Hans Berger and the discovery of the electroencephalogram.
D001831:Body Temperature; D001921:Brain / Q000502:physiology; D002560:Cerebrovascular Circulation; D004569:Electroencephalography / Q000266:history*; D004594:Electrophysiology; D004827:Epilepsy / Q000503:physiopathology; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D009482:Neurophysiology; D010991:Plethysmography; D011603:Psychophysiology / Q000266:history*