The hallmark of narcissistic personality disorder is grandiosity. The narcissist harbors a strong sense of entitlement, self-aggrandizing fantasies, and a craving for admiration. In severe cases, she ...

Psychopaths might account for only about 1% of the general population, but they account for a disproportionate share of ...

Psychopaths and sociopaths can display harmful behaviors that are often hidden beneath a calm exterior. Discover the 7 telltale signs, from manipulative lying to a lack of emotional connection, that ...

Add Yahoo as a preferred source to see more of our stories on Google. When dealing with a psychopath, it can be unnerving to realize just how calculated they can be in choosing their targets. While it ...

People who engage in psychopathic behaviors have often left their victims wondering what made them this way. The typical traits of psychopaths, such as high levels of narcissism, manipulative charm, ...

Forbes contributors publish independent expert analyses and insights. I write about relationships, personality, and everyday psychology. The terms “psychopath” and “sociopath” are often used ...

Psychologist Robert Hare’s Psychopathy Checklist is the most widely used diagnostic tool to identify psychopathy — not only in prisons and institutions. If you give the test to CEOs or other corporate ...

Authors ID people who are almost, but not quite, clinical psychopaths. June 19, 2012— -- Chances are you might know someone who is almost a psychopath. The coworker who throws you under the bus.

Scientists exploring new ways to address psychopathic traits have found that gentle electrical or magnetic stimulation of the brain may slightly improve empathy and prosocial behavior. A new study ...