Impulsivity and Parkinson's Disease : a Neuropsychology With Magnetic Resonance Imaging Study

Inclusion criteria : Early onset PD patients and late onset PD patients with siblings available PD patients with or without impulse control disorders Current or past treatment with dopamine agonists or levodopa PD patients without dementia Age \< 80 ans Exclusion criteria : Early onset PD patients and late onset PD patients without siblings available PD patients with dementia Age \> 80 years