Career
After initially working in Germany as a midwife, Deri was analysed at the Berlin Psychoanalytic Institute, first by Karl Abraham, and then by Hanns Sachs, becoming herself a lay analyst. She was one of the first (and few) lay analysts to be accepted into the American psychoanalytic community, and practised in Los Angeles, where she could pusue her passion for the cinema. She published articles on insomnia and sublimation, as well as contributing to the analysis of coprophilia, and to the fantasy of being part of the partner"s body in sexual submission.