I don’t recommend using SSP cleaning on such a low number of EEG signals (and I don’t recommend it for EEG in general). Prefer an ICA decomposition:
https://neuroimage.usc.edu/brainstorm/Tutorials/Epilepsy#Artifact_cleaning_with_ICA
I don’t recommend using SSP cleaning on such a low number of EEG signals (and I don’t recommend it for EEG in general). Prefer an ICA decomposition:
https://neuroimage.usc.edu/brainstorm/Tutorials/Epilepsy#Artifact_cleaning_with_ICA