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A biological explanation for memory deficits in aging includes a postmortem examination of five brains of elderly people with better memory than average. These people are called the "super aged," and it was found that these individuals had fewer fiber-like tangles of tau protein than in typical elderly brains.
The brain is very complex, and is composed of many different areas and types of tissue, or matter. The different functions of different tissues in the brain may be more or less susceptible to age-induced changes. [6] The brain matter can be broadly classified as either grey matter, or white matter.
[266] [267] In the United States, the yearly cost of caring for a person with dementia ranges from $28,078-$56,022 per year for formal medical care and $36,667-$92,689 for informal care provided by a relative or friend (assuming market value replacement costs for the care provided by the informal caregiver) and $15,792-$71,813 in lost wages. [268]
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 ...
Delirium is a type of neurocognitive disorder that develops rapidly over a short period of time. Delirium may be described using many other terms, including: encephalopathy, altered mental status, altered level of consciousness, acute mental status change, and brain failure.
A new study suggests that talking at a certain speed could be a sign of early dementia. Experts explain to 'WH' how you can “retrain” your brain as you age.
Past studies report that not getting enough sleep each night can increase a person’s risk for several health concerns, including brain-related conditions, such as cognitive decline and dementia ...
Mild cognitive impairment (MCI) may be caused due to alteration in the brain triggered during early stages of Alzheimer's disease, to other causes, or to a combination of causes. [14] [15] Brain damage, brain injury, delirium and prolonged substance abuse can cause MCI. HIV-associated neurocognitive disorder can cause MCI. Risk factors of both ...