> The total EM would probably be less than the brain itself. Brains do not produce electromagnetic radiation. Neuronal activity in the brain is electrochemical

> The total EM would probably be less than the brain itself. Brains do not produce electromagnetic radiation. Neuronal activity in the brain is electrochemical, not the result of electrons moving through conducors - and EEGs (for example) measure aggregate changes in potential, not fluctuations in electromagnetic fields.