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KMID : 0895320160250010067
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Korean Journal of Research in Gerontology
2016 Volume.25 No. 1 p.67 ~ p.79
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Pre-stage of Mild Cognitive Impairment: Stage of Subjective Cognitive Change
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Seo Eun-Hyun
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Abstract
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Normal aging, mild cognitive impairment, and Alzheimer’s disease (AD) fall along a continuous spectrum of cognitive aging. Recently, there has been a strong recommendation to recognize preclinical stages of MCI. Many studies that focused on this “between normal and MCI” status used various terminologies indicating earlier stages of MCI, such as subjective memory impairment (SMI), subjective cognitive impairment (SCI), subjective cognitive decline (SCD), or pre-mild cognitive impairment (pre-MCI). There is no established common concept for preclinical stages of MCI yet. Different measurement and inclusion/exclusion criteria have been applied in many studies. In this paper, research criteria guidelines for those terms denoting preclinical stage of MCI were briefly introduced. It is expected that one of those terms will provide potential usefulness for identifying preclinical MCI and clinical trials recruitment.
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KEYWORD
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Cognitive aging, Mild cognitive impairment, Subjective cognitive impairment, Subjective memory impairment, Pre-mild cognitive impairment
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