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Cover of Hare's Psychopathy Checklist-Revised (2nd ed., 2003). The Psychopathy Checklist or Hare Psychopathy Checklist-Revised, now the Psychopathy Checklist—revised (PCL-R), is a psychological assessment tool that is commonly used to assess the presence and extent of psychopathy in individuals—most often those institutionalized in the criminal justice system—and to differentiate those ...
Illustration of the triad. The dark triad is a psychological theory of personality, first published by Delroy L. Paulhus and Kevin M. Williams in 2002, [1] that describes three notably offensive, but non-pathological personality types: Machiavellianism, sub-clinical narcissism, and sub-clinical psychopathy.
Macdonald triad. The Macdonald triad (also known as the triad of sociopathy or the homicidal triad) is a set of three factors, the presence of any two of which are considered to be predictive of, or associated with, violent tendencies, particularly with relation to serial offenses.
Psychopathy is a personality disorder of affective, interpersonal, and behavioral dimensions that begins in childhood and manifests as aggressive actions in early or late adolescence. Childhood trauma affects vulnerability to different forms of psychopathology and traits associated with it.
A 2016 study found that about two-thirds of people (65%) with personality disorders and co-occurring conditions had made multiple suicide attempts, as compared to about one-quarter (24%) of those ...
The increasing media focus of serial killers in the late 20th century, fueled by cases such as John Wayne Gacy (1978), Ted Bundy (1978) and Jeffrey Dahmer (1991), lent an additional momentum to the way psychopathy was both perceived and portrayed in film and literature, sometimes incorporating a hybrid of traditional psychopaths from early film ...
The recurring characteristic serial killers share, Morrison contends, is the emotional age of an infant. Serial killers lack a coherent personality and are missing large parts of their humanity. They are generally charismatic and able to fit in by learning to behave as normal people do, while lacking the empathy most normal people possess.
The borderline pattern specifier is defined as a personality disturbance marked by instability in interpersonal relationships, self-image, and emotions, as well as impulsivity. [112] Diagnosis require meeting five or more out of nine specific criteria: Frantic efforts to avoid real or imagined abandonment.