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A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
Published on: January 11, 2020
Mild cognitive impairment: an overview
Ronald C Petersen1, Selamawit Negash
1Alzheimer's Disease Research Center, Mayo Clinic College of Medicine, Rochester, MN 55905, USA. peter8@mayo.edu
Abstract:
Mild cognitive impairment (MCI) refers to the transitional state between the cognitive changes of normal aging and very early dementia. MCI has generated a great deal of research from both clinical and research perspectives. Several population- and community-based studies have documented an accelerated rate of progression to dementia and Alzheimer's disease in individuals diagnosed with MCI. Clinical subtypes of MCI have been proposed to broaden the concept and include prodromal forms of a variety of dementias. An algorithm is presented to assist the clinician in identifying subjects and subclassifying them into the various types of MCI. Progression factors, including genetic, neuroimaging, biomarker, and clinical characteristics, are discussed. Neuropathological studies indicating an intermediate state between normal aging and early dementia in subjects with MCI are presented. The recently completed clinical trials as well as neuropsychological and nutritional interventions are discussed. Finally, the clinical utility of MCI, and directions for future research are proposed.
Insights
Mild cognitive impairment (MCI) is a stage between normal aging and dementia. Research explores MCI subtypes, progression factors, and interventions to aid early diagnosis and future dementia prevention strategies.
Area of Science:
- Neurology
- Gerontology
- Cognitive Science
Background:
- Mild cognitive impairment (MCI) represents a critical transitional phase between normal cognitive aging and early-stage dementia.
- MCI is a significant area of research due to its association with an accelerated progression to dementia and Alzheimer's disease.
Purpose of the Study:
- To present an algorithm for clinical identification and subclassification of MCI subtypes.
- To discuss factors influencing MCI progression, including genetic, neuroimaging, biomarker, and clinical characteristics.
- To review neuropathological findings, clinical trials, and interventions for MCI.
Main Methods:
- Literature review of population-based studies, clinical trials, and neuropathological research.
- Development of a clinical algorithm for MCI identification and subtyping.
- Analysis of progression factors and intervention outcomes.
Main Results:
- MCI subtypes are proposed to encompass prodromal dementia forms.
- Various factors (genetic, imaging, biomarkers, clinical) are identified as progression indicators.
- Clinical trials and interventions (neuropsychological, nutritional) have been evaluated.
Conclusions:
- MCI serves as a crucial diagnostic target for early intervention.
- Further research is needed to refine clinical utility and predictive accuracy.
- Understanding MCI progression is key to developing effective dementia prevention strategies.
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