Normal EEG frequency range is _______(a) 50-500Hz(b) 0.5-50HZ(c) 0.05-5Hz(d) 1-200HzThis question was posed to me in an online interview.This intriguing question comes from Electrodes for EEG topic in section Bioelectric Signal and Electrodes of Biomedical Instrumentation

Normal EEG frequency range is _______(a) 50-500Hz(b) 0.5-50HZ(c) 0.05-

1.	Normal EEG frequency range is _______(a) 50-500Hz(b) 0.5-50HZ(c) 0.05-5Hz(d) 1-200HzThis question was posed to me in an online interview.This intriguing question comes from Electrodes for EEG topic in section Bioelectric Signal and Electrodes of Biomedical Instrumentation
Answer» Right option is (b) 0.5-50HZ To explain I would SAY: The FREQUENCY varies greatly with different BEHAVIORAL STATES. The normal EEG frequency content RANGES from 0.5 to 50Hz. The nature of the wave varies over the different parts of the scalp.

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