ArticleJournal of Alzheimer's disease : JAD2026
The predictive role of olfactory identification on episodic memory and mild cognitive impairment: Results from the CIMA-Q cohort.
Article in Journal of Alzheimer's disease : JAD, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Sensory decline in aging and neurodegeneration: A mitochondrial perspective.Pharmacological research · 2026Review
- Olfactory Bulb Volume Reflects Olfactory Dysfunction and Network Organization: Insights From the Population-Based Rhineland Study.International forum of allergy & rhinology · 2026Article
- Introduction to Supplement Issue: Sensory loss in Alzheimer's disease and related dementias.Journal of Alzheimer's disease : JAD · 2026Article
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Authors and funding
5 authors.
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Abstract
BackgroundOlfactory identification decline is a known early marker of Alzheimer's disease and is already present at the mild cognitive impairment (MCI) stage. While being linked with episodic memory, its predictive value for cognitive performance and distinguishing between clinical stages remains unclear.ObjectiveThis study examined (1) the predictive value of olfactory identification for episodic memory performance and (2) its utility for discriminating individuals with MCI from those with subjective cognitive decline (SCD).MethodsParticipants included 45 individuals with MCI (mean age = 80.08, SD = 5.86) and 48 with SCD (mean age = 75.82, SD = 5.64) from the Consortium for the Early Identification of Alzheimer's Disease-Quebec cohort. We evaluated olfactory identification with the University of Pennsylvania Smell Identification Test (UPSIT), and episodic memory with the Rey Auditory Verbal Learning Test (RAVLT). LASSO regression models were used to predict RAVLT total and delayed recall scores, using 80% of data for training and 20% for testing.ResultsUPSIT significantly predicted both RAVLT total (β = 0.45,
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