This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Hypnose. en Behavioural experiments under hypnosis at the Budapest clinic of the Department of Mental Health and Pathology Hypnotic suggestion of praying Hypnotic suggestion of suicide Hypnotic suggestion of swearing an oath Hypnosis produced by the tuningfork Photographs reproduced from Ka roly Laufenauer Eloadasok az idege let