Genetically Informed Studies of Victimization and Trauma
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Questions and Answers

What is the focus of understanding the heritability of victimization and trauma?

Gene-environment interplay

How do genetically informative studies suggest PTSD heritability following assaultive trauma?

Moderately heritable and shares substantial genetic risk with exposure

What does molecular genetic evidence suggest about the causal effects of childhood maltreatment on depression?

Unidirectional causal effects

Explain the genetic correlations related to bullying victimization and perpetration.

<p>Intentional harm in the context of a power imbalance between the bully and the victim</p> Signup and view all the answers

How do genetically influenced traits increase the risk of assaultive trauma, IPV, or bullying?

<p>Through the types of rGe (i.e., passive, evocative)</p> Signup and view all the answers

What is the implication of studying individual vulnerabilities in relation to trauma?

<p>Can inform prevention</p> Signup and view all the answers

What is the prevalence of child maltreatment?

<p>Around 20%</p> Signup and view all the answers

What proportion of individual differences in experiencing childhood maltreatment is accounted for by additive genetic effects based on SNPs?

<p>Approximately 8%</p> Signup and view all the answers

How many loci associated with childhood maltreatment were identified in the study by Warrier et al. (2021)?

<p>14 loci</p> Signup and view all the answers

What percentage of genetic effects related to childhood maltreatment reflected reactive or active gene-environment correlation?

<p>Approximately 60%</p> Signup and view all the answers

What is one of the genetically influenced traits that could increase the risk of victimization and trauma?

<p>Mental illness</p> Signup and view all the answers

What can supportive environments do in the context of genetic risk for trauma?

<p>Buffer against genetic risk</p> Signup and view all the answers

What is the prevalence of intimate partner violence in the Americas?

<p>1-27%</p> Signup and view all the answers

What is the global prevalence of trauma among adults?

<p>~70%</p> Signup and view all the answers

What percentage of bullying victimization is reported among individuals?

<p>30%</p> Signup and view all the answers

What is the intergenerational transmission of victimization?

<p>Evidence of family-level and individual-level risk factors</p> Signup and view all the answers

Why use genetically sensitive designs in the study of victimization and trauma?

<p>To understand possible overlap in genetic and environmental risk factors over time</p> Signup and view all the answers

What do heritability estimates suggest about victimization and trauma?

<p>Genes are not the sole factor, but they play a role</p> Signup and view all the answers

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