%0 Journal Article %T Emotional Processing Impairments in Apathetic Patients with Parkinson's Disease: An ERP Study in Early Time Windows %A Hua Luo %A Jianghai Ruan %A Wei Wei %A Xiaodong Duan %J Archive of "Parkinson's Disease". %D 2019 %R 10.1155/2019/1309245 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6501166/