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Updated: Aug 7, 2026

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Published on: January 5, 2014
Rapid induction of hypnosis by finger elongation: a brief communication
Stephan Eitner1, Manfred Wichmann, Andreas Schlegel
1Friedrich Alexander University, Erlangen-Nuremberg, Germany. seitner@prothetik-erlangen.de
Abstract:
This clinical pilot study on finger elongation for induction of hypnosis attempts to determine whether the observed response is a hypnotic phenomenon or a simple physiologic reaction. Sixteen volunteers participated in the 5-phase study, which measured relative and absolute changes in the length of each finger prior to and after each phase. A distinctive elongation was statistically significant for the hypnosis condition. In addition, findings suggest changes in the metacarpus. Further investigation is indicated to shed light on this apparent phenomenon.
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