Congratulations to Drs. Robert Eisinger, Michael Okun and Aysegul Gunduz on the publication of “Motivational disturbances and cognitive effort-based decision-making in Parkinson’s disease,” which appears in the May issue of Parkinsonism and Related Disorders. Abstract Background Motivational disturbances, such as apathy and impulse control disorders (ICDs), frequently co-occur in patients with Parkinson’s disease (PD). The…