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Normal aging is associated with a decline in various memory abilities in many cognitive tasks; the phenomenon is known as age-related memory impairment (AMI) or age-associated memory impairment (AAMI). The ability to encode new memories of events or facts and working memory shows decline in both cross-sectional and longitudinal studies. [8]
A diagnosis of dementia requires the observation of a change from a person's usual mental functioning and a greater cognitive decline than might be caused by the normal aging process. [ 13 ] Several diseases and injuries to the brain, such as a stroke , can give rise to dementia.
The ability of an individual to demonstrate attenuated cognitive signs of aging despite an aging brain is called cognitive reserve. [22] [69] This hypothesis suggests that two patients might have the same brain pathology, with one person experiencing noticeable clinical symptoms, while the other continues to function relatively normally ...
Pre-dementia or early-stage dementia (stages 1, 2, and 3). In this initial phase, a person can still live independently and may not exhibit obvious memory loss or have any difficulty completing ...
Researchers are uncovering deeper insights into how the human brain ages and what factors may be tied to successful cognitive aging ((is successful the best word to use? seems like we’ll all do ...
Feeling tired after a long day is considered a normal part of aging, explains Verna Porter, MD, a neurologist and director of the Dementia, Alzheimer’s Disease and Neurocognitive Disorders at ...
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