Study of the Test-retest Reliability of the Neuropsychiatric Fluctuations Scale in Parkinson's Disease

Inclusion Criteria: Age \> 30 and ≤ 75 years * Idiopathic Parkinson's disease (according to the criteria of the Movement Disorders Society) * Presence of motor fluctuations described by the patient, their relatives, or identified by the clinician * Stability of antiparkinsonian treatment for at least one month * Mastery of the French language * Able to give consent. * Affiliated to the social security system Exclusion Criteria: Parkinsonian syndrome other than idiopathic Parkinson's disease * Dementia (MoCa \< 23) * No antiparkinsonian treatment or treatment modified for less than one month * Persons referred to in Articles L1121-5 to L1121-8 of the CSP (corresponds to all protected persons: pregnant women, parturients, breastfeeding mothers, persons deprived of liberty by judicial or administrative decision, persons receiving psychiatric care under Articles L. 3212-1 and L. 3213-1 who are not covered by the provisions of Article L. 1121-8, persons admitted to a health or social establishment for purposes other than research, minors, persons subject to a legal protection measure or unable to express their consent)) * Subject in a period of exclusion from another interventional study.