Reduction of odor and nasal pungency associated with aging.

  title={Reduction of odor and nasal pungency associated with aging.},
  author={Joseph C Stevens and A. Van Plantinga and William Cain},
  journal={Neurobiology of aging},
  volume={3 2},
Aging can seriously blunt suprathreshold sensations mediated by the olfactory receptor system and by common chemical receptors. Despite large individual differences, on the average any given stimulus seemed only about half as intense to the elderly (20 subjects, 65-83 yrs) as to the young (20 subjects, 18-25 yrs). The nature of the loss was a constant percentage reduction of perceived magnitude at stimulus levels from weak to strong. The stimuli were iso-amyl butyrate (a nonirritating fruity… CONTINUE READING

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