Less commonly, a non-degenerative condition may have secondary effects on brain cells, which may or may not be reversible if the condition is treated. The causes of dementia depend on the age at which symptoms begin. In the elderly population, a large majority of cases of dementia are caused by Alzheimer's disease, vascular dementia or both. It is rare to have dementia in young people 1.2 Describe the types of memory impairment commonly experienced by individuals with dementia. The memory impairment may result in lack of attention, forgetting language, forgetting names and identity of friends and relatives and lose of ability to solve problems.
The cells eventually die and this means that information cannot be recalled or assimilated. As Alzheimer’s disease progressively affects different areas of the brain, certain functions or abilities are lost. Vascular dementia Vascular dementia is the broad term for dementia associated with problems of circulation of blood to the brain. It is the second most common form of dementia. There are a number of different types of vascular dementia.
The cause of the brain cells dying and the deterioration of the connectors is not fully known. Vascular dementia is a form of dementia caused by damage to the brain through deprivation of oxygenated blood. Causes are preventable and include high blood pressure, heart problems, diabetes and high cholesterol. Rarer forms of dementia are Creutzfeldt-Jakob disease (CJD) and Biswanger’s disease. 1.2 Types of memory impairment Whilst long term memory loss is experienced, short term memory loss can cause more problems, although it is not the same in every case.
How fast dementia progresses will depend on the individual person and what type of dementia they have. Each person is unique and will experience dementia in their own way. It is often the case that the person's family and friends are more concerned about the symptoms than the person may be themselves. The key functions of the brain that are affected by dementia. http://t3.gstatic.com/images?q=tbn:ANd9GcTSqaJFcU1RFX2EAxx7ilgPvdh41FXE_QRBdQBTl5vSTfsKHwHSzQ Temporal lobe = responsible foe vision, memory, language, hearing, learning Disturbance in function of the temporal lobe may be caused by ischaemic or haemorrhagic damage, as with a cerebrovascular event (CVE).
It is believed to be the result of a number of factors, including genetic factors, environmental influences, such as a previous head trauma. Education level and persons experiences early in their life have also shown as factors in some Alzheimer’s patients. Lifestyle factors, such as dietary habits, high blood pressure, and high cholesterol, are also being researched because there are clues that they affect Alzheimer’s but there is no explanation to how or even why. The primary risk factors right now are age and genetics. Women are for some reason more susceptible than men, possibly because women are said to live longer than men.
2 How dementia affects decision-making Dementia is the umbrella term for a number of conditions which cause damage to the brain cells. The most common form is Alzheimer’s disease which has a gradual progression. The next most common type is vascular dementia which has a step-like progression. About one in four people with Parkinson’s disease also develop dementia. Short-term memory loss, disorientation and loss of concentration are common symptoms.
Catherine scullion Unit Understand the process and experience of dementia. 1.1, Dementia caused by a combination of conditions, sometimes called mixed dementia. Dementia is not a specific disease, Its a an overall term that describes a wide range of symptoms associated with a decline in memory or other thinking skills severe enough to reduce a persons ability to perform every day tasks activities. Alzheimers disease accounts for 60/80% of cases. Vascular dementia which occurs after a stroke, is the second most common dementia, but there are many other conditions that can cause symptoms of dementia, including some that are reversible, such as thyroid problems and vitamin deficiencies.
DEMENTIA Dementia is not a disease in itself but is the word used to describe a set of symptoms that occur when specific disease damages the brain. These symptoms include : memory loss, mood swings, difficulties with language, decision making and reasoning. There are many causes and types of dementia but the symptoms are often the same. Alzheimer's disease is the most common form of dementia and occurs when nerve cells in the brain are damaged. There is also a chemical imbalance within the make-up of the brain.
There are just some illnesses that are hard to bare and continue living a normal life. Such are the patients with Dementia. Dementia is a psychological illness affecting cognitive areas of the brain, which include but are not limited to memory, attention, language, and problem solving. Dementia branches to different stages and categories but the most commonly know form of Dementia is Alzheimer’s disease. Alzheimer’s early stages include but aren’t limited to minor Short-term memory loss, forgetting that memory lapses happened and some confusion in situations outside the familiar.
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,