Relating genetic, biological, and behavioural markers of early vulnerability in conduct problem children.

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This research will conduct the first test of specific genetic risk in a large and representative sample of young conduct problem children. These children represent the first readily identifiable group that are at high risk for ongoing mental health problems in our community. It is highly likely that within their numbers are heterogeneous subgroups that will take very different trajectories through life. The current study builds on several years of developmental research in which we have developed methods for identifying different phenotypes within the group. The study will identify genetic markers of these subtypes and relate these to emotional processing as a general model of risk in the development of mental health problems and antisocial behaviour. Findings will inform models of genetic vulnerability, and more importantly, the relationship of genetic risk to basic information processing styles in at-risk children, thus aiding methods for early detection, early intervention and prevention.