Society as a whole determines what behaviours are considered sane and insane. Attitudes and behaviours that conflict with the majority’s school of thought are often described as insane and obscure. Sanity is dependent on a number of factors, for example, actions that are regarded as normal or are accepted within a community may affect whether individuals see themselves as normal or insane. For example, in a highly religious community it may be considered insane or even abnormal if someone is homosexual because it goes against beliefs that have been deeply integrated in the general population. Moreover, sanity is also associated with the ability to recognize whether an individual suffers from a mental illness or is psychological healthy. In the film One Flew Over the Cuckoo’s Nest, the inmates were unable to evaluate themselves for mental illnesses and thus were classified by the rest of society as mentally unstable. In addition, factors that help people maintain their sanity include their surroundings, friends, family and social institutions.
In the film, One Flew Over the Cuckoo’s Nest, a number of individuals have been administered into a mental institution, although no clear evidence exists that they suffer from psychological illnesses. Many of the inmates, for example Billy, Dale, and the Chief have voluntarily committed to the hospital because they feel that they are in need of mental rehabilitation. Their actions and behaviour however suggests that they are psychological stable, but are unable to meet society’s expectations and cope under the circumstances outlined by society. The hospital to which they are administered is a mirror image of the society most of the inmates are haunted by, as the inmates are constantly pressured into acting a certain way and conforming to nurse Ratched’s expectations and rules. Moreover, the audience is able to see the power struggle that exists between nurse Ratched and McMurphy, as