Who's psychopathic now? A recent report has few new solutions and calls for more research

The historical development of the concept of psychopathy reflects repeated attempts to define and explain an “elusive category” of person,1 who does not suffer from mental illness yet differs fundamentally from other people because of an innate inability to exhibit normal social adjustment, a tendency to exhibit disorders of conduct and self control, and defects in personality development. Such people have consistently been regarded as constituting a-specific and more or less identifiable group who justify definition, understanding, and treatment. The underlying aetiology has moved from Pinel's “manie sans delire” by way of moral insanity and born …