Alzheimer's Biological Theory

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In order to properly diagnose the patient, various biological theories of aging must be analyzed and applied to the patient’s situation, allowing for an accurate detection of their illness. The biological theories of aging are largely based on the idea of senescence, suggesting that aging results in some form of deterioration. In this particular case, the deterioration affects the patient mentally, leading to memory disorders, personality changes, and/or impaired reasoning. These are often the result of some form of dementia. Some of the major biological theories that can be applied to the dementia include the Wear and Tear, Error Accumulation, Somatic Mutation,and Free Radical theories. Application of the theories is key when determining …show more content…
A few key types of dementias include Alzheimer’s Disease, Parkinson’s Disease, Lewy Body Dementia, Huntington's Disease, and Frontotemporal Dementia. Alzheimer’s Disease, the leading cause of Dementia, is characterized by irreversible damages to and destruction of brain cells, leading to memory loss and cognitive deficiencies. The causes of Alzheimer's disease have yet to be fully discovered, but many scientists believe that a combination of genetics, age, environment, and lifestyle choices increase the chances of the disease developing. Symptoms of Alzheimer’s include memory loss, difficulty organizing thoughts, forgetfulness, poor decision making, and personality changes. The second most common type of Dementia is Lewy Body Dementia, a brain disorder that displays cognitive decline and movement problems. Lewy bodies are abnormal proteins that develop in areas of the brain involved in thinking and motor control. When they build up they can have a negative impact on the brain, affecting memory, thinking skills, movement, mood, and behavior. Lewy bodies are often found in the brains of Alzheimer’s patients, leading doctors to believe that both disorders are related. The symptoms of lewy body disorder include slowed and decreased motor skills, difficulty concentrating, visual hallucinations, personality changes, and memory loss. This disorder resembles both Alzheimer’s disease and Parkinson’s disease, making it difficult to distinguish between the 3

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