Genetic and environmental structure of Cloninger's temperament and character dimensions

Journal of Personality Disorders
Juko AndoKerry L Jang

Abstract

The multivariate genetic and environmental structure of Cloninger's Temperament and Character Inventory (TCI) was investigated in a sample of 617 pairs of adolescent and young adult twins from Japan. Additive genetic factors accounted for 22% to 49% of the variability on all TCI temperament scales. Although the theory predicts lower heritability for the character scales, all character subscales had a substantial genetic contribution, and nonshared environmental influences accounted for the remainder. Multivariate genetic analyses showed that several subscales used to define one dimension shared a common genetic basis with subscales defining others. Using the degree of shared genetic influence as the basis to rearrange the TCI subscales into new dimensions, it was possible to create genetically independent scales. The implications for personality measurement, theory, and molecular genetic research are discussed.

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Citations

Nov 16, 2011·Journal of Neurology·Michele Poletti, Ubaldo Bonuccelli
Jan 22, 2014·Psychiatry Research·Paolo BrambillaMaria Antonietta Stazi
Feb 12, 2013·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Juko AndoSyuichi Ooki
Jun 21, 2006·Journal of Personality and Social Psychology·Shinji YamagataKerry L Jang
Sep 10, 2008·Psychological Assessment·Richard F Farmer, Lewis R Goldberg
Feb 1, 2008·Cerebral Cortex·Hidenori YamasueKiyoto Kasai
May 4, 2010·Personality and Social Psychology Review : an Official Journal of the Society for Personality and Social Psychology, Inc·Robert R McCraeAntonio Terracciano
Sep 24, 2005·Journal of Personality Disorders·Thomas A WidigerRoel Verheul
Jul 3, 2019·Frontiers in Psychiatry·Nóra KerekesThomas Nilsson

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