If a person reaches a certain age and she/he is not able to remember everything and says or does confusing things, this person might have Alzheimer's disease. Usually we encounter terms such as Alzheimer's disease and dementia earlier. So for example adolescent people have been jokingly asked if they had Alzheimer's, when they had forgotten the key or the homework.
Fact is however the Alzheimer's disease is being increased. Today about 60% of all dementias are Alzheimer´s disease. Main reason for that is the increasing life expectancy of people. Delimiting this, it must be said also that not every poor memory of the short- or long-term memory is at once Alzheimer's disease. Often in these case a general dementia, with Alzheimer's is a special form of dementia.
Dementia is a complex neuropsychological disorder that always includes a memory disorder, but also at least a further deterioration in the range of so-called higher cortical functions. As disturbances of higher cortical functions speech disorder, movement disorder, disturbance and impaired cognition and action planning skills apply.
In the brain of a dementia sufferers, the nerve cells change over the course of the disease they shrink and nerve cell contacts are lost. Individual information, such as on a hard drive are Figuratively speaking, be gone.
Circumstances or factors which promote the development of dementia:
Like in all diseases, there are influencing factors which can promote the emergence of a disease. When diagnosed with dementia generally the factor are those that damage the brain in any way. These factors include inter alia:
- brain hemorrhages, high blood pressure
- other head injury (e.g., craniocerebral injury)
- brain tumors
- brain infarctions
- alcohol, drugs