Schizophrenia is a severe mental disorder characterized by some, but not necessarily all, of the following features: emotional blunting, intellectual deterioration, social isolation, disorganized speech and behavior, delusions, and hallucinations.

Post-traumatic stress disorder (PTSD) is an anxiety disorder that is brought about by memories of an extremely stressful event or series of events that cause intense fear, particularly if feelings of helplessness accompanied the fear.

I hope this helps.