MRI Compatible and Long-term LFP Recordable Deep Brain Stimulation on PD Patients

Inclusion Criteria: 1. Age ≥18，≤75，idiopathic Parkinson's disease，both male and female 2. MMSE score ≥24 3. H-Y score ≥2.0 on the medicine off situation 4. UPDRS-III score≥30 on the medicine off situation 5. The duration of this disease ≥5 years 6. Ability to provide informed consent as determined by preoperative neuropsychological assessment 7. History of appropriate response to dopaminergic medication, with at least a 30% improvement in motor UPDRS with L-DOPA by history or in-clinic testing, for the PD patients 8. Excellent responsiveness to levodopa 9. ≥6h in medicine off state Exclusion Criteria: 1. Lack of ability to provide informed consent as determined by preoperative neuropsychological assessment 2. Otherwise not eligible for DBS surgery, for example known inability to undergo anesthesia 3. Hydrocephalus，brain atrophy，cerebral infarction ，cerebralvascular diseases 4. Patients who are unable to follow verbal instructions 5. Other severe pathological chronic condition that might confound treatment effects or interpretation of the data