Movies could provide unexpected information on the state of medical knowledge in different historical periods. The first centenary of the German silent horror movie Das Cabinet des Dr. Caligari (The Cabinet of Dr. Caligari) by Robert Wiene (1873-1938) could be a timely occasion to reflect on the scientific debate of hypnosis and its legal implications between the 19th and the 20th century. In particular, this article describes the positions of the School of Salpêtrière (Charcot) and the School of Nancy (Bernheim) on the possibility of crimes committed by subjects under hypnosis and the influence of these theories on medical community and public opinion of Germany in the interwar period.
Keywords: Cinema; Hippolyte Bernheim; History; Hypnosis; Jean-Martin Charcot; Robert Wiene; Sleepwalking.
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