https://www.selleckchem.com/pr....oducts/lenalidomide-
The Purdue Pegboard test (PPT) assesses upper-extremity dexterity and motor skills. We hypothesized that PPT skill would predict functional and cognitive decline in Parkinson's disease (PD), independent of observer-rated measures of motor impairment. We utilized data from 399 PD participants enrolled in the deprenyl and tocopherol antioxidative therapy of Parkinsonism trial. Unified Parkinson Disease Rating Scale (UPDRS) metrics, neuropsychological assessments, and clinical rating scales were extracted for analysis with multi