Question: All of the following statements explaining the historical causes and treatment of psychological disorders are true EXCEPT: (Which statement is not correct). Question options: Ancient treatments for mental illness included a surgical procedure known as trepanation. Pinel's asylum work and the medical model were the foundations to psychiatry. Modern psychologists believe that explanations and perspectives for psychological disorders should focus on the biological basis (nature) of mental illness. During the middle ages, mental illness was treated by exorcism, torture, imprisonment or execution.