dir="ltr">Hi eeglablist,<div><br></div><div>I'm trying to import data from EDF / EDF+ files, but although the montage being used is recording signals from 74 channels (including ECG and EOG channels and EEGMarkers) the data includes the 107 channels that the equipment allows. I have been trying to remove the channels that I don't use, but unsuccessfully until now.</div><div><br></div><div><span style="font-size: 10pt; ">I've tried to use the indexes of the channels I want i</span>n the appropriate field of the menu of the import data from EDF files, but it delivers the following error message:</div><div><br></div><div>"<i>EEGLAB error in function biosig2eeglab() at line 87:</i></div><div><i><br></i></div><div><i>Index exceeds matrix dimensions.</i></div><div><i><br></i></div><div><i>....</i>"</div><div><br></div><div>I have discovered that this happens if I jump one index, for example if I use 1 2 3 5 this error would occur, but if I use 1 2 3 4 5 only the first five channels are imported.</div><div><br></div><div>Does anyone knows why this is happening?</div><div><br></div><div>I have also tried to delete channels in the menu Edit -> Channel Locations, but it doesn't allow me to do so:</div><div><br></div><div>"<i>The number of data channels not including fiducials does not correspond to the initial number of channels, so for consistency purposes new channel information will be ignored....</i>"</div><div><br></div><div>Can anyone help me out? I really need to exclude the channels that I don't use. </div><div><br></div><div>Thanks in advance!</div><div><br></div><div>Best regards,</div><div><br></div><div>Pedro Custódio</div></div>
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