Abstract
Biological theories of the personality trait of psychoticism (P) have proposed roles for low dopamine-β-hydoxylase and high testerosterone. It was therefore predicted that polymorphisms of the dopamine-β-hydroxylase and androgen receptor genes would be associated with P. Data were taken from a community survey of Australian adults who completed personality questionnaires and gave a DNA sample. 896 participants were genotyped for dopamine-β-hydroxylase C-1021T polymorphism, and 1676 and 1698 were genotyped for androgen receptor CAG and GGC repeat polymorphisms respectively. Males with short CAG alleles were found to have significantly higher P scores, but no other associations with P were found. Given the statistical power of the study, if there are associations with the polymorphisms investigated, they must be very small.
Original language | English |
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Pages (from-to) | 191-202 |
Number of pages | 12 |
Journal | Personality and Individual Differences |
Volume | 37 |
Issue number | 1 |
DOIs | |
Publication status | Published - Jul 2004 |