Mood Differences Among Parkinson’s Disease Patients With Mild Cognitive Impairment

Mr. Mangal was supported by NIH grant T32-AG020499. Mr. Lafo was supported by NIH grant T32-NS082168. Dr. Okun was supported by NIH grants R01-NR14852 and R01-NS075012 and the Michael J. Fox Foundation. Dr. Bowers was supported by NIH grants R21-NS079767 and R03-MH109336 and SanteFe AvMed.Dr. Okun serves as a consultant for the National Parkinson Foundation. In addition, he has received research grants from NIH, the National Parkinson Foundation, the Parkinson Alliance, the Smallwood Foundation, the Bachmann-Strauss Foundation, the Tourette Syndrome Association, and the University of Florida Foundation. He has previously received honoraria but in the past 60 months has received no support from industry and has received royalties for publications with Demos, Manson, Amazon, Smashwords, Books$Patients, and Cambridge (books on movement disorders). Dr. Okun is an associate editor for NEJM Journal Watch–Neurology and has participated in continuing medical education and educational activities on movement disorders in the last 36 months sponsored by PeerView, Prime, Quantia, Henry Stewart, and Vanderbilt University. The institution, and not Dr. Okun, receives grants from Medtronic, AbbVie, and ANS/St. Jude, and the principal investigator has no financial interest in these grants. Dr. Okun has participated as a site principal investigator and/or co-investigator for several NIH-, foundation-, and industry-sponsored trials over the years but has not received honoraria. Dr. Bowers has received research support from NIH, the Michael J. Fox Foundation, the National Parkinson Foundation, and the McKnight Brain Research Foundation. All other authors report no financial relationships with commercial interests.