Researchers studying the genetic roots of antisocial behavior report that children with one variant of a serotonin transporter gene are more likely to exhibit psychopathic traits if they also grow up poor. The study, the first to identify a specific gene associated with psychopathic tendencies in youth, appears this month in the Journal of Abnormal Psychology. People with psychopathic traits generally are more callous and unemotional than their peers, said University of Illinois psychology professor Edelyn Verona, whose graduate student Naomi Sadeh led the study. Although psychopathy is considered abnormal, these traits may be useful in certain circumstances, Verona said.
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