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Losing working memory has been cited as being the primary reason for a decline in a variety of cognitive tasks due to aging. These tasks include long-term memory, problem solving, decision making, and language. [31] Working memory involves the manipulation of information that is being obtained, and then using this information to complete a task.
This is an accepted version of this page This is the latest accepted revision, reviewed on 11 February 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...
Memory loss can cause dangerous environments and behaviors for aging adults, experts warn. "The last thing anybody wants to lose is their independence," she said. "The last thing anybody wants is ...
A 46% decrease in spine number and spine density has been reported in humans older than 50 compared with younger individuals. [12] An electron microscopy study in monkeys reported a 50% loss in spines on the apical dendritic tufts of pyramidal cells in prefrontal cortex of old animals (27–32 years old) compared with young ones (6–9 years old).
As we get older, we get wiser, but, health-wise, we also get more complex. Over the years, life accentuates our differences. Look at 100 20-year-olds and most are similar in health. But 100 70 ...
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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]
Or what everyday life was like for people living 50, 100, or more years ago. There’s an online community dedicated to sharing photos, scanned documents, articles, and personal anecdotes from the ...