Diagnosis and Causation
No specific test exists to diagnose Parkinson’s and it may take time to reach a diagnosis. It will generally be confirmed based on your medical history, a review of your signs and symptoms, and a neurological and physical examination.
Doctors may recommend regular follow-up appointments with neurologists trained in movement disorders to evaluate your condition and symptoms over time and diagnose Parkinson’s.

Concept of brain recording in subthalamic nucleus for Parkinson surgery.