Stanley, a man in his thirties in the 1950s, suffered from schizophrenia. what treatment was he most likely to have received?

In the 1950s, Stanley is most likely to have received a treatment of a newly introduced antipsychotic drug called chlorpromazine. This drug was found to have a relaxing and sedative effect on patients. Chlorpromazine is said to minimize the symptoms of schizophrenia by blocking dopamine receptors in the brain. 

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