Psychodynamics New Synthesis", psychiatrist Mardi J. Horowitz states that his own interest and fascination with psychodynamics began during the 1950s, when he heard Ralph Greenson, a popular local psychoanalyst who spoke to the public on topics such as "People who Hate", speak on the radio at UCLA. In his radio discussion, according to Horowitz, he "vividly described neurotic behavior and unconscious mental processes and linked psychodynamics theory directly to everyday life." In the 1950s, American psychiatrist Eric Berne built on Freud's psychodynamic model, particularly that of the "ego states", to develop a psychology of human interactions called transactional analysis which, according
Berne, Indiana officially recorded as a community soon after. A post office was established in Berne in 1872. A steady stream of Swiss and German people came into the area from that train, as did English-speaking migrants, some of whom became successful businessmen in the new community. They contributed immensely in the growth of Berne. Berne is located in northeastern Indiana at (40.658146, -84.954256). According to the 2010 census, Berne has a total area of , all land. As of the census of 2010, there were 3,999 people, 1,620 households, and 1,078 families residing in the city. The population density was .