At the beginning of the film, John Nash was shown attending Princeton University. He meets some new friends. However, he did not like people very much. He preferred to concentrate on his studies. In the beginning of the film, his only close friend is his roommate Charles Herman. Herman was seen as a supportive friend to Nash and always follows Nash wherever he go. After he finished Princeton, he began working at Massachusetts Institute of Technology (MIT) as an analyst and a lecturer.
One day he decided to visit Princeton, there he met Herman’s niece named Marcee. Nash became close to Marcee, who is friendly and kind. Later, he got married and started working for a secret agent named William Parcher. His job was to break Russian secret codes. While working with Parcher, he started to become delusional. He felt that Russian agents are trying to kill him because he is the only one that can break the codes.
His delusion got worse. Therefore, Nash wife decided to call the psychiatry. It was then revealed that the delusion was part of the schizophrenia symptom and that his work, Charles Herman, Marcee and William Parcher are not real and it part of his
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For example, I would ask John Nash what is his family history, if he never experienced symptoms of schizophrenia growing up and how he was doing mentally growing up. According to the DSM 5, schizophrenia, other psychotic disorders, and schizotypal (personality) disorder are defined by abnormalities in one or more of the following five domains: “delusions, hallucinations, disorganized thinking (speech), grossly disorganized or abnormal motor behavior (including catatonia), and negative symptoms” (DSM-5, 2013). Disorganized thinking (speech), grossly disorganized or abnormal motor behavior (including catatonia), and negative symptoms can be ruled out because in the movie Nash shows signs of only delusions and