[Eeglablist] LPP and skin potentials

[sahar azarang]

Dear all,
I have a problem with distinguishing skin potential artefacts and
positive/negative shift in EEG due to brain activity (such as LPP ...),
especially when i'm working with event related potentials. So I don't know
if I am doing correct atefact removing or i am deleting some valuabe data
from eeg data. is there any criterion for this?

Thanks in advance,
Sahar
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