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Hans Berger (21 May 1873 – 1 June 1941) was a German psychiatrist. He is best known as the inventor of electroencephalography (EEG) in 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.
Alpha waves were discovered by German neurologist Hans Berger, the inventor of the EEG itself. Alpha waves were among the first waves documented by Berger, along with beta waves, and he displayed an interest in "alpha blockage", the process by which alpha waves decrease and beta waves increase upon a subject opening their eyes. This distinction ...
Richard Caton (1842, Bradford – 1926), of Liverpool, England, was a British physician, physiologist and Lord Mayor of Liverpool who was crucial in discovering the electrical nature of the brain and laid the groundwork for Hans Berger to discover alpha wave activity in the human brain. [1] [2]
History of generalized epilepsy with absence seizures are dated to the eighteenth century, however the inventor of the electroencephalogram (EEG), Hans Berger, recorded the first EEG of an absence seizure in the 1920s, which led the way for the general notion of spike-and-wave electrophysiology. His first recording of a human EEG was made in ...
In 1924 Berger was the first to record human brain activity utilizing EEG. Berger was able to identify oscillatory activity, such as the alpha wave (8–13 Hz), by analyzing EEG traces. Berger's first recording device was rudimentary. He inserted silver wires under the scalps of his patients. These were later replaced by silver foils attached ...
Hans Berger (1873–1941), Germany – first human EEG and its development; Friedrich Bergius (1884–1949), Germany – Bergius process (synthetic fuel from coal) Emile Berliner (1851–1929), Germany and U.S. – the disc record gramophone; Tim Berners-Lee (born 1955), UK – with Robert Cailliau, the World Wide Web
Advertisement for Bayer Heroin The first human EEG recording obtained by Hans Berger in 1924 1796: Homeopathy by Samuel Hahnemann [ 324 ] 1803–1827: First isolation of morphine by Friedrich Sertürner in Paderborn ; first marketed to the general public by Sertürner and Company in 1817 as a pain medication ; and the first commercial ...
Hans Berger: a German neurologist, best known as the inventor of electroencephalography (EEG) (the recording of "brain waves") in 1924, coining the name, and the discoverer of the alpha wave rhythm known as "Berger's wave" Emil Berliner: He is best known for developing the microphone and disc record gramophone. Albert Betz: Betz's law, 1913