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Test-Retest Reliability and Validity of the Sniffin' TOM Odor Memory Test
Stockholm University, Faculty of Social Sciences, Department of Psychology, Perception and psychophysics.
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2015 (English)In: Chemical Senses, ISSN 0379-864X, E-ISSN 1464-3553, Vol. 40, no 3, 173-179 p.Article in journal (Refereed) Published
Abstract [en]

Few attempts have been made to develop an olfactory test that captures episodic retention of olfactory information. Assessment of episodic odor memory is of particular interest in aging and in the cognitively impaired as both episodic memory deficits and olfactory loss have been targeted as reliable hallmarks of cognitive decline and impending dementia. Here, 96 healthy participants (18-92 years) and an additional 19 older people with mild cognitive impairment were tested (73-82 years). Participants were presented with 8 common odors with intentional encoding instructions that were followed by a yes-no recognition test. After recognition completion, participants were asked to identify all odors by means of free or cued identification. A retest of the odor memory test (Sniffin' TOM = test of odor memory) took place 17 days later. The results revealed satisfactory test-retest reliability (0.70) of odor recognition memory. Both recognition and identification performance were negatively affected by age and more pronounced among the cognitively impaired. In conclusion, the present work presents a reliable, valid, and simple test of episodic odor recognition memory that may be used in clinical groups where both episodic memory deficits and olfactory loss are prevalent preclinically such as Alzheimer's disease.

Place, publisher, year, edition, pages
2015. Vol. 40, no 3, 173-179 p.
Keyword [en]
assessment, human, memory, olfaction nose, psychophysics, smell
National Category
Psychology Neurosciences
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URN: urn:nbn:se:su:diva-116530DOI: 10.1093/chemse/bju069ISI: 000351015600003PubMedID: 25550307OAI: oai:DiVA.org:su-116530DiVA: diva2:809455
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AuthorCount:5;

Available from: 2015-05-04 Created: 2015-04-21 Last updated: 2017-12-04Bibliographically approved

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