Psychopathy

Psychopathy (/saɪˈkɒpəθi/) is a personality disorder characterized by a pervasive pattern of disregard for, or violation of, the rights of others. It is defined in different ways, but can involve a lack of empathy or remorse, false emotions, selfishness, grandiosity or deceptiveness; it can also involve impulsiveness, irritability, aggression, or inability to perceive danger and protect one's self.

However, there is no consensus about the symptom criteria for psychopathy, and no psychiatric or psychological organization has sanctioned a diagnosis of "psychopathy" itself.'

The current version of the Diagnostic and Statistical Manual of Mental Disorders includes a diagnosis of antisocial personality disorder (ASPD), and states that this is also known as psychopathy. Nevertheless, the DSM-V working party is recommending the addition of a subtype specifically termed 'psychopathic'. The ICD-10 diagnostic criteria of the World Health Organization has a Dissocial personality disorder, which it states includes the psychopathic personality. The term 'sociopathic' is also often treated as equivalent, having been introduced as an alternative term indicating social causation. However, most psychopathy measures are different from the criteria for ASPD in that ASPD focus on observable behavior while psychopathy measures also include more indirect personality judgments.

Psychologist Robert Hare has been a particular champion of the concept of psychopathy, based largely on a characterization introduced by Hervey Cleckley mid 20th century. The Hare Psychopathy Checklist is a standard ratings tool most often used in forensic settings to assess psychopathy. A study by Hare and colleagues suggested that one to two percent of the US population score high enough on a screening version of the scale to be considered potential psychopaths. The diagnosis of antisocial personality disorder covers two to three times as many prisoners as are rated as psychopaths on Hare's scale.

According to some, there is little evidence of a cure or effective treatment for psychopathy; no medications can instill empathy, and psychopaths who undergo traditional talk therapy might become more adept at manipulating others and more likely to commit crime. Others suggest that psychopaths may benefit as much as others from therapy. According to Hare, psychopathy stems from as yet unconfirmed genetic neurological predispositions and as yet unconfirmed social factors in upbringing. A review published in 2008 indicated multiple causes, and variation in causes between individuals.

Despite being unused as the main term in diagnostic manuals, the term 'psychopath' is still used by some mental health professionals and by the general public, popular press and in fictional portrayals. Despite the similarity of the names, psychopaths are rarely psychotic. Although psychopathy is associated with and in some cases defined by conduct problems, criminality or violence, most psychopaths are not violent.

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Efficient signal transmission at sensory system synapses

(Medical Xpress)—Neurophysiologist like to think of neurons as communicating with spikes. If that were the whole story, it might be possible to imagine spike codes which could then be used to estimate the ...

A shot in the arm for old antibiotics: Silver boosts antibiotics

Slipping bacteria some silver could give old antibiotics new life, scientists at the Wyss Institute for Biologically Inspired Engineering at Harvard University reported June 19 in Science Translational Me ...

Fate of the heart: Researchers track cellular events leading to cardiac regeneration

In a study published in the June 19 online edition of the journal Nature, a scientific team led by researchers from the University of California, San Diego School of Medicine visually monitored the dynami ...

Scientists create way to see structures that store memories in living brain

Oscar Wilde called memory "the diary that we all carry about with us." Now a team of scientists has developed a way to see where and how that diary is written.

Mindfulness can increase wellbeing and reduce stress in school children

Mindfulness – a mental training that develops sustained attention that can change the ways people think, act and feel – could reduce symptoms of stress and depression and promote wellbeing among school children, according ...

Validating maps of the brain's resting state

Kick back and shut your eyes. Now stop thinking. You have just put your brain into what neuroscientists call its resting state. What the brain is doing when an individual is not focused on the outside world ...

New MERS virus spreads easily, deadlier than SARS, researchers show

A mysterious new respiratory virus that originated in the Middle East spreads easily between people and appears more deadly than SARS, doctors reported Wednesday after investigating the biggest outbreak in ...

Researchers explain how neural stem cells create new and varied neurons

A new study examining the brains of fruit flies reveals a novel stem cell mechanism that may help explain how neurons form in humans. A paper on the study by researchers at the University of Oregon appeared ...

Restoring appropriate movement to immune cells may save seriously burned patients

Advances in emergency medicine and trauma surgery have had a significant impact on survival of patients in the days immediately after major injuries, including burns. Patients who survive the immediate aftermath of their ...

Brain can plan actions toward things the eye doesn't see

People can plan strategic movements to several different targets at the same time, even when they see far fewer targets than are actually present, according to a new study published in Psychological Science, a jour ...