title: Cognitive impairments in Parkinson's disease.
mesh_terms: D000368:Aged; D001921:Brain / Q000473:pathology; D003072:Cognition Disorders / Q000175:diagnosis* / Q000473:pathology; D003704:Dementia / Q000175:diagnosis; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D008297:Male; D009483:Neuropsychological Tests; D018377:Neurotransmitter Agents / Q000378:metabolism; D010300:Parkinson Disease / Q000175:diagnosis* / Q000473:pathology; D012106:Research; D014057:Tomography, X-Ray Computed
chemical_list: D018377:Neurotransmitter Agents