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A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
12:18

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

Mild cognitive impairment in older adults

Yonas E Geda1

  • 1Department of Psychiatry and Psychology, Mayo Clinic, Scottsdale, AZ, USA. geda.yonas@mayo.edu

Current Psychiatry Reports
|July 10, 2012
PubMed

Insights

Mild cognitive impairment (MCI) is a high-risk stage for dementia. Identifying preclinical Alzheimer's disease (AD) in asymptomatic individuals using biomarkers and neuroimaging is crucial for future prevention strategies.

Area of Science:

  • Neurology
  • Gerontology
  • Biomarker Research

Background:

  • Mild cognitive impairment (MCI) represents a critical intermediate stage between normal aging and dementia.
  • Individuals with MCI are at a significantly elevated risk of progressing to dementia.
  • Early identification of at-risk individuals is paramount for developing effective prevention strategies.

Purpose of the Study:

  • To discuss the significance of MCI as a high-risk group for dementia.
  • To highlight the shift towards identifying asymptomatic individuals with underlying Alzheimer's disease (AD) pathology.
  • To introduce the new classification scheme for AD by the Alzheimer's Association and NIA.

Main Methods:

  • Review of current research trends in cognitive decline and dementia.
  • Discussion of biomarker and neuroimaging technologies for detecting AD pathology.
  • Explanation of the new NIA-AA research framework for classifying AD stages.

Main Results:

  • MCI is a key indicator of increased dementia risk.
  • Biomarkers and neuroimaging enable detection of preclinical AD in asymptomatic individuals.
  • A new classification system categorizes AD into preclinical, MCI due to AD, and dementia stages.

Conclusions:

  • The field is advancing towards early detection of AD pathology before symptomatic stages.
  • The new classification scheme provides a framework for research into AD progression.
  • Research continues to explore risk factors for non-Alzheimer's dementias.

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