Hans Berger: German neuroloigst (1873 - 1941) | Biography
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Hans Berger
German neuroloigst

Hans Berger

Hans Berger
The basics

Quick Facts

Intro German neuroloigst
Was Scientist Neuroscientist Psychiatrist Neurologist Educator
From Germany
Field Academia Healthcare Science
Gender male
Birth 21 May 1873, Neuses, Coburg, Upper Franconia, Bavaria
Death 1 June 1941, Jena, Thuringia, Germany (aged 68 years)
The details (from wikipedia)


Hans Berger (21 May 1873 – 1 June 1941) was a German psychiatrist, 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".


Berger was born in Neuses (now part of Coburg), Saxe-Coburg and Gotha, Germany.

After attending Casimirianum, where he gained his abitur in 1892, Berger enrolled as a mathematics student at the Friedrich Schiller University of Jena with a view to becoming an astronomer. After one semester, he abandoned his studies and enlisted for a year of service in the cavalry. During a training exercise, his horse suddenly reared and he landed in the path of a horse-drawn cannon. The driver of the artillery battery halted the horses in time, leaving the young Berger shaken but with no serious injuries. His sister, at home many kilometres away, had a feeling he was in danger and insisted their father telegram him. The incident made such an impression on Berger that, years later in 1940, he wrote: “It was a case of spontaneous telepathy in which at a time of mortal danger, and as I contemplated certain death, I transmitted my thoughts, while my sister, who was particularly close to me, acted as the receiver.”

On completion of his military service, and obsessed by the idea of how his mind could have carried a signal to his sister, Berger returned to Jena to study medicine with the goal of discovering the physiological basis of “psychic energy”. His central theme became “the search for the correlation between objective activity in the brain and subjective psychic phenomena”.

After obtaining his medical degree from Jena in 1897, Berger joined the staff of Otto Ludwig Binswanger (1852–1929) who held the Chair in psychiatry and neurology at the Jena clinic. Habilitated in 1901, he qualified as a senior university lecturer in 1906 and physician-in-chief in 1912, eventually succeeding Binswanger in 1919. He also collaborated with two famous scientists and physicians, Oskar Vogt (1870–1959) and Korbinian Brodmann (1868–1918), in their research on lateralization of brain function. Berger married his technical assistant, Baroness Ursula von Bülow, in 1911 and later served as an army psychiatrist on the Western front during World War I. He was elected Rector of Jena University in 1927.

In 1924, Berger succeeded in recording the first human electroencephalogram (EEG). Filled with doubt, it took him five years to publish his first paper in 1929 which demonstrated the technique for "recording the electrical activity of the human brain from the surface of the head". His findings were met with incredulity and derision by the German medical and scientific establishments. Having visited the EEG laboratory at Jena in 1935, American roboticist William Grey Walter noted that Berger "was not regarded by his associates as in the front rank of German psychiatrists, having rather the reputation of being a crank. He seemed to me to be a modest and dignified person, full of good humour, and as unperturbed by lack of recognition as he was later by the fame it eventually brought upon him. But he had one fatal weakness: he was completely ignorant of the technical and physical basis of his method. He knew nothing about mechanics or electricity." After British electrophysiologists Edgar Douglas Adrian and B. H. C. Matthews confirmed Berger's basic observations in 1934, the importance of his discoveries in electroencephalography (EEG) were finally recognized at an international forum in 1937. By 1938, electroencephalography had gained widespread recognition by eminent researchers in the field, leading to its practical use in diagnosis in the United States, England, and France.

In 1938, at the retirement age of 65, Berger was made Professor Emeritus in Psychology. According to biographers Niedermeyer and Lopes da Silva, the appointment occurred in an unceremonious manner as his relationship with the Nazi regime was particularly strained. Numerous sources report that, given their hostile relationship, the Nazis forced Berger into retirement that same year with a complete ban of any further work on EEG. These biographical accounts were contradicted in 2005 by Ernst Klee, the German journalist specializing in the exposure and documentation of Nazi medical crimes. In 2005, Dr Susanne Zimmermann, medical historian at the University of Jena, found evidence that Berger had not been forced into retirement but had "served on the selection committee for his successor" who was sacked as a Nazi after the war. Moreover, official records at the University of Jena dating from the 1930s proved that Berger had served on the Erbgesundheitsgericht (Court for Genetic Health) that imposed sterilizations while his diaries contained anti-Semitic comments. Dr Zimmermann's findings corroborated research published in Germany in 2003 documenting Berger's invitation by the SS racial hygienist Karl Astel to work for the EGOG (Court for Genetic Health) in 1941. Berger replied: "I am gladly willing to work again as an assessor at the Court for Genetic Health in Jena, for which I thank you." Berger did not join the SS, SA or Nazi party "despite the significant Nazification of the University of Jena" - "but was a supporting SS member, possibly for self-protection."

After a long period of clinical depression, and suffering from a severe skin infection, Berger committed suicide by hanging on June 1, 1941 in the southern wing of the clinic.


Among his many research interests in neurology, Berger studied brain circulation, psychophysiology and brain temperature. However his main contribution to medicine and neurology was the systematic study of the electrical activity of human brain and the development of electroencephalography (EEG), following the pioneering work done by Richard Caton (1842–1926) in England with animals. In 1924, Berger made the first EEG recording of human brain activity and called it Elektrenkephalogramm.

An early EEG recording done by Berger

Using the EEG he was also the first to describe the different waves or rhythms which were present in the normal and abnormal brain, such as the alpha wave rhythm (7.812–13.28 Hz), also known as "Berger's wave"; and its suppression (substitution by the faster beta waves) when the subject opens the eyes (the so-called alpha blockade). He also studied and described for the first time the nature of EEG alterations in brain diseases such as epilepsy.

His method involved inserting silver wires under the patients scalp, one at the front of the head and one at the back. Later he used silver foil electrodes attached to the head by a rubber bandage. As a recording device he first used the Lippmann's capillary electrometer, but results were disappointing. He then switched to the string galvanometer and later to a double-coil Siemens recording galvanometer, which allowed him to record electrical voltages as small as one ten thousandth of a volt. The resulting output, up to three seconds in duration, was then photographed by an assistant.


Hans-Berger-Preis is awarded triennially by the Deutsche Gesellschaft für Klinische Neurophysiologie (German Society of Clinical Neurophysiology) for long-standing, extensive academic work in theoretical or clinical neurophysiology.

The contents of this page are sourced from Wikipedia article. The contents are available under the CC BY-SA 4.0 license.
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