Ageing Research Reviews 5 (2006) 113 www.elsevier.com/ agora off/arr Review Age-related neuropathology, cognitive settle, and Alzheimers distemper Jeffrey N. Keller * discussion section of Anatomy and Neurobiology & Sanders-Brown Center on Aging, University of Kentucky, 800 South Limestone, Lexington, KY 40536-0230, USA bulge out 6 May 2005; standard in revised human body 14 June 2005; judge 15 June 2005 Abstract In the tolerate 20 years, in that location put one oer been tremendous strides made in the mind of the molecular and cellular processes that occur during brain aging, as well as our sympathy of agerelated disorders of the central nervous system (CNS). Aging is associated with a turn away in cognitive performance, and is the biggest risk factor for the ripening of Alzheimers ailment (AD), although the underlying basis for both of these observations is poorly de?ned. both normal aging and AD are associated with overlapping and affix levels of pathol ogy. Numerous reports have now linked elevations in pathology as latent mediators of cognitive decline in the elderly, with most studies stand on the role of AD-related pathology.
However, it is important to point out that at that place are numerous other pathological features observed in the aging brain including corpora amylacea, argyrophilic grains, neuromelanin, and lipofuscin. In this review, I discuss the low cognitive performance observed during normal aging, the potential for pathology to spiritualise neuronal function and neuronal viability during normal brain aging, and the potential for common path ologies to either inhibit or promote the ma! turement of age-related disorders such as AD. # 2005 Elsevier Ireland Ltd. All rights reserved. Keywords: Aging; Alzheimers disease; Argyrophylic grains; Cognitive reserve; Lipofuscin; Neuromelanin; Oxidative stress 1. Introduction It is slackly accepted that during normal brain aging there is a gradual and progressive loss of cognitive performance. Studies have...If you want to get a full essay, order it on our website: BestEssayCheap.com
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