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  2. Shifts in brain activity may signal Alzheimer's long before ...

    www.aol.com/shifts-brain-activity-may-signal...

    Subtle changes in brain activity in the presence of both amyloid-beta and tau proteins may point to Alzheimer's disease, long before symptoms appear, a new study indicates.

  3. "LATE is defined by changes in the TDP-43 protein in brain tissue and frequently co-exists with Alzheimer’s disease changes, such as buildup of beta amyloid plaques and tau tangles," she told ...

  4. Amyloid plaques typically appear first, with tau tangles arriving later as the disease progresses. ... and amyloid buildup in the brains of 32 men and women in their 40s and 50s. At this point in ...

  5. Amyloid plaques - Wikipedia

    en.wikipedia.org/wiki/Amyloid_plaques

    Some plaques occur in the brain as a result of aging, but large numbers of plaques and neurofibrillary tangles are characteristic features of Alzheimer's disease. [5] The plaques are highly variable in shape and size; in tissue sections immunostained for Aβ, they comprise a log-normal size distribution curve, with an average plaque area of 400 ...

  6. Alzheimer's disease - Wikipedia

    en.wikipedia.org/wiki/Alzheimer's_disease

    Alzheimer's disease (AD) is a neurodegenerative disease that usually starts slowly and progressively worsens. [2] It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1]

  7. Vascular dementia - Wikipedia

    en.wikipedia.org/wiki/Vascular_dementia

    Vascular dementia can sometimes be triggered by cerebral amyloid angiopathy, which involves accumulation of amyloid beta plaques in the walls of the cerebral arteries, leading to breakdown and rupture of the vessels. [2] [5] Since amyloid plaques are a characteristic feature of Alzheimer's disease, vascular dementia may occur as a consequence ...

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