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Related Experiment Videos

Taste and aging.

L M Bartoshuk, B Rifkin, L E Marks

    Journal of Gerontology
    |January 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Older adults perceive strong tastes similarly to younger adults, suggesting taste sensation does not significantly fade with age. However, mild background tastes may affect their perception of weak solutions.

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    Area of Science:

    • Sensory Science
    • Gerontology
    • Chemosensation

    Background:

    • Taste thresholds are known to increase with age.
    • The impact of aging on suprathreshold taste intensity perception remains less understood.

    Purpose of the Study:

    • To investigate age-related differences in the perceived intensity of basic tastes.
    • To determine if suprathreshold taste sensations are affected by aging.

    Main Methods:

    • Magnitude matching was employed to assess perceived taste intensity.
    • Participants (elderly and young adults) matched taste intensities (sodium chloride, sucrose, citric acid, quinine hydrochloride) to loudness levels.

    Main Results:

    • Elderly and young adults matched moderate and strong taste intensities to equivalent loudness levels.

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  • This indicates that suprathreshold taste perception is largely preserved in older adults.
  • Elderly participants matched water and dilute taste solutions to louder sounds, possibly due to mild dysgeusia (background taste).

    • Conclusions:

    • Suprathreshold taste perception for moderate to strong solutions is generally maintained in aging.
    • Age-related changes in taste perception may be more pronounced for weak stimuli or influenced by background taste sensations.