Related Experiment Video
Updated: Oct 20, 2025

Chronic Social Defeat Stress in Early Adolescent Male Mice
Published on: January 24, 2025
Pathways from child maltreatment to proactive and reactive aggression: The role of posttraumatic stress symptom
Elizabeth M McRae1, Laura Stoppelbein2, Sarah E O'Kelley1
1Department of Psychology, University of Alabama at Birmingham.
Insights
Child maltreatment can lead to childhood aggression. Posttraumatic stress symptoms (PTSS) mediate this link, particularly intrusion symptoms influencing reactive aggression in children.
Area of Science:
- Child Psychology
- Trauma Studies
- Developmental Psychopathology
Background:
- Childhood aggression is linked to adverse outcomes.
- Child maltreatment is a significant risk factor for aggression.
- Child maltreatment often leads to posttraumatic stress symptoms (PTSS).
Purpose of the Study:
- To investigate the relationship between child maltreatment, PTSS clusters, and aggression (proactive and reactive).
- To explore PTSS clusters as potential mediators in the link between maltreatment and aggression.
Main Methods:
- Path analysis was used to model relationships.
- Children aged 6-14 in residential treatment completed self-report measures.
- Individual PTSS clusters were examined as mediators.
Main Results:
- Direct effects of child maltreatment and PTSS clusters on aggression were found.
- The intrusion PTSS cluster significantly mediated the relationship between child maltreatment and reactive aggression.
Conclusions:
- Specific PTSS clusters, like intrusion, may explain the link between child maltreatment and reactive aggression.
- Findings have implications for clinical interventions and future research on childhood aggression and trauma.
Objective:
Childhood aggression is related to a myriad of negative concurrent and long-term outcomes. To mitigate the risks associated with childhood aggression, it is important to understand risk factors that might predispose 1 to aggressive behaviors. One risk factor commonly associated with aggression is the experience of child maltreatment. A common outcome associated with child maltreatment is the development of posttraumatic stress symptoms (PTSS). Several prevailing theoretical models of both posttraumatic stress and aggression indicate that these constructs have similar underlying cognitive, behavioral, and emotional mechanisms. Therefore, the present study examined the relations between and among child maltreatment, PTSS clusters, and proactive and reactive aggression in children.
Method:
Children between the ages of 6 and 14 who were enrolled in a residential treatment program completed self-report measures to evaluate variables of interest. These variables were included as multiple outcomes in a path analysis model in which individual PTSS clusters were examined as potential multiple mediators of the relations between child maltreatment and proactive and reactive aggression.
Results:
Direct effects of child maltreatment and PTSS clusters on aggression were observed. Significant indirect effects of the intrusion PTSS cluster on the relation between child maltreatment and reactive aggression was found.
Conclusions:
Findings suggest that symptoms associated with these specific PTSS clusters might help explain the relation between child maltreatment and reactive aggression and therefore present important implications for clinical practice and future research. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
More Related Videos
Related Concept Videos
Post-traumatic Stress Disorder
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
Bullying
Aggression
Psychological and Sociocultural Causes of Schizophrenia
Stress and Mental Health
Individuals with depression often experience challenges in both their personal and professional...
Introduction to Stress and Lifestyle

