Psychopaths are characterized by a lack of empathy and remorse, and use aggression in a planned way to secure what they want, whether it is status or money. But until now, none have examined these differences within a population of violent offenders with ASPD, Blackwood said. We now know that this behavioral difference corresponds to very specific structural brain abnormalities which underpin psychopathic behavior, such as profound deficits in empathizing with the distress of others.
The objectives of this report are to establish an association between frontal lobe dysfunction and violent, criminal behavior and to determine the impact of habitual alcohol use and any damaging effects on the frontal lobe.
This type of behavior is often typical amongst those with abusive, highly aggressive, antisocial and impulsive behaviors. Frontal Lobe Changes in Alcoholism: A Review of the Literature is a report that takes a look at alcohol consumption and its contribution to frontal lobe changes as a result of the disease of alcoholism.
There is evidence from neuropsychological studies that shows specific deficits suggesting frontal lobe dysfunction. The scale assigns a number from 3 to 15 with higher numbers denoting a higher degree of awareness.
A score of 8 and below signifies severe brain injury, a score between 9 and Brain dysfunction in criminal behavior shows moderate brain injury, and a score above 13 would be a minor brain injury.
Still, the Glasgow Coma Scale is one of the most commonly used assessment tools for brain injury victims. Now used worldwide to evaluate head traumas, it has stimulated the creation of other assessment tools. Both are used to measure the damage level to the frontal lobe.
Stroop Test focuses on the relationship between word and reading of color. Verbal Fluency Test asks the subject to produce as many words as possible beginning with a certain letter. The similarities of these independent studies support the theory that subjects with frontal lobe damage does show more aggressive and violent behaviors compared with subject not having frontal lobe damage.
Another study measured the neuropsychological effects of aggressive and antisocial subjects.
A small study of subjects addicted to cocaine found highly violent subjects showed more frontal lobe dysfunction that those with lower violence non-aggressive behaviors. Also in a one-year study of forensic psychiatric inpatients who had committed violent crimes, scored low on three tests of the frontal lobe function.
Overall, the studies supported a significant association between frontal lobe dysfunction and increased antisocial and aggressive behaviors Subsequent studies were conducted to see the neurological effects of a violent and criminal population.
“Our results can help to understand how brain dysfunction can contribute to criminal behavior, which may serve as an important step toward prevention or even treatment,” he said. “However, the presence of a brain lesion cannot tell us whether or not we should hold someone legally responsible for their behavior. Neuroscientific evidence about the links between brain dysfunction and criminal behavior seems, to me, unlikely to change our lay views of the demands of justice or . Watch the video, The Brain and Violence: Secrets of Your Mind. In your paper, discuss the role that brain damage, abnormalities in brain structure, and disturbances in brain chemistry may play in criminal behavior.
In a study of adult male drug users, subjects rated higher aggressive behaviors when they showed significant frontal lobe. In another study of thirty one subjects referred by attorneys in murder cases found that Results of tests suggest that chronic alcohol intake results in impaired functions of the cerebral tissue in the frontal region and the behaviors that correlates around this region of the brain.
The studies performed in these reports indicate that clinically significant frontal lobe dysfunction is associated with aggressive and violent behaviors and also can lead to criminal behaviors.
F, Georgiou, F and Khan, A.The outcomes suggest how brain dysfunction can add to criminal conduct, which may fill in as a critical advance toward aversion or even treatment. Darby said, “Be that as it may, the presence of a brain lesion can’t let us know regardless of whether we should .
Brain Dysfunction and Criminal Behavior July 16, Over many decades, there has been research done to find out what are the reasons behind an individual committing a criminal . Secrets of the Criminal Mind.
The most replicable finding so far is dysfunction to the prefrontal cortex, the “guardian angel” in the brain that controls our impulsive behavior and. Three Theories of Criminal Behavior. Updated on June 15, seiken2. more. Contact Author.
Neurotransmitter dysfunction; Brain abnormalities that were caused by either of the above, improper development, or trauma (Raine, ) Brain surgery to control behavior has rarely been applied to criminal behavior. Certainly much more common. He emphasizes that there is no simple, one-to-one relationship between brain dysfunction and criminal behavior, and that the strongest claim that can be made about hyperactivity is that it is a risk factor for anti-social behavior.
"Our results can help to understand how brain dysfunction can contribute to criminal behavior, which may serve as an important step toward prevention or even treatment," he said.