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Related Experiment Videos

Food quality reports from noninstitutionalized aged.

J C Stevens1

  • 1John B. Pierce, Foundation, New Haven, Connecticut.

Annals of the New York Academy of Sciences
|January 1, 1989
PubMed
Summary
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Olfactory function declines with age, impacting smell and taste perception. However, most elderly individuals still enjoy food and drink, indicating that sensory loss doesn't necessarily diminish gustatory pleasure.

Area of Science:

  • Gerontology
  • Neuroscience
  • Sensory Science

Background:

  • Aging is associated with olfactory decline, affecting sensory perception.
  • Previous research indicates age-related impairments in smell and taste.
  • Understanding these changes is crucial for assessing quality of life in the elderly.

Purpose of the Study:

  • To compare olfactory function in elderly and young subjects.
  • To assess the impact of aging on absolute smell threshold, suprathreshold odor perception, and odor identification.
  • To investigate the relationship between olfactory changes and food enjoyment in older adults.

Main Methods:

  • Olfactory tests including absolute threshold, magnitude matching, and odor identification.
  • Development of a composite olfactory competence score.

Related Experiment Videos

  • Questionnaires on health, occupation, and sensory experiences related to food and drink.

    • Main Results:

    • Elderly subjects showed significant impairment in olfactory function across all tested measures.
    • A composite score indicated that most individuals over 70 experience some degree of olfactory decline.
    • Despite olfactory deficits, the majority of elderly participants reported high levels of food and drink enjoyment.

    Conclusions:

    • Aging significantly impairs olfactory function, including smell and taste.
    • Olfactory impairment is common in individuals over 70.
    • Enjoyment of food and drink can be maintained despite age-related sensory losses.