Nature-nurture interplay: genetically informative designs contribute to understanding the effects of trauma and interpersonal violence

The past two decades have seen an explosion in research in the fields of violence and trauma and behavior genetics. These two fields came into direct conflict when Lisabeth Fisher DiLalla and Irving I. Gottesman outlined a fundamental conceptual limitation of trauma and violence research: that rather than being causal, the well-documented relationship between exposure to trauma or violence and later negative outcomes could be explained by gene-environment correlation. In the past decade, researchers have addressed this limitation by studying the effects of trauma and violence using genetically informative designs. This report briefly discusses the gains made from this research approach and the promising future for genetically informative trauma and violence research.     

Relationship Abuse and Victims’ Posttraumatic Stress Disorder Symptoms: Associations with Child Behavior Problems

This study examined associations among male-to-female physical and psychological relationship aggression, female partners’ PTSD symptoms, and behavior problems among the children (n = 62) of men enrolled in a treatment program for relationship abuse perpetration. Psychological aggression was a stronger predictor of child behavior problems than physical assault. Restrictive engulfment and hostile withdrawal behaviors evidenced the strongest bivariate associations with child behavior problems, and were the strongest predictors of this outcome when considering four distinct forms of psychological aggression together. Victim PTSD symptoms largely mediated the effects of psychological aggression on child behavior. Findings suggest that male-to-female psychological aggression and victim PTSD symptoms play an important role in understanding behavior problems among children living with male relationship abuse perpetrators. Portions of this work were presented at the annual convention of the Association for the Advancement of Behavior Therapy, New Orleans, Louisiana, November, 2004.