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Article
March 1967

Body-Image Variability in Peptic Ulcer: A Perceptual Experiment With Identical Twins

Author Affiliations

Milwaukee; Fil Kand, Lund, Sweden
From the Jewish Vocational Service, Milwaukee (Dr. Friedman) and the Psychological Laboratory, Psychiatric Clinic, Lund University, Sweden. This study was carried out while the senior author was a visiting Fulbright Lecturer, Lund University.

Arch Gen Psychiatry. 1967;16(3):334-343. doi:10.1001/archpsyc.1967.01730210074012
Abstract

IT IS the purpose of this paper to demonstrate the potential contributions of a particular experimental technique to an understanding of the emotional aspects of peptic ulcer. The method involved has been elaborated upon previously in a number of papers, both as to theory1-5 and application to various clinical populations.6-9 To date, however, it has not been applied to psychosomatic problems.

Briefly, the technique involves a successive fractionating of the visual perceptual process from lesser to greater exposure times to a given stimulus (in this experiment, the silhouette of a human figure). An attempt is then made to reinforce the stabilized percept ultimately evolving from this stimulus fractionation. Finally, there is gradually introduced into this stabilized percept a second stimulus, complementary in nature, but at the same time somewhat provocative in character (in this experiment, the internal viscera and musculo

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