If you ever need an EKG like right *now*.pic.twitter.com/tAwtLufcF4
@doragasu why? if you're just measuring the potential difference between two points, you shouldn't need a separate reference.
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@marcan42 Him, for single channel measurements you might be right. But you usually use several channels on EEG, with a single reference. -
@doragasu Of course, for several channels it makes practical sense to have a separate reference (even for a single channel, to reduce noise) - Show replies
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