Which of the following statements would not be accurate regarding the dopamine hypothesis?
1. Typical antipsychotic medications cause fewer extrapyramidal side effects than traditional antipsychotic medications.
2. Atypical antipsychotic medications block serotonin and dopamine.
3. Numerous types of dopamine receptors have been found to exist in varied regions of the brain.
4. Positive symptoms of schizophrenia respond more readily to traditional antipsychotic medications than the newer atypical medications.
4
Rationale: Negative symptoms of schizophrenia, rather than positive symptoms, respond more readily to traditional antipsychotic medications than the newer atypical medications. It is true that typical antipsychotic medications block serotonin and dopamine, numerous types of dopamine receptors have been found to exist in varied regions of the brain, and atypical antipsychotic medications cause fewer extrapyramidal side effects than traditional antipsychotic medications.
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