Word: elektrenkephalogramm
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...last issue of Der Medizinische Welt, leading German medical journal, Dr. Berger published the results of his experiment. The Elektrenkephalogramm, as Professor Berger called the galvanometer record, showed plainly that the brain produced electricity. Comparison of figures seemed to indicate that electric current decreases as mental activity increases. Dr. Berger distinguished two types of waves, alpha and beta. The alpha waves represented the normal electricity output of an organism when not highly stimulated. The current generated was .2 microvolt. Beta waves represented the brain's electricity production when the subject was stroked by the glass rod, told to figure...
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