Multiple choice

Overproduction of which of the following neurotransmitters has been associated with the mental disorder Schizophrenia?

  1. Acetylcholine

  2. Gamma-aminobutyric acid (GABA)

  3. Dopamine

  4. Serotonin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The dopamine hypothesis of schizophrenia proposes that overactivity of dopamine transmission in certain brain regions is associated with schizophrenia symptoms. This is supported by the fact that antipsychotic drugs (which reduce dopamine activity) effectively treat schizophrenia, while drugs that increase dopamine can induce psychotic symptoms.

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