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:
... Brazil became a dictatorship in 1937 under Getulio Vargas, returned to popular elections in 1945, but following a military coup d'état in 1964 saw a succession of ...