Researchers found that phenothiazines reduced psychotic symptoms but also caused Parkinsonian symptoms, like tremors. This discovery suggests that:
A) schizophrenia masks Parkinson's disease.
B) schizophrenia is tied to excessive dopamine.
C) excessive dopamine is tied to Parkinson's disease.
D) schizophrenia causes the synthesis of excessive amounts of dopamine.
Ans: B) schizophrenia is tied to excessive dopamine.
Psychology
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