Olfactory Function as a Potential Predictor of Cognitive Impairment in Men and Women
Carla Masala
;Francesco Loy;Ilenia Pinna;Nicoletta Aurora Manis;Tommaso Ercoli;Paolo Solla
2024-01-01
Abstract
Background: Different previous studies indicated olfactory function as a predictor of several types of cognitive impairment, in particular related to neurodegenerative disease. However, scanty data are available on the role of odor threshold (OT), odor discrimination (OD), and odor identification (OI) as a predictor of cognitive impairment. The aim of this study was to evaluate potential correlations between each factor of the olfactory function versus each specific cognitive domain of the Montreal Cognitive Assessment (MoCA) test on healthy subjects in relation to gender and age. Methods: Sniffin’ Sticks and MoCA tests were used to determine olfactory function and cognitive abilities, respectively. Results: In men, significant correlations were found in OT versus language index score and OI versus language and executive index score, while in women, OD and OI were correlated to visuospatial index score. Conclusions: Our data suggested that olfactory function (OT, OD, and OI) may be considered a predictor for cognitive impairment in relation to gender and age.File | Size | Format | |
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Masala et al., 2024 biology-13-00503.pdf open access
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