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Published on Nov 17, 2011
Practical Tactics from Neuro Discoveries.
The Biology of Violence Prefrontal Cortex Study: Since the 1980s, scientists have correlated damage to the prefrontal cortex with psychopathic behavior and the inability to make morally and socially acceptable decisions. Unfortunately, this forehead region of the brain is often the site of injury. Researchers are finding more and more links between violent behavior and brain damage to certain regions of the brain. Children who experience early damage in the prefrontal cortex never completely develop social or moral reasoning. As adults, even on an intellectual level, they cannot refer to such behavior because they have little concept of it. In contrast, individuals with adult-acquired damage are usually aware of proper social and moral conduct, but are unable to apply such behaviors. Researchers at the University of Sweden have found the prefrontal cortex to be precisely the area of the brain that is impaired in murderers, rapists, and other violent criminals who repeatedly re-offend.
Brain injury causes lesions that appear and change over time in the prefrontal cortex and its pathways to the older regions of the brain. This explains the wide spectrum of complex neurobehavioral complaints following MTBI: compulsive and explosive behavior, sensory anomalies, memory loss -- as well as behavioral dis-inhibition, domestic violence, and alcohol intolerance.
Brain injury is the signature wound of war. The use of Improvised Explosive Devices (IEDs) by insurgents in Iraq and Afghanistan has led to large numbers of US servicemen and women suffering from the affliction. The pressure waves from the devices can affect the soldier directly or indirectly by causing the head to impact a surface (the inside of a HMMWV as it rolls, for example).
According to the US Defense Center of Excellence for Psychological Health and Traumatic Brain Injury (DCoE), there are four categories of TBI. These are: Mild, Moderate, Severe and Penetrating. The DCoE was established in November 2007 to 'integrate knowledge and identify, evaluate and disseminate evidence based practices and standards for the treatment of psychological health and TBI within the Defense Department'. It divides the symptoms of TBI into three categories.
Cognitive: difficulties with attention, concentration, memory, processing speed, judgement and executive control.
Behavioural-emotional: depression, anxiety, irritability, impulsivity and aggression.
November 3, 2011 "One U.S. veteran of wars in Iraq and Afghanistan attempts suicide every 80 minutes, according to new study. But it is not just returning servicemen and women who are suffering. From 2005 to 2010, approximately one current service member attempted suicide every 36 hours, the study revealed.