Opamine and its role in parkinsons diease

The optional paper must summarize a recent review article discussing a neurotransmitter and its role in cognition or psychiatric or neurological disease. These papers must be original, 7 8 pages of text, double-spaced, and the bibliography must refer exclusively to the approved review article and articles cited in that review (4-6 refrences in bibliography from papers named in the review article that they dicuss).
REVIEW PAPER NOT RESEARCH ARTICLE. Summarize review article in intro paragraph and give opinion and critique in final paragraph