Cleckley’s work moved psychopathy away from being viewed simply as a form of criminality or "moral insanity," framing it instead as a . He believed that while these individuals understood the words of social and moral codes, they failed to grasp their meaning .
Cleckley’s most enduring contribution is the concept of the . He observed that unlike those with traditional psychoses, individuals with psychopathic traits often exhibit: The Mask of Sanity: An Attempt to Clarify Some ...
: They maintain a clear grip on rational reality and do not suffer from irrational thinking or hallucinations. Cleckley’s work moved psychopathy away from being viewed
: Pathological lying and a failure to learn from experience, leading to repetitive, often self-destructive behaviors. He observed that unlike those with traditional psychoses,
Through extensive case studies, Cleckley identified 16 key clinical characteristics. He argued that while the "mask" remains intact, the underlying personality is defined by:
In his seminal 1941 work, , American psychiatrist Hervey M. Cleckley fundamentally reshaped the medical understanding of psychopathy. His central thesis posits that the "psychopath" possesses a "mask" of intelligence, charm, and social competence that conceals a profound internal deficit in emotional capacity and moral conscience. The Illusion of Normalcy
: They generally appear free from the anxiety, depression, or standard phobias that characterize other mental health struggles. Core Psychopathic Traits