The symptoms of hallucinations and paranoia that accompany schizophrenia are thought to be due to altered neurotransmitter activity in the brain, which results in excessive ________ receptor activation.

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The positive symptoms of schizophrenia are thought to result from excessive dopamine D₂ receptor activity in the brain.Depression is thought to be related to decreases in serotonin.Hallucinations and paranoia that accompany schizophrenia are not the result on excessive a-adrenergic receptor activation.Excessive acetylcholine receptor activation is not the cause of hallucinations or paranoia.

The Symptoms of Hallucinations and Paranoia That Accompany Schizophrenia Are