Difference between three Alzheimer disease stages
Dementia is a syndrome characterized by disturbance of multiple brain functions, including memory, thinking, orientation, comprehension, calculation, learning capacity, language, and judgement. Consciousness is not clouded. The impairments of cognitive function are commonly accompanied, and occasionally preceded, by deterioration in emotional control, social behaviour, or motivation. Alzheimer disease is the most common form of dementia and possibly contributes to 6070% of cases. Other types of dementias include vascular dementia, dementia with Lewy bodies, and a group of diseases that contribute to frontotemporal dementia. The boundaries between subtypes are indistinct and mixed forms often co-exist. Dementia can affect a person in different ways, and progression of the disease depends upon the impact of the disease itself and the person’s personality and state of health. Alzheimer can be divided in three Alzheimer disease stages : early stage – first year or two middle