Dear group, we're trying to connect 2X32 ch. EEG caps on 1 64ch. device. Does anyone have the experience in what way the ground electrodes should be placed? We can use NuAmps, Deymed or SynAmps EEG devices.
Evelien Suiker
You can either use 1 electrode and put a metal plate under the feet of the subjects or use 2 ground electrodes, one for both subjects.
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Louis Korczowski
Hi Hessel,
The most important part is that you want independent recording to avoid spurious synchrony.
Moreover I do not recommend to have asymmetrical setup. While the GND location on the body is not of great interest (but the convention is earlobe/forehead), just place the GND electrode at the same location for both subject.
Louis
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