Study (IMAGE) Virginia Commonwealth University Caption Over two structural MRI studies of 'successful' psychopathic individuals, the researchers found that participants had greater levels of gray matter density in the ventrolateral prefrontal cortex, one of the brain regions involved in self-regulatory processes. Credit VCU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.