A brain region that is associated with reward perception and impulsive behavior is 10% larger in psychopaths.

ByTibi Puiu, June 2, 2022, in Health & Medicine, News, Psychology

Psychopathy is one of the most recognizable and well-studied personality disorders — and for good reason too: it can sometimes be deadly dangerous.

But with all the research that’s been poured into studying psychopathy and its anti-social traits, we still don’t have a clear picture as to what causes it.

Like other developmental disorders, there is not one single cause of psychopathy, with research indicating a complex interplay of genetic and environmental factors that work together to shape people into psychopaths. These factors could manifest themselves in fundamental biological differences at the neural level between psychopathic and non-psychopathic people — and a new study may have just spotted one such biological difference. …

By looking at the brain scans of the individuals who scored higher on the psychopathy test, the researchers noticed that an area of the forebrain, known as the striatum, was about 10% larger in psychopathic people compared to individuals with low or no psychopathic traits.

Editor’s Note: Read more, see link below for original item…

Source: Scientists find key brain abnormality that may explain why some people are psychopaths