Which of the Following Statements Is False Concerning the Neurotransmitter

Which of the following statements is false concerning the neurotransmitter dopamine and schizophrenia?

A) Several lines of evidence have supported the original dopamine theory that symptoms of schizophrenia are caused by excess levels of dopamine in the frontal lobe and limbic system
B) Neuroleptics increase the functional level of dopamine and help to reduce psychotic symptoms in schizophrenia
C) The new dopamine theory suggests that the traditional theory is too simple and that other neurotransmitters are also involved in the disorder
D) Critics of the original dopamine theory argue that the theory does not adequately explain the positive and negative symptoms of schizophrenia