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Related Experiment Videos

Aging, terminal decline, and terminal drop.

E Palmore, W Cleveland

    Journal of Gerontology
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Aging seniors experience declines in health and intelligence, but maintain life satisfaction. This 20-year study found no significant terminal drop effects, indicating a gradual decline rather than a sudden one before death.

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    Area of Science:

    • Gerontology
    • Psychology
    • Sociology

    Background:

    • Longitudinal studies are crucial for understanding aging processes.
    • Previous research has explored age-related functional declines and terminal decline/drop hypotheses.
    • The relationship between cognitive/physical function, activities, and subjective well-being in later life requires further investigation.

    Purpose of the Study:

    • To analyze data from a 20-year longitudinal study of individuals over 60.
    • To test for age-related declines in function.
    • To investigate terminal decline and terminal drop effects in relation to time before death.

    Main Methods:

    • Step-wise multiple regression analysis.
    • Analysis of data from a 20-year longitudinal study.

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  • Assessment of health measures, physical function ratings (physician and self-rated), intelligence, activities, satisfaction, and adjustment.

    • Main Results:

    • All health measures showed substantial declines with age.
    • Physician's physical function rating and self-rated physical function showed additional terminal decline.
    • Intelligence exhibited a substantial age-related decline and a small terminal decline.
    • Most activities declined with age but lacked significant terminal decline.
    • No substantial terminal drop effects were observed.
    • Life satisfaction and adjustment showed little to no decline despite other functional decrements.

    Conclusions:

    • Aging is associated with declines in physical health and cognitive function.
    • Terminal decline, a linear decrease before death, was observed in physical function and to a lesser extent in intelligence.
    • Terminal drop, a curvilinear decrease before death, was not a substantial finding.
    • Subjective well-being, specifically life satisfaction and adjustment, remained relatively stable in older adults despite objective functional declines.