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Design the switches and resistor networks required, and show all connections between any four electrodes on the

scalp (Fig. 4.28) and one differential amplifier, to record the EEG for each of the three types of electrode connections (monopolar, bipolar, and "average" potential recordings). See text associated with Figure 4.28. (This isn't research level -- It's an actual problem from a textbook, Medical Instrumentation: Application and Design 4th Edition by John Webster. I desire to check my own answer.)



Figure 4.28 The 10-20 electrode system This system is recommended by the
International Federation of EEG Societies. [From H. H. Jasper, "The ten-
twenty electrode system of the International Federation in Electroencepha-
lography and Clinical Neurophysiology." EEG Journal, 1958, 10 (Appendix),

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