Schizophrenia has been linked to abnormally elevated levels of which of the following neurotransmitters?

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Schizophrenia has been associated with abnormally elevated levels of dopamine in the brain. This is based on the observation that antipsychotic medications, which reduce dopaminergic activity, are effective in treating symptoms of schizophrenia. While serotonin and norepinephrine have been implicated in other mental health disorders such as depression and anxiety, they are not specifically linked to schizophrenia. GABA is an inhibitory neurotransmitter, which has been suggested to play a role in schizophrenia, but data on its role is still limited.

Schizophrenia Has Been Linked to Abnormally Elevated Levels of Which