"Adrian Raine" is a British psychologist. He currently holds the Professor/chair of Richard Perry University Professor of Criminology & Psychiatry in the Department of Criminology of the School of Arts and Sciences and in the Department of Psychiatry of the School of Medicine at the University of Pennsylvania. He is noted for his research on the Neurobiology/neurobiological and Biosocial theory/biosocial causes of Antisocial personality disorder/antisocial and Violence/violent behavior in children and adults.

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Our argument is that the more networking there is in the prefrontal cortex, the more the person has an upper hand in lying. Their verbal skills are higher. They almost have a natural advantage.

Pathological liars can't always tell truth from falsehood and contradict themselves in an interview. They are manipulative and they admit they prey on people. They are very brazen in terms of their manner, but very cool when talking about this.

White matter may provide liars with the tools necessary to master the complex art of deceit.

If these liars have a 14 percent reduction in grey matter, that means that they are less likely to care about moral issues or are less likely to be able to process moral issues. Having more gray matter would keep a check on these activities.

Lying is cognitively complex, ... It is not easy to lie. It is certainly more difficult than telling the truth. Some people have a biological advantage in lying. It gives them a slight edge.

We looked for things like inconsistencies in their stories about occupation, education, crimes and family background.

To our knowledge, it is the first imaging study on people who lie, cheat and deceive as a group.

Lying takes a lot of effort. You have to be able to understand the mindset of the other person. You also have to suppress your emotions or regulate them because you don't want to appear nervous. There's quite a lot to do there. You've got to suppress the truth.