Berger Publishes Paper on Electroencephalogram This article is a
stub. Please help expand the article by using the edit tab. In
1929 German psychiatrist Hans Berger published "On the
Electroencephalogram in Humans," coining the term and
characterizing the brain's alpha and beta wave patterns. He had
recorded his first EEGs in 1924. The technology improved in the
1930s and became widely used in the 1940s.