Mental health treatment was seen as a medical treatment before the second world war, explaining why psychologists were not allowed to treat patients without supervision. After the second world war, there was an increased need for psychological help (e.g. shellshock patients) which led to a more psychological approach to mental disorders.After the second world war, there was the rise of antipsychiatry (1), treatments requiring scientific evidence (2) and medication being used for mental disorders (3). People tend to believe that mental disorders are rooted in the brain as a result of psychiatry’s origin in medicine. This view was strengthened by the discovery that certain drugs can alleviate the symptoms of mental disorders. Charcot and Freud started to see psychiatric symptoms as expressions of diseases, positing psychological factors as the causes of symptomatology. Neurosis refers to unconscious conflicts which express themselves in symptomology. Rogers introduced humanistic psychology based on the acceptance of patients. In humanistic psychology, a good therapist has unconditional positive regard (1), empathetic understanding (2) and congruence. Congruence refers to the therapist being genuine in his support and understanding. Cognitive behavioural therapy is based on a psychological approach to mental disorders. The medical and psychological view of mental disorders naturalizes mental disorders as they both view mental disorders as a part of nature which can be systematically studied and understood. This got rid of supernatural explanations for mental disorders.Extreme naturalization refers to the idea that mental disorders deviate from the norm and that the norm itself might be flawed rather than the patients. Antipsychiatry states that mental disorders do not exist and only norms for normal exist. However, increasing prevalence of mental disorders might indicate a change in society rather than a change in people. The psychological...