Levodopa therapy of Parkinson’s disease(PD) was considered to have effects on dopamine and norepinephrine levels therefore tending to alter the cardiovascular circulation. To find how cerebral perfusion changes in the levodopa process among PD patients, both perfusion capacity and spatial patterns computations were performed in this study. The initial conclusion is no obvious evidence supporting that cerebral perfusion alternation was effected in levodopa process. Further investigations were required to validate this point of view.
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