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Related Experiment Video

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cCOG: A web-based cognitive test tool for detecting neurodegenerative disorders.

Hanneke F M Rhodius-Meester1,2, Teemu Paajanen3, Juha Koikkalainen4

  • 1Department of Neurology Alzheimer Center Amsterdam Amsterdam Neuroscience Vrije Universiteit Amsterdam Amsterdam UMC Amsterdam the Netherlands.

Alzheimer'S & Dementia (Amsterdam, Netherlands)
|September 1, 2020
PubMed
Summary

The computerized cognitive tool, cCOG, accurately detects mild cognitive impairment (MCI) and dementia. This digital assessment shows potential for cost-effective, home-based screening of neurodegenerative disorders.

Keywords:
Alzheimer's diseaseclinical decision supportcognitioncomputerized cognitive testdementiamemorymild cognitive impairmentneuropsychologyweb‐based cognitive test

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Area of Science:

  • Neuroscience
  • Digital Health
  • Cognitive Assessment

Background:

  • Web-based cognitive tests offer standardized screening for neurodegenerative disorders.
  • Accurate and consistent detection of mild cognitive impairment (MCI) and dementia is crucial for early intervention.

Purpose of the Study:

  • To evaluate the accuracy and consistency of cCOG, a computerized cognitive tool, in identifying MCI and dementia.
  • To compare cCOG's performance against standard neuropsychological tests.

Main Methods:

  • Analysis of clinical data from 306 cognitively normal, 120 MCI, and 69 dementia subjects across three European cohorts.
  • Comparison of global cognitive scores from standard neuropsychological tests with cCOG-derived scores.
  • Assessment of cCOG's consistency in clinical versus home-based settings.

Main Results:

  • cCOG demonstrated high accuracy (ROC-AUC 0.71-0.84 for MCI, 0.86-0.94 for dementia) in both clinical and home settings.
  • cCOG's accuracy was comparable to traditional neuropsychological tests (AUC 0.69-0.77 for MCI, 0.91-0.92 for dementia).

Conclusions:

  • cCOG is a promising tool for detecting MCI and dementia.
  • The tool offers a potentially cost-effective approach, including feasibility for home-based cognitive assessments.