Effects of MAOA genotype and childhood experiences of physical and emotional abuse on aggressive behavior in adulthood

@article{Rehan2015EffectsOM,
  title={Effects of MAOA genotype and childhood experiences of physical and emotional abuse on aggressive behavior in adulthood},
  author={Wail Rehan and N. Kenneth Sandnabba and Ada Johansson and Lars Westberg and Pekka Santtila},
  journal={Nordic Psychology},
  year={2015},
  volume={67},
  pages={301 - 312}
}
A functional polymorphism in the monoamine oxidase A (MAOA) gene located on the X chromosome (Xp11.23-11.4) has earned the nickname “warrior gene” because of its association with antisocial behavior and delinquency. Previous findings on adults and adolescents have found some evidence that the MAOA gene moderates the impact of childhood abuse experiences on the risk of developing aggressive behavior. Thus far, however, attempts to replicate these findings have been mixed. The aims of the present… 

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The hypothesis that MAOA genotype moderates the association between early traumatic life events experienced during the first 15 years of life and the display of physical aggression during adulthood is supported and the use of dimensional measures focusing on behavioral aspects of aggression may increase the likelihood of detecting significant gene-by-environment interactions in studies of MAOA-related aggression.

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