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Nasal tactile sensitivity in elderly.

Francesco Antonio Salzano1, Luca Guastini, Renzo Mora

  • 1ENT Department, University of Genoa, Genoa, Italy.

Acta Oto-Laryngologica
|October 26, 2010
PubMed
Summary

Older adults experience reduced nasal tactile sensitivity. This study found that tactile thresholds significantly increase with age, indicating a decline in sensitivity in older populations.

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Area of Science:

  • Gerontology
  • Neuroscience
  • Sensory Physiology

Background:

  • Aging is associated with sensory changes.
  • Nasal tactile sensitivity plays a role in various physiological functions.

Purpose of the Study:

  • To investigate the impact of aging on nasal tactile sensitivity.
  • To quantify changes in nasal tactile perception across different adult age groups.

Main Methods:

  • 160 healthy participants aged 50-90 years were grouped into 5-year age brackets.
  • The Semmes-Weinstein monofilament test was employed to assess nasal tactile sensitivity in both nasal cavities.
  • Tactile sensitivity thresholds were determined by the minimum monofilament force required for detection.

Main Results:

  • A significant increase in tactile thresholds was observed in older age groups (66-90 years).
  • Higher stimulus intensity (mg) was needed to elicit a response in older participants compared to younger ones.
  • Individual variability in tactile sensitivity was noted among older adults.

Conclusions:

  • Nasal tactile sensitivity declines with advancing age.
  • Age-related changes in tactile perception are significant in individuals over 65.
  • The findings highlight the need to consider age-related sensory decline in clinical and functional assessments.