The electroencephalogram represents a continuous curve with continuous oscillations in which… one can distinguish larger first order waves with an average duration of 90 milliseconds and smaller second order waves of an average duration of 35 milliseconds.

About Hans Berger

Hans Bergerwas a German psychiatrist. He is best known as the inventor of electroencephalographyin 1924, which is a method used for recording the electrical activity of the brain, commonly described in terms of brainwaves, and as the discoverer of the alpha wave rhythm which is a type of brainwave.

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