Self-control training decreases aggression in response to provocation in aggressive individuals

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Dysfunction in the neural circuitry of emotion regulation--a possible prelude to violence.

R J Davidson, K M Putnam, C L Larson (2000)

Emotion is normally regulated in the human brain by a complex circuit consisting of the orbital frontal cortex, amygdala, anterior cingulate cortex, and several other interconnected regions. There are both genetic and environmental contributions to the structure and function of this circuitry. We posit that impulsive aggression and violence arise as a consequence of faulty emotion regulation. Indeed, the prefrontal cortex receives a major serotonergic projection, which is dysfunctional in individuals who show impulsive violence. Individuals vulnerable to faulty regulation of negative emotion are at risk for violence and aggression. Research on the neural circuitry of emotion regulation suggests new avenues of intervention for such at-risk populations.

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Neurobiology of aggression and violence.

Larry J Siever (2008)

Acts of violence account for an estimated 1.43 million deaths worldwide annually. While violence can occur in many contexts, individual acts of aggression account for the majority of instances. In some individuals, repetitive acts of aggression are grounded in an underlying neurobiological susceptibility that is just beginning to be understood. The failure of "top-down" control systems in the prefrontal cortex to modulate aggressive acts that are triggered by anger provoking stimuli appears to play an important role. An imbalance between prefrontal regulatory influences and hyper-responsivity of the amygdala and other limbic regions involved in affective evaluation are implicated. Insufficient serotonergic facilitation of "top-down" control, excessive catecholaminergic stimulation, and subcortical imbalances of glutamatergic/gabaminergic systems as well as pathology in neuropeptide systems involved in the regulation of affiliative behavior may contribute to abnormalities in this circuitry. Thus, pharmacological interventions such as mood stabilizers, which dampen limbic irritability, or selective serotonin reuptake inhibitors (SSRIs), which may enhance "top-down" control, as well as psychosocial interventions to develop alternative coping skills and reinforce reflective delays may be therapeutic.

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Video games and aggressive thoughts, feelings, and behavior in the laboratory and in life.

Craig A Anderson, Karen E. Dill (2000)

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Author and article information

Journal

Title: Journal of Research in Personality

Abbreviated Title: Journal of Research in Personality

Publisher: Elsevier BV

ISSN (Print): 00926566

Publication date Created: April 2011

Publication date (Print): April 2011

Volume: 45

Issue: 2

Pages: 252-256

Article

DOI: 10.1016/j.jrp.2011.02.001

SO-VID: 5b197dd8-3d21-4076-8f25-23fbf892cc7f

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http://www.elsevier.com/tdm/userlicense/1.0/

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