Abstract
Parkinson disease (PD) is now conceptualized as a neuropsychiatric disorder with characteristic motor features.1 It is increasingly recognized that standard dopaminergic treatments, particularly dopamine agonist drugs, can trigger devastating impulse control behaviors (ICB) in patients with PD.1–3 ICB encompass impulse control disorders (ICD) and related disorders such as dopamine dysregulation syndrome (DDS), punding (stereotyped behaviors), and hobbyism. These disorders are linked by being reward- or incentive-based, and involve repetitive and compulsive acts despite potential long-term harmful consequences.4
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