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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 ...
Hyperfixations — on specific activities, interests and, yes, meals — are a common experience among people with ADHD. They may also hyperfocus on a particular topic, Adler says.
‘Sundowning’ is a term that refers to behavior changes in people with dementia that occur at a particular time of day. ... “There are changes taking place in the brain,” Dr. Kobylarz ...
Preliminary research indicates that iron deposits due to hemorrhaging, following traumatic brain injury (TBI), may increase tau pathology. While TBI does not routinely lead to accelerated NFT formation, further work may determine if other blood components or factors unrelated to hemorrhages are involved in this TBI-induced augmentation of tau ...
Alzheimer's disease is believed to occur when abnormal amounts of amyloid beta (Aβ), accumulating extracellularly as amyloid plaques and tau proteins, or intracellularly as neurofibrillary tangles, form in the brain, affecting neuronal functioning and connectivity, resulting in a progressive loss of brain function.
Moderate and severe traumatic brain injuries increase a risk of cognitive decline or dementia even years later by anywhere from two to four times, according to the Alzheimer’s Association. For ...
This isn’t the first time that better sleep has been linked with a lower risk of dementia: A study published in October even found that people with sleep apnea are more likely to develop dementia.
Dementia with Lewy bodies (DLB) is a type of dementia, a group of diseases involving progressive neurodegeneration of the central nervous system. [11] It is one of the two Lewy body dementias, along with Parkinson's disease dementia. [12] Dementia with Lewy bodies can be classified in other ways.
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