"Feigned madness" is a phrase used in popular culture to describe the assumption of a mental disorder for the purposes of evasion, deceit or the diversion of suspicion. In some cases, feigned madness may be a strategy—in the case of court jesters, an institutionalised one—by which a person acquires a privilege to violate taboos on speaking unpleasant, socially unacceptable, or dangerous truths.
The Rosenhan experiment in the 1970s also provides a comparison of life inside several mental hospitals.
The Swedish artist Anna Odell created the projectOkänd, kvinna 2009-349701 to examine power structures in healthcare, the society's view of mental illness and the victimhood imposed on the patient.
Historical examples
Lucius Junius Brutus, who feigned stupidity, causing the Tarquins to underestimate him as a threat until the time when he was able to drive the Roman people to insurrection.
Alhazen, who was ordered by the sixth Fatimid Caliph, al-Hakim, to regulate the flooding of the Nile; he later perceived the insanity and futility of what he was attempting to do and, fearing for his life, feigned madness to avoid the Caliph's wrath. The Caliph, believing him to be insane, placed him under house arrest rather than execute him for failure. Alhazen remained there until the Caliph's death, thereby escaping punishment for his failure to accomplish a task that had been impossible from the beginning.
Kamo, a Bolshevik revolutionary, successfully feigned madness when in a German prison in 1909, and then in a Russian prison in 1910.*
Odysseus feigned madness by yoking a horse and an ox to his plow and sowing salt or plowing the beach. Palamedes believed that he was faking and tested it by placing his son, Telemachus right in front of the plow. When Odysseus stopped immediately, his sanity was proven.
One Flew Over the Cuckoo's Nest, Randle McMurphy feigns insanity in order to serve out his criminal sentence in a mental hospital rather than a prison.
In Goodbyeee, the last episode of BBC sitcom Blackadder, Blackadder feigns madness to try to avoid being sent into battle.
The protagonist of the film Shock Corridor is a journalist who fakes insanity in order to gain access to an institution.
Another notable example is Primal Fear adapted from the William Diehlnovel of the same name. In the film, Martin Vail defends a timid, young altar boy named Aaron Stampler accused of murdering an Archbishop. Halfway through, Vail discovers Stampler has dissociative identity disorder, with one sociopathic personality called "Roy," who was responsible for killing the Archbishop. However, after Stampler is released due to plea of insanity, Vail discovers Stampler faked the disorder in order to avoid execution. The film was Edward Norton's debut, which earned him an Oscar nomination for Best Supporting Actor.
Jose Manalo and Wally Bayola's roles in Scaregivers feigned madness by eating peanut butter disguised as stool samples, which landed them in a mental facility.
In Colditz, a British television series about prisoners-of-war in WWII Germany, Wing Commander George Marsh feigns madness as a way of escaping. He successfully convinces his captors that he is insane and is duly repatriated. But there is a twist: after his return to Britain, Marsh becomes genuinely insane.