Mild cognitive impairment (MCI) is an intermediary stage in the cognitive continuum from normal aging to dementia. Six to 48% of individuals with MCI are estimated to develop dementia.1 As such, the conceptualization and operationalization of MCI present unique opportunities for the development and implementation of strategies to prevent or delay the conversion to dementia. Despite the lack of a “gold standard” case definition for MCI, information gathered from neuropsychological assessment may inform a diagnosis of MCI based on clinical judgment, as impaired performance on several neuropsychological measures is predictive of conversion to dementia for persons exhibiting cognitive decline but who are not demented.
Key words: mild cognitive impairment, dementia, conversion, neuropsychology, predictors of dementia.
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