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Related Concept Videos

Aggression01:47

Aggression

Humans engage in aggression when they seek to cause harm or pain to another person. Aggression takes two forms depending on one’s motives: hostile or instrumental. Hostile aggression is motivated by feelings of anger with intent to cause pain; a fight in a bar with a stranger is an example of hostile aggression. In contrast, instrumental aggression is motivated by achieving a goal and does not necessarily involve intent to cause pain (Berkowitz, 1993); a contract killer who murders for hire...
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Related Experiment Video

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The Resident-intruder Paradigm: A Standardized Test for Aggression, Violence and Social Stress
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The psychobiology of aggressive behaviour.

Lil Träskman-Bendz1, Sofie Westling

  • 1Department of Clinical Neurosciences, Lund University, Sweden.

Advances in Health Economics and Health Services Research
|September 18, 2007
PubMed
Summary

Genetically influenced aggressive and impulsive behaviors, like Alcoholism Type II, often manifest early and severely. Investigating genes in serotonin, neurosteroid, and carbohydrate metabolism, alongside brain imaging, is key to understanding these complex psychiatric disorders.

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Last Updated: Jul 11, 2026

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Published on: July 4, 2013

Studying Aggression in Drosophila (fruit flies)
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A New Approach that Eliminates Handling for Studying Aggression and the "Loser" Effect in Drosophila melanogaster
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Published on: December 30, 2015

Area of Science:

  • Psychiatry
  • Behavioral Genetics
  • Neuroscience

Background:

  • Genetically determined psychiatric disorders typically present early with severe courses.
  • Gene-environmental interactions significantly influence aggressive and impulsive behaviors.
  • Alcoholism Type II exemplifies a severe, familial disorder associated with antisocial behavior.

Purpose of the Study:

  • To explore the genetic underpinnings of aggressive and impulsive behavior.
  • To investigate the role of genes involved in serotonin, neurosteroid, and carbohydrate metabolism.
  • To utilize brain imaging to identify the neural correlates of aggression and impulsivity.

Main Methods:

  • Reviewing genetic factors in psychiatric illnesses.
  • Examining gene-environmental interactions in behavioral disorders.
  • Proposing the investigation of specific metabolic gene pathways.
  • Suggesting the application of modern brain-imaging techniques.

Main Results:

  • Genetically determined disorders often exhibit early onset and severity.
  • Gene-environment interplay is crucial for aggressive impulsive behavior.
  • Specific gene families (serotonin, neurosteroids, carbohydrates) are implicated.
  • Brain imaging can localize the neural basis of these behaviors.

Conclusions:

  • Understanding aggressive and impulsive behavior requires a multi-faceted approach.
  • Investigating genetic predispositions and their environmental interactions is essential.
  • Neurobiological studies, including brain imaging, are vital for advancing knowledge on these deleterious behaviors.