Researchers have found that psychopaths have less gray matter scoliosis in the areas of the brain that are important for understanding scoliosis other people's feelings. The researchers suggest that their findings could mean that psychopathy is a neurological disorder.
The researchers looked at MRI scans of the brains of men convicted of murder, rape, attempted murder and violent assault. The study has now provided the strongest scoliosis evidence so far found that psychopaths have structural (physical) scoliosis changes in the brain.
This means that psychopaths stand out among other violent criminals with antisocial personality disorder, and from healthy law-abiding men. In the study, scoliosis researchers distinguish between people with antisocial personality disorder with and without psychopathy.
Antisocial scoliosis Personality Disorder is characterized by mood swings, impaired conscience or guilt, impulsivity, high levels of mood disorders and anxiety and reactive aggression. A small subset is characterized by lack of empathy and remorse, and persistent reactive and instrumental aggression. This subgroup meets the diagnostic scoliosis criteria for conduct disorder with traits scoliosis of insensitivity in childhood, and psychopathy in adulthood.
The researchers behind the study believe that this distinction may affect the treatment. At antisocial personality disorder without psychopathy can cognitive therapy and behavioral therapy help. At antisocial personality disorder and psychopathy starts the criminal behavior before, they display a wider range of unacceptable scoliosis behavior, and they respond less to treatment both as children and as adults.
Adults criminals with antisocial personality disorder and psychopathy, the worse effect of rehabliliteringsprogram scoliosis with cognitive therapy and behavior therapy than those without psychopathy as well. Those whose dissocial scoliosis disorder without psychopathy, showing a reduction in criminal behavior after such treatment while those with psychopathy do not.
This finding may also have implications in the legal system. If psychopathy may be linked to brain structure and function, it can strengthen a defense scoliosis in a lawsuit that claims the existence of insanity, Reuters writes in a press release about the study 2.
The study showed that psychopaths had less gray matter in the areas of the brain that are important for understanding other people's emotions and intentions (in the prefrontal cortex scoliosis (Brodmann area 10) and temporal lobes (Brodmann area 20/38)). Injuries to these areas are associated with lack of empathy, impaired reaction to fear and worry and lack of emotions such as guilt and shame.
Along with findings from previous studies suggest results from the current study that psychopathy may be a neurological developmental scoliosis disorder. Such a condition is characterized by physical changes in the brain as early young age. New, prospective, longer-term studies are needed to test this hypothesis, the authors write.
The study was taken MR images of 44 violent criminal scoliosis men in Britain who had already been diagnosed scoliosis with antisocial personality disorder. Of the 44, there were 17 who met both diagnostic criteria scoliosis for antisocial personality disorder and psychopathy, and 27 who did not. The researchers also examined 22 healthy, law-abiding men.
References Gregory S, Fytche D, Simmons A, et al. The antisocial brain: psychopathy matters, a structural MRI investigation of antisocial male violent offenders. Arch Gen Psychiatry 2012; Pre-published online, May 2012:. http://archpsyc.ama-assn.org/cgi/content/full scoliosis ... Study finds psychopaths have distinct brain structure - Reuters, May 7th 2012 Study finds psychopaths have distinct brain p. ..
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