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Abstract
Compulsive behaviors are relatively frequent complications
of Parkinson’s disease (PD).1 Risk factors for compulsive
behaviors in PD include novelty-seeking personality
traits, depressive symptoms, young age, and cumulative dose
of dopaminergic drugs, in particular dopamine agonists
(DA). Although the pathophysiology of DA-mediated
compulsive behaviors in PD is not completely defined at
present, altered and pulsatile mesolimbic dopaminergic stimulation
may play a fundamental rol
