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Measures of cognitive functioning in the AHEAD Study

A R Herzog1, R B Wallace

  • 1Institute for Social Research, University of Michigan, USA. rherzog@isr.umich.edu

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
|May 1, 1997
PubMed
Summary

Cognitive functioning decline predicts the need for care in older adults. The Asset and Health Dynamics Among the Oldest Old (AHEAD) study developed and validated cognitive measures for this population.

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Area of Science:

  • Gerontology
  • Cognitive Science
  • Public Health

Background:

  • Cognitive decline and impairment are key indicators for elder care needs.
  • Understanding these changes is crucial for healthcare and resource allocation.

Purpose of the Study:

  • To describe cognitive functioning measures developed for the Asset and Health Dynamics Among the Oldest Old (AHEAD) study.
  • To investigate the impact of health on family and economic resource disbursement in older adults.

Main Methods:

  • Developed and evaluated psychometric properties of cognitive measures for the AHEAD study.
  • Assessed telephone administration and aggregate index formation.
  • Examined construct validity through correlations with sociodemographic and health indicators.

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Main Results:

  • Cognitive measures demonstrated encouraging psychometric properties and data handling.
  • Validity was supported by replication of existing findings and prediction of functional limitations.

Conclusions:

  • The AHEAD study's cognitive measures are psychometrically sound and valid.
  • These measures effectively predict functional decline and inform resource allocation for the elderly.