Scott Lilienfeld, an expert in personality disorders who repeatedly disturbed the order in his own field, questioning the science behind many of psychology’s conceits, popular therapies and prized tools, died on Sept. 30 at his home in Atlanta. He was 59.
The cause was pancreatic cancer, his wife, Candice Basterfield, said.
Dr. Lilienfeld’s career, most of it spent at Emory University in Atlanta, proceeded on two tracks: one that sought to deepen the understanding of so-called psychopathic behavior, the other to expose the many faces of pseudoscience in psychology.
Psychopathy is characterized by superficial charm, grandiosity, pathological lying and a lack of empathy. Descriptions of the syndrome were rooted in research in the criminal justice system, where psychopaths often end up. In the early 1990s, Dr. Lilienfeld worked to deepen and clarify the definition.
In a series of papers, he anchored a team of psychologists who identified three underlying personality features that psychopaths share, whether they commit illegal acts or not: fearless dominance, meanness and impulsivity. The psychopath does what he or she wants, without anxiety, regret or regard for the suffering of others.
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