A 19-year-old freshman in college has been brought to your office by campus security. The patient had been standing on top of the school chapel proclaiming that he was the prophet of God and that God was speaking to him. In fact he claimed to actually hear God's voice. When he is in your office you notice that he is speaking very fast, can't seem to sit still and his sentences at times don't seem to make sense. He states, "I saw the professor sit on the ham sandwich and eat the raw calculus in his mind"
What is your differential diagnosis, how does it fit how might it not fit?
Based on the top of your differential what is the epidemiology of that disorder?