What is the difference between Lewy body dementia and Alzheimer’s disease?

The clinical presentation of both is relatively similar, with cognitive impairment and visual hallucinations.
In terms of cognitive impairment, early Lewy body dementia is relatively well maintained compared to Alzheimer’s disease in terms of recall and recognition, and worse in terms of visuospatial function and executive function.
In terms of visual hallucinations, dementia with Lewy bodies is more severe. The specific ones can be differentiated based on clinical manifestations, neuropsychological scales and auxiliary examinations.
The disease progression of dementia with Lewy bodies is generally more rapid than that of Alzheimer’s disease.

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