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A description of the symptoms and possible causes of Alzheimer's disease as an example of brain malfunction

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  • Essay length: 506 words
  • Submitted: 07/08/2003
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AS and A Level Healthcare

The first 200 words of this essay...

Rob Holt

Biology

A description of the symptoms and possible causes of Alzheimer's disease as an example of brain malfunction

Alzheimer's disease is one of a number of forms of dementia. This type of illness affects the brain by gradually reducing the number of brain cells. This decline in brain tissue can occur in all parts of the brain. However, Alzheimer's deals mainly with the Cerebrum part of the brain. The Cerebrum controls intelligence, memory, language skills, emotions and personality. As a result, Alzheimer's has many symptoms, which link to the part of the Cerebrum that has been damaged. The results of Alzheimer's are apparent, as one in ten people over 65 and in half of the population over 85. Their disease seriously affects their lives as seven out of ten live at home.

The earliest and most common sign of Alzheimer's is a decline in memory. This memory loss affects recent information more so than long-term memory. This would also lead to a short attention span and often losing interest in long conversations. Moreover, disorientation develops and those with Alzheimer's may get lost in their own street.

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