title: Parkinson revisited: pathophysiology of motor signs.
authors.affiliation: Human Motor Control Section, National Institute of Neurological Disease Center, National Institutes of Health, Bethesda, Maryland, USA.
authors.forename: Mark
authors.initials: M
authors.lastname: Hallett
mesh_terms: D001921:Brain / Q000473:pathology / Q000503:physiopathology*; D006801:Humans; D018476:Hypokinesia / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D009127:Muscle Rigidity / Q000209:etiology / Q000473:pathology / Q000503:physiopathology; D009433:Neural Inhibition / Q000502:physiology; D009434:Neural Pathways / Q000473:pathology / Q000503:physiopathology*; D010300:Parkinson Disease / Q000473:pathology / Q000503:physiopathology*; D011930:Reaction Time / Q000502:physiology; D014202:Tremor / Q000209:etiology / Q000473:pathology / Q000503:physiopathology