Dopamine Receptors in One Part of the Brain Appear to Become

Dopamine receptors in one part of the brain appear to become super-responsive to normal amounts of dopamine, triggering a flood of unrelated thoughts, feelings, and perceptions, which may account for the positive symptoms (voices, hallucinations, and delusions) of which disorder?

A) post-traumatic stress disorder
B) schizophrenia
C) conversion disorder
D) dissociative disorder