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  Rapid assessment of olfactory sensitivity using the “Sniffin’ Sticks”

Poessel, M., Freiherr, J., & Horstmann, A. (2019). Rapid assessment of olfactory sensitivity using the “Sniffin’ Sticks”. Chemosensory Perception, 1-8. doi:10.1007/s12078-019-09261-z.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-3FE4-6 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-9676-F
Genre: Journal Article

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 Creators:
Poessel, Maria1, 2, 3, Author              
Freiherr, Jessica4, 5, Author
Horstmann, Annette1, 2, 3, Author              
Affiliations:
1Integrated Research and Treatment Center Adiposity Diseases, University of Leipzig, Germany, ou_persistent22              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, Leipzig, DE, ou_634549              
3Collaborative Research Center Obesity Mechanisms, Institute of Biochemistry, University of Leipzig, Germany, ou_persistent22              
4Clinic for Diagnostic and Interventional Neuroradiology, RWTH Aachen University, Germany, ou_persistent22              
5Fraunhofer Institute for Process Engineering and Packaging IVV, Freising, Germany, ou_persistent22              

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Free keywords: Ascending procedure; Olfaction; Single staircase procedure; Smell; Threshold
 Abstract: Introduction: Assessment of olfactory performance is of high clinical interest in the contexts of smell loss as well as neurological diseases, and recently gained attention in obesity research. Available olfactory tests, especially for assessing olfactory sensitivity, are time-consuming and require high cognitive capacity. Therefore, we aimed to establish a short procedure for reliably testing olfactory sensitivity using a subtest of the “Sniffin’ Sticks” battery. Evaluation criteria are test duration, validity, and test-retest reliability. Methods: In a preliminary study using a within-subject repeated-measures design, we measured olfactory sensitivity for n-butanol in 20 young and healthy participants. We compared sensitivity obtained with three different measures during two sessions in a pseudo-randomized order: a standard single-staircase three-alternative forced-choice procedure with seven reversals (SSP_7); an abbreviated version with five reversals (SSP_5); and an ascending presentation of 16 dilution steps from lowest to highest odor concentration (brief ascending procedure, BAP). Results: Compared to the SSP_7, the BAP was 51%, and the SSP_5 26% shorter in duration. Both the BAP and SSP_5 scores were highly correlated with the SSP_7. The test-retest reliability in all three tests was similar to that typically reported in olfactory research. Conclusion: The abbreviated tests are valid measures of olfactory sensitivity. Especially, the BAP is as reliable as the standard method, but remarkably faster and easier to perform. Implications: Thus, the short procedures bear potential for both research and clinical practice, especially for complex study designs with time constraints on olfactory testing and for patient populations with attention deficits.

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Language(s): eng - English
 Dates: 2018-09-102019-02-132019-02-27
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1007/s12078-019-09261-z
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Project name : -
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Funding program : -
Funding organization : Max Planck Society
Project name : -
Grant ID : 01E01001
Funding program : -
Funding organization : IFB Adiposity Diseases, German Federal Ministry of Education and Research (BMBF)
Project name : Obesity Mechanisms / SFB 1052
Grant ID : -
Funding program : -
Funding organization : German Research Foundation (DFG)
Project name : -
Grant ID : 01EA1409G
Funding program : -
Funding organization : German Ministry for Education and Research (BMBF)
Project name : -
Grant ID : 023-600814
Funding program : Attract Grant MultiSense
Funding organization : Fraunhofer-Gesellschaft

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Title: Chemosensory Perception
Source Genre: Journal
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Publ. Info: New York : Springer
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1 - 8 Identifier: ISSN: 1936-5802
CoNE: https://pure.mpg.de/cone/journals/resource/1936-5802