Some remarks on the history of twin research in the field of psychogenic disorders

Journal/Book: Z Psychosom Med Psychother. 2000; 46: Theaterstrasse 13, , D-37073 Gottingen, Germany. Vandenhoeck & Ruprecht. 109-128.

Abstract: Since the epoch-making publication of Sir Francis Galton, twin research has been an excellent method in order to assess the influence of nature and nurture. In this overview the history of twin research is described for the field of psychogenic disorders by the examples of diagnosis of zygosity, representativity of the sample, criminality, homosexuality and some disorders such as enuresis, obsessive-compulsive disorders and anorexia nervosa. Nowadays the modern methods of molecular genetics for diagnosis of zygosity offer new and overwhelming possibilities of twin research.

Note: Article Hafner S, Forschungsstelle Psychotherapie, Christian Belser Str 79A, D-70597 Stuttgart, GERMANY

Keyword(s): twin research; history; psychogenic disorders; zygosity; sampling; ANOREXIA-NERVOSA; MONOZYGOTIC TWINS; QUESTIONNAIRE; ZYGOSITY

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