Once my colleagues and I at the National Institute of Mental Health conducted some of the first ever brain imaging research of psychopathic adolescents, and our findings, and the findings of other researchers now, have shown that people who are psychopathic pretty reliably exhibit three characteristics.
Jednom sam sa kolegama na Državnom institutu za mentalno zdravlje provodila među prvim istraživanjima snimanja mozga kod psihopata u adolescelenciji i ono što smo mi, i drugi istraživači pronašli, ukazuje na to da  psihopati sa velikom pouzdanošću, iskazuju tri značajke.