Lack of physiologic understanding of the basis of surgical treatment of parkinsonism.
D000818:Animals; D001921:Brain / Q000503:physiopathology; D000882:Haplorhini; D006801:Humans; D009046:Motor Neurons / Q000503:physiopathology; D010300:Parkinson Disease / Q000503:physiopathology* / Q000601:surgery*; D013116:Spinal Cord / Q000503:physiopathology; D013788:Thalamus / Q000503:physiopathology; D014202:Tremor / Q000503:physiopathology