Am J Dis Child. 1948;75(5):726-733. doi:10.1001/archpedi.1948.02030020743009.
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ELECTROENCEPHALOGRAPHY, which has been in general use little more than ten years, finds its most popular employment in the study of convulsive disorders. The first direct study of the electric component of the activity of the brain was conducted by Hans Berger, who made recordings from the brains of animals in 1902 and from the human brain in 1924.1 In the ten years that followed he succeeded in demonstrating most of the basic principles of electroencephography known today. In 1933, Fischer described the grand mal type of discharge as it appeared in animals treated with convulsant drugs.2 The conception of epilepsy in human beings as a "paroxysmal cerebral dysrhythmia" was suggested by Gibbs, Gibbs and Lennox in 1937.3 While never proposed as a substitute for careful clinical evaluation, electroencephalography, with accumulated observations and experience, has permitted an objective and more accurate differentiation of the convulsive disorders as


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