⁃ For the patient:

• Patient with a diagnosis of idiopathic Parkinson's disease

• Patient over 18 years ;

• Patient with a Hoehn and Yahr Stage greater than or equal to 3;

• Patient without major cognitive impairment defined by a MOCA score ≥21

• Patient living at home ;

• Patient with an identified non-professional primary caregiver;

• Person affiliated with or benefiting from a social security plan;

• Free, informed and and express consent (confirmed in writing) (no later than the day of inclusion and before any examination required by the research).

⁃ For the caregiver:

• Male or female over 18 years

• Able to respond to research interviews/questionnaires

• Free, informed and express consent (confirmed in writing) (no later than the day of inclusion and before any examination required by the research).