title: Reply: The 'cognitions' index of the Parkinson's disease questionnaire-39 relates to sleep disturbances and hallucinations.
authors.affiliation: Department of Clinical and Health Psychology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Center for Movement Disorders and Neurorestoration, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
authors.forename: Jacob D
authors.initials: JD
authors.lastname: Jones
authors.affiliation: Department of Applied Physiology and Kinesiology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Center for Movement Disorders and Neurorestoration, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
authors.forename: Chris
authors.initials: C
authors.lastname: Hass
authors.affiliation: Department of Neurology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Center for Movement Disorders and Neurorestoration, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.
authors.forename: Michael S
authors.initials: MS
authors.lastname: Okun
authors.affiliation: Department of Clinical and Health Psychology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Department of Neurology, McKnight Brain Institute, University of Florida, Gainesville, FL, USA; Center for Movement Disorders and Neurorestoration, McKnight Brain Institute, University of Florida, Gainesville, FL, USA. Electronic address: dawnbowers@phhp.ufl.edu.
authors.forename: Dawn
authors.initials: D
authors.lastname: Bowers
mesh_terms: D001007:Anxiety / Q000503:physiopathology*; D003071:Cognition / Q000502:physiology*; D003863:Depression / Q000503:physiopathology*; D004644:Emotions / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000503:physiopathology*
keywords: Parkinson's disease; cognition; depression