MATLAB: How to insert artificial Artifacts in EEG signals

artifactseegeog

Hi for all please I want to insert EOG artifact in EEG signals how to insert ?

Best Answer

This is a very general question. In general, you will need a sample of an EOG artifact. That you can add to the EEG channels at points of your choice. You will have to scale the artifact to the scaling of the EEG-channels. This scaling will depend on the location of the electrode, i.e. increases in signals that were recorded by electrodes placed in proximty to the eye.

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do you have EOG and/or EMG channels in your data ?

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set_numbers = [4, 5, 7, 8, 10, 12];
for K = set_numbers
     setname_in = sprintf('M%02d_AD1.set', K);
     setname_out = sprintf('M%02d_AD1d', K);
     EEG.etc.eeglabvers = '2020.0'; % this tracks which version of EEGLAB is being used, you may ignore it
     EEG = pop_loadset('filename', setname, 'filepath', 'C:\\EEG_OVGU\\AD1\\');
     EEG = eeg_checkset( EEG );
     EEG = pop_resample( EEG, 250);
     EEG = pop_saveset( EEG, setname_out );  
     EEG = eeg_checkset( EEG );
end

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