Mayo Seminars in Psychiatry: dopamine and schizophrenia--a review.

Considerable evidence exists linking dopamine with schizophrenia. Other neurotransmitters including acetylcholine, serotonin and gamma-aminobutyric acid (GABA) are also being implicated. Neurotransmitters act via receptors on brain cells and evidence suggests that antipsychotic drugs exert their therapeutic actions and produce side effects by receptor blockade.