Adaptive DBS to Offset STN Dysregulation During Exercise in PD

This study tests whether adaptive deep brain stimulation (DBS) — a form of brain pacemaker that automatically adjusts based on your brain signals — can help people with Parkinson's disease maintain better movement control during exercise. **You may be eligible if...** - You have been diagnosed with Parkinson's disease - You already have a specific Medtronic DBS system implanted (Sensight lead + Percept IPG device) - You are able to participate in the study exercises - You are able to understand and consent to the study **You may NOT be eligible if...** - You do not have the required Medtronic implant - You do not meet the study's age requirements - You are not able to complete the exercise component of the study - You cannot understand or give consent to participate Talk to your doctor to see if this trial is right for you.