The NIA-A Case Study

Decent Essays
The prevalence of age related health problems is becoming an essential public health concern because the proportion of older individuals groups in population worldwide grows. (World Health Organization; 2008)
It is anticipated that the elderly population in the world will increase by 21% in the next 50 years. The elderly population in the developed and developing countries will increase by 51% and 140%respectively.
Due to increasing the prevalence of dementia, diagnosis, early detection of possible precursors, control of modifiable risk factors, and treatment are important to reduce the disease rate.
Cognition is a bodily function that is reduced by ageing when there is the impairment of judgment, memory, attention, and language.
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The discussion at the first Key Symposium on mild cognitive impairment prompted the formulation of revised core criteria for this condition. The expanded Mayo Clinic criteria for mild cognitive impairment were no longer focused on memory impairment alone yet were expanded to include impairment in other areas of cognitive functioning. Now the additional cognitive syndromes incorporated into the definition of MCI also led to identification of the essentially preserved general cognitive functioning criterion.
Recently, the National Institute on Aging and the Alzheimer’s Association (NIA-AA) charged a workgroup with the task of re-discussing the AD spectrum and MCI criteria. The NIA-AA proposed criteria for the particular definition of MCI due to AD, yet the core clinical criteria overlap with those proposed by the 2003 MCI Key Symposium.
The concept of mild cognitive impairment was aimed to fill the gap between normal and dementia-type pathological ageing. Also, the MCI concept assumes that a cognitive continuum exists amongst normality and Alzheimer’s disease, the main cause of dementia. The MCI criteria, as defined by Petersen et al in 1997, include the following:
(1) Absence of
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