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  • Olfactory ability in the healthy population: Reassessing presbyosmia

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    Author(s)
    Mackay-Sim, Alan
    Johnston, Amy NB
    Owen, Caroline
    Burne, Thomas HJ
    Griffith University Author(s)
    Mackay-Sim, Alan
    Year published
    2006
    Metadata
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    Abstract
    Age-associated loss of olfactory function, or presbyosmia, has been described in many studies of olfactory ability. Presbyosmia has been ascribed to idiopathic causes despite recognition that many neurodegenerative diseases also induce loss of olfactory function and increase in incidence in the aged population. Often this olfactory loss is unnoticed or unreported by affected individuals. More effective olfactory function in women compared with men is another common feature of many studies of olfactory function. Here we report on normative data from an Australian population study (n = 942) that has been divided into 2 ...
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    Age-associated loss of olfactory function, or presbyosmia, has been described in many studies of olfactory ability. Presbyosmia has been ascribed to idiopathic causes despite recognition that many neurodegenerative diseases also induce loss of olfactory function and increase in incidence in the aged population. Often this olfactory loss is unnoticed or unreported by affected individuals. More effective olfactory function in women compared with men is another common feature of many studies of olfactory function. Here we report on normative data from an Australian population study (n = 942) that has been divided into 2 subpopulations and reassessed as (included) a population of healthy, nonmedicated, nonsmokers with no history of nasal problems (n = 485) and (excluded) a population of participants who were either medicated, smokers or had a history of nasal problems (n = 457). The "included" data set shows a strong relationship between self-reporting of olfactory sensitivity and olfactory function score. The included data set shows a small but significant decline in olfactory ability after 65 years of age and better olfactory function in females compared with males. Data from the excluded population show a marked decline in olfactory ability after 65 years of age, no difference between males and females, and a weak relationship between self-reporting of olfactory function and actual olfactory function. The power of this approach is that it provides a normative data set against which many factors such as medication schedules and pathological conditions can be compared.
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    Journal Title
    Chemical Senses
    Volume
    31
    Publisher URI
    http://chemse.oxfordjournals.org/
    DOI
    https://doi.org/10.1093/chemse/bjl019
    Copyright Statement
    © 2006 The Author(s). This is an open access paper under the Creative Commons Attribution 3.0 Unported (CC BY 3.0) license that permits unrestricted use, provided that the paper is properly attributed.
    Subject
    Biological sciences
    Publication URI
    http://hdl.handle.net/10072/13872
    Collection
    • Journal articles

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