Mild cognitive impairment
Journal Title: Postępy Nauk Medycznych - Year 2011, Vol 24, Issue 8
Abstract
Mild cognitive impairment (MCI) is a heterogeneous clinical syndrome that lies in the cognitive continuum between normal ageing and dementia. Memory impairment in MCI is greater than what one would expect of age, yet general function is preserved and similar activities of daily living are normal. MCI may be a precursor to dementia, at least in some cases. Various approaches have been proposed to describe this decline and its relationship with the development of dementia. Unfortunately, the difficulty in disentangling “normal”, purely age-associated cognitive changes from changes related to early degenerative or vascular diseases has resulted in a lack of agreement on terminology and specific diagnostic criteria. Although there are a number of different definitions of mild cognitive deficits, the general concept is of a subjective memory impairment,and/or another domain in the context of cognitive impairment relative to age-matched controls and yet showing no loss of function and no dementia. MCI is a heterogeneous group with a variety of clinical outcomes. Most of the subjects will convert to dementia, but some MCI may never progress to any significant extent or even improve. New diagnostics criteria for the symptomatic predementia phase of Alzheimer’s disease (AD), was published in 2011 as MCI due to AD. Research criteria incorporate the use of biomarkers based on imaging and cerebrospinal fluid measures.
Authors and Affiliations
Tomasz Gabryelewicz
Keywords
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