Personality disorder

Personality disorders are a form of mental disorder. They are characterised by a long-term pattern of serious behavioural differences that significantly affect the functioning of the individual in personal and social situations.

Some types of personality disorder that have been defined are:

• Antisocial personality disorder
• Borderline personality disorder
• Histrionic personality disorder
• Narcissistic personality disorder

• Avoidant personality disorder[?]
• Dependant personality disorder[?]
• Obsessive-compulsive personality disorder[?] (not the same as Obsessive-compulsive disorder)

• Paranoid personality disorder[?]
• Schizoid personality disorder
• Schizotypal personality disorder[?]