Unit 4222-365 Essay

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Unit 4222-365 Outcome 1 1 Dementia syndrome is a group of related symptoms that are associated with a progressive decline of the brain,due to disease,and of intellectual functions that are needed for everyday living,such as memory.There are over 100 different types of dementia. Alzheimer's Disease this is a condition of the brain in which plaques and tangles develop in the brain,leading to the death of brain cells.There is also a shortage of neurotransmitters.It is a progressive disease, which means that over time more and more parts of the brain become damaged resulting in increased severity of symptoms.It is thought to be caused by a combination of factors including age,genetic inheritance people with Down's syndrome are at an increased risk of developing Alzheimer's disease environmental factors diet and overall general health.In some people the disease may develop silently for many years before symptoms appear. Vascular Dementia this is second most common form of dementia after Alzheimer's disease.It is caused by problems in the supply of blood to the brain.Blood is delivered through network of blood vessels called the vascular system in the brain damaged,because of high blood pressure,heart problems, high cholesterol and diabetes and blood can not reach the brain cells the cells will eventually die leading to the onset of vascular dementia. Dementia with Lewy bodies this is a form of dementia that is similar to both Alzheimer's and Parkinson's diseases.Lewy bodies are tiny,spherical protein deposits found in nerve cells.Their presence in the brain disrupts the brains normal functioning including that of important neurotransmitters. Fronto-temporal Dementia this covers a range of conditions,including picks disease ,frontal lobe degeneration and dementia associated with motor neurone disease.All are caused by damage to the frontal lobe andor the

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