He is perhaps best known for his performance as the psychopathic Captain Rhodes in the 1985 film Day of the Dead.
A lot of expert witnesses were appointed in order to find the cause of Kot’s psychopathic behaviour.
Peck considers those he calls evil to be attempting to escape and hide from their own conscience (through self-deception), and views this as being quite distinct from the apparent absence of conscience evident in sociopathy.
The concept of psychopathy has been indirectly connected to the early 1800s with the work of Pinel (1801; "mania without delirium") and Pritchard (1835; "moral insanity"), although historians have largely discredited the idea of a direct equivalence.
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David T. Lykken, using Gray's biopsychological theory of personality, argued that primary psychopaths innately have little fear while secondary psychopaths innately have increased sensitivity to rewards.
He has written several psychiatry books: "Adolescent Psychiatry", "Psychopathy and Accentuations of Character at Teenagers", "Schizophrenia in Teenagers", and "Adolescent Narcology".
With respect to empirical research, psychopathy was not formally studied until the 1960s and 1970s with the pioneering efforts of Robert Hare, in his Psychopathy Checklist (PCL) and its revision (PCL-R).
British University of Pennsylvania psychology Professor Adrian Raine, in an article for The Economist noted the glorification of "ned" culture in the Scottish media, and suggested that Glasgow may have a higher concentration of psychopaths than other cities in Europe.
British psychologist Adrian Raine has criticised the show, arguing that it "encourages deceitfulness", and that many of its contestants are celebrated for displaying "characteristics of psychopathy".
In the historical work Batavia's Graveyard, which analyzes the incident in more detail than ever before based on research in Dutch archives (amongst other sources), author Mike Dash theorizes that Cornelisz was almost certainly a psychopath.
Kvetchbot: a Soviet-created, sociopathic robot who awakens from deactivation to find that his Russian Communist masters are no longer in power.
The term sociopathy would later gradually become popular in America, especially as expounded by psychologist George E. Partridge (1930) and adopted into early versions of the Diagnostic and Statistical Manual of Mental Disorders and is still referred to as an alternative term for antisocial personality disorder.
Originally designed by Yoshitaka Amano, he appears in Final Fantasy VI as a clown-like, nihilistic psychopath who acts as the game's main antagonist and as the God of Magic, physically transforming into a Lucifer-esque fallen angel.