Odor sensitivity impairment

A behavioral marker of psychological distress?

David Houghton, Samuel L. Howard, Thomas W. Uhde, Caitlin Paquet, Rodney J. Schlosser, Bernadette M. Cortese

Research output: Contribution to journalArticle

Abstract

Objective: Enhanced odor sensitivity, particularly toward threat-related cues, may be adaptive during periods of danger. Research also suggests that chronic psychological distress may lead to functional changes in the olfactory system that cause heightened sensitivity to odors. Yet, the association between self-reported odor sensitivity, objective odor detection, and affective psychopathology is currently unclear, and research suggests that persons with affective problems may only be sensitive to specific, threat-related odors. Methods: The current study compared adults with self-reported odor sensitivity that was described as functionally impairing (OSI; n = 32) to those who reported odor sensitivity that was non-impairing (OS; n = 17) on affective variables as well as quantitative odor detection. Results: Increased anxiety sensitivity, trait anxiety, depression, and life stress, even while controlling for comorbid anxiety and depressive disorders, was found for OSI compared to OS. While OSI, compared to OS, demonstrated only a trend increase in objective odor detection of a smoke-like, but not rose-like, odor, further analysis revealed that increased detection of that smoke-like odor was positively correlated with anxiety sensitivity. Conclusion: These findings suggest that persons with various forms of psychological distress may find themselves significantly impaired by an intolerance of odors, but that self-reported odor sensitivity does not necessarily relate to enhanced odor detection ability. However, increased sensitivity to a smoke-like odor appears to be associated with sensitivity to aversive anxiogenic stimuli. Implications for the pathophysiology of fear- and anxiety-related disorders are discussed.

Original languageEnglish (US)
Pages (from-to)404-412
Number of pages9
JournalCNS Spectrums
Volume24
Issue number4
DOIs
StatePublished - Aug 1 2019
Externally publishedYes

Fingerprint

Psychology
Smoke
Anxiety
Odorants
Anxiety Disorders
Aptitude
Depressive Disorder
Psychopathology
Psychological Stress
Research
Fear
Cues
Depression

Keywords

  • Anxiety
  • anxiety sensitivity
  • odor sensitivity
  • somatization
  • stress

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health

Cite this

Houghton, D., Howard, S. L., Uhde, T. W., Paquet, C., Schlosser, R. J., & Cortese, B. M. (2019). Odor sensitivity impairment: A behavioral marker of psychological distress? CNS Spectrums, 24(4), 404-412. https://doi.org/10.1017/S1092852918001177

Odor sensitivity impairment : A behavioral marker of psychological distress? / Houghton, David; Howard, Samuel L.; Uhde, Thomas W.; Paquet, Caitlin; Schlosser, Rodney J.; Cortese, Bernadette M.

In: CNS Spectrums, Vol. 24, No. 4, 01.08.2019, p. 404-412.

Research output: Contribution to journalArticle

Houghton, D, Howard, SL, Uhde, TW, Paquet, C, Schlosser, RJ & Cortese, BM 2019, 'Odor sensitivity impairment: A behavioral marker of psychological distress?', CNS Spectrums, vol. 24, no. 4, pp. 404-412. https://doi.org/10.1017/S1092852918001177
Houghton, David ; Howard, Samuel L. ; Uhde, Thomas W. ; Paquet, Caitlin ; Schlosser, Rodney J. ; Cortese, Bernadette M. / Odor sensitivity impairment : A behavioral marker of psychological distress?. In: CNS Spectrums. 2019 ; Vol. 24, No. 4. pp. 404-412.
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