Skip to main content
. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Neuropsychology. 2011 Dec 5;26(1):71–80. doi: 10.1037/a0025119

Figure 1.

Figure 1

Change trajectories for motor symptoms, apathy, and depression. Dashed lines correspond to mean raw scores at each time-point. Solid lines represent trajectories estimated by the unconditional multivariate model. UPDRS=Unified Parkinson's Disease Rating Scale.