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Medical condition Dementia with Lewy bodies Other names Diffuse Lewy body disease, dementia due to Lewy body disease Microscopic image of a Lewy body (arrowhead) in a neuron of the substantia nigra ; scale bar=20 microns (0.02 mm) Specialty Neurology, psychiatry Symptoms Dementia, abnormal behavior during REM sleep, fluctuations in alertness, visual hallucinations, parkinsonism Usual onset ...
Dementia may occur when neurodegenerative and cerebrovascular pathologies are mixed, as in susceptible elderly people (75 years and older). [2] [5] Cognitive decline can be traced back to occurrence of successive strokes. [4] ICD-11 lists vascular dementia as dementia due to cerebrovascular disease. [1]
2.4 million (2016) [ 9] Dementia is a syndrome associated with many neurodegenerative diseases, characterized by a general decline in cognitive abilities that affects a person's ability to perform everyday activities. This typically involves problems with memory, thinking, behavior, and motor control. [ 10]
Binswanger's disease, also known as subcortical leukoencephalopathy and subcortical arteriosclerotic encephalopathy, [1] is a form of small-vessel vascular dementia caused by damage to the white brain matter. [2] White matter atrophy can be caused by many circumstances including chronic hypertension as well as old age. [3]
Pseudodementia (otherwise known as depression-related cognitive dysfunction or depressive cognitive disorder) is a condition that leads to cognitive and functional impairment imitating dementia that is secondary to psychiatric disorders, especially depression. Pseudodementia can develop in a wide range of neuropsychiatric disease such as ...
Mild cognitive impairment ( MCI) is a neurocognitive disorder which involves cognitive impairments beyond those expected based on an individual's age and education but which are not significant enough to interfere with instrumental activities of daily living. [1] MCI may occur as a transitional stage between normal aging and dementia ...
Early-onset Alzheimer's disease ( EOAD ), also called younger-onset Alzheimer's disease ( YOAD ), [1] is Alzheimer's disease diagnosed before the age of 65. [2] It is an uncommon form of Alzheimer's, accounting for only 5–10% of all Alzheimer's cases. About 60% have a positive family history of Alzheimer's and 13% of them are inherited in an ...
The signs, symptoms and cognitive profile of PDD are similar to those of DLB; [2] DLB and PDD are clinically similar after dementia occurs in Parkinson's disease. [5] Parkinson's disease is a risk factor for PDD; it speeds up decline in cognition leading to PDD. [2] Up to 78% of people with PD have dementia. [2]