Question

EEG signals picked up by surface electrodes are usually small as compared to ECG.

(a) True

(b) False

The question was posed to me in an online interview.

I want to ask this question from Measurement of Heart Rate topic in section Patient Monitoring System of Biomedical Instrumentation

Answer 1

The correct answer is (a) True

To elaborate: Yes, EEG signals picked up by the surface electrodes are usually small as compared with the ECG signals. They may be several hundred microvolts, but 50 microvolts peak-to-peak is the most typical.