Recently, the dopamine hypothesis for schizophrenia has been challenged because it has been discovered that:
A) effective new drugs suggest abnormal neurotransmitter activity of serotonin, glutamate, and GABA, as well as dopamine.
B) excessive dopamine activity contributes to only some kinds of schizophrenia.
C) atypical antipsychotic drugs work exclusively on dopamine receptors.
D) those with catatonic schizophrenia respond better to atypical than to traditional antipsychotic drugs.

Question

Quizplus · Accepted Answer

The dopamine hypothesis for schizophrenia has been challenged due to the discovery that effective new drugs target not only dopamine but also other neurotransmitters such as serotonin, glutamate, and GABA, suggesting a more complex neurochemical basis for the disorder.

Recently, the Dopamine Hypothesis for Schizophrenia Has Been Challenged Because