Genetic and environmental influences on schizotypy: a community-based twin study.

  title={Genetic and environmental influences on schizotypy: a community-based twin study.},
  author={Angus W. MacDonald and Michael F. Pogue-Geile and T T Debski and Stephen B. Manuck},
  journal={Schizophrenia bulletin},
  volume={27 1},
This study investigated the factor structure and etiology of four self-report schizotypy questionnaires during young adulthood (age 18-27) in 98 monozygotic and 59 same-sex dizygotic twin pairs from the community. A single phenotypic factor was identified that was primarily associated with Perceptual Aberration, Magical Ideation, and the Rust Inventory of Schizotypal Cognitions scales, and less so with Social Anhedonia. Univariate etiologic models suggested that in addition to nonshared… CONTINUE READING
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