... that certain types of mental illness could be understood as attempts to solve problems of the soul, and that some patients can find a cure in the power of religion?
At least according to Anton Theophilus Boisen, who lived from 1876 to 1965. His ideas served as the foundation of modern clinical pastoral education. Considering much current education and practice, one might enquire whether the edifice of counsel is off its Rock.
Boisen may have been quite right, but I prefer to defer to the power of God in the person of Jesus of Nazareth. I know ... that all things ... including incoherent speech, waking nightmares, seven months in a psychiatric hospital and eighteen months in rehab ... all things, work for good to those who Love God, to those who are called according to His purpose, mysterious though it may be!