“Biology,” she told me. “At least, that’s what many researchers think. Psychopaths are believed to suffer from brain abnormalities. It’s why they make the same mistakes over and over. They are biologically incapable of learning from punishment or understanding remorse or even experiencing anxiety. But sociopaths are believed to be different. While their behavior is often just as bad as psychopaths’, they appear to be more capable of evolution. Their issues seem to be more environmental than biological.” Dr. Slack shrugged. “At least, that’s one of the theories. But there’s a lot of
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