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Updated: Jun 15, 2026
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The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
Published on: July 4, 2013
[Genetic and social factors in developing of aggression]
Fiziologiia Cheloveka
|March 4, 2010
Summary
The 5-HTTLPR gene influences aggression differently in males and females, with sports potentially reducing aggressive behaviors. SS genotype in females correlates with higher indirect aggression, while LL genotype in males shows higher overall hostility.
Area of Science:
- Neurogenetics
- Behavioral Science
- Sports Science
Context:
- Investigating the complex interplay between genetic predispositions and behavioral traits.
- Examining the modulatory effects of physical activity on aggression.
- Understanding sex-specific differences in the genetic underpinnings of aggression.
Purpose:
- To explore the association between 5-HTTLPR gene polymorphism and aggression in male and female control groups and athletes.
- To determine if sports participation mitigates aggression levels.
- To elucidate the neurobiological correlates of aggression linked to 5-HTTLPR variants in males.
Summary:
- Sport activities were found to decrease aggression, with effects noted in synchronized swimmers and wrestlers.
- Males exhibited higher aggression scores than females. In females, the SS genotype was linked to increased indirect aggression and decreased negativism.
- In males, LL genotype carriers showed higher averaged hostility scores. Neuroimaging in males revealed altered event-related potentials (ERPs) in LL carriers, suggesting differences in change detection and cognitive control.
Impact:
- Findings suggest that the 5-HTTLPR gene's influence on aggression is sex-dependent.
- Sports participation may serve as a protective factor against aggression.
- The study provides insights into the neural mechanisms potentially mediating the relationship between 5-HTTLPR genotype and aggression, highlighting differences in information processing.
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