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Dementia in the Lewy Body Disease Spectrum Yoshiyuki Nishio 1 1Department of Behavioral Neurology and Neuropsychiatry, The University of Osaka Keyword: アセチルコリン , アルツハイマー病理 , 軽度認知障害 , パーキンソン病認知症 , レビー小体型認知症 , acetylcholine , Alzheimer pathology , dementia with Lewy bodies , mild cognitive impairment , Parkinson's disease dementia pp.5-12
Published Date 2026/1/1
DOI https://doi.org/10.11477/mf.188160960780010005
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Abstract

The timing of dementia onset in patients with Parkinson's disease varies significantly. Predictors of the early development of dementia include postural instability, gait disturbance, REM sleep behavior disorder, and visuo-spatial impairment. The main neuropathological basis of dementia in Parkinson's disease involves the co-occurrence of α-synuclein pathology in the cerebral cortex and Alzheimer's disease co-pathology. Cholinergic system degeneration significantly affects symptom expression, making cholinesterase inhibitors effective for alleviating visual hallucinations and cognitive deficits.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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