Validity of the MoCA and MMSE in the detection of MCI and dementia in Parkinson disease S. Hoops, BA, S. Nazem, BA, A. D. Siderowf, MD, J. E. Duda, MD, S. X. Xie, PhD, M. B. Stern, MD and D. Weintraub, MD From the Departments of Psychiatry (S.H., S.N., D.W.), Neurology (A.D.S., J.E.D., M.B.S., D.W.), and Biostatistics and Epidemiology (S.X.X.), University of Pennsylvania; and Parkinsons Disease R