Overview of Alzheimer's Disease

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Alzheimer’s disease (AD) is a severe, incurable form of dementia that causes impairment and cognitive deficits such as language, speech, memory and basic motor skills (Buckley, 2011). Currently in the United States, there are 5.2 million individuals living with AD (Alzheimer’s Association, 2013). AD is a deterioration of one’s cognitive functions that prevents the ability for daily function and unfortunately has no known cure or preventative methods (Buckley, 2011).The main deficit that AD has on the brain is the deterioration of different areas of the brain. Not only does a physical toll contribute to patients with AD, but there is also a social stigma that impedes on the normal daily function of life. In this literature review, I will discuss the different effects that AD has on the brain and the outcome of what various repercussions can occur. It is important it is to call for more research in the future to attempt to find a possible cure or new methods of treatment.
AD is the most common form of dementia. During the course of the different stages of AD, the patient will experience deterioration of brain cells, in specific areas of the brain, that ultimately lead to the incompetency of motor functions and the ability to recognize everyday items and people in their life. AD has a vast effect on one’s memory. The different functions of memory affected by AD include episodic memory, semantic memory, procedural memory, and working memory (Lipton, 2010). In regular aging of an individual, learning new facts and memory are two things that come naturally, but are affected by AD. With AD, irregular changes cause large amounts of deterioration to specific learning and memory areas of the brain such as the temporal lobe and prefrontal c...

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... greater than their accuracy deficit. Neuropsychologia, 49(9), 2609-2618.
Lipton, R., Hirsch, J., Katz, M., Wang, C., Sanders, A., Verghese, J., Barzilai, N., & Derby, C. (2010). Exceptional parental longevity associated with lower risk of Alzheimer's disease and memory decline. Journal Of The American Geriatrics Society, 58(6), 1043-1049.
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Sternberg, Robert J. (2007). Cognitive Psychology, Fifth Edition. Belmont, CA: Wadsworth.
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