Brain scans reveal a shocking difference between psychopaths and other people

Neuroscientists have identified a measurable brain difference between people with psychopathic traits and those with few or none. In a study published in the Journal of Psychiatric Research, researchers from Nanyang Technological University, Singapore (NTU Singapore), the University of Pennsylvania, and California State University found that a brain region involved in reward and motivation was larger in individuals with psychopathic traits.

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