Dementia Essay

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The term dementia is used to describe a group of symptoms, a person with dementia is a person with a range of disabilities which can be more difficult to recognise than physical disabilities dementia is more of a generic term and includes a vast range of conditioms and there causes this is because dementia is more tham just memory loss it is also effects the cognitive function so things like remembering, comprehension, awareness, judgement etc this is due to damage or disease in the body more than what is expected from normal ageing. The key functions of the brain that are affected by dementia include the cerebrum, dementia with Lewy bodies (DLB) affects the cerebrum. In DLB small, round lumps of proteins build up in the grey matter. These spheres harm nerve cells, causing the symptoms of DLB including hallucinations and fluctuations in consciousness.This area can also be affected by vascular dementia, the second most common cause of dementia after Alzheimer’s. Vascular dementia is caused by blood flow to the brain being reduced. Blood carries essential oxygen and nourishment to the brain and without it brain cells die. The frontal lobe, Frontotemporal dementia (or FTD) affects this area of the brain. There are different types of frontotemporal dementia. Some affect the temporal lobes early on and patients behave inappropriately and often experience personality changes.It’s thought that frontotemporal dementia is caused by proteins building up in the brain, harming nerve cells. The temporal lobe, The hippocampus is affected by Alzheimer's disease. Two proteins, amyloid and tau, build up and damage nerve cells. This build up starts in the hippocampus before spreading to other brain areas.The damaged nerve cells in the hippocampus mean this part of the brain can’t function properly, which can lead to the early symptoms of Alzheimer’s – memory loss and

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