Performance on an odor detection and identification test as a predictor of ortho- and retronasal odor intensity ratings in the young and elderly
2005
Koskinen, S. | Tuorila, H.
Two experiments were conducted to examine whether performance on the European Test of Olfactory Capabilities (ETOC, 16 odors to be detected and identified) can predict ortho- and retronasal odor intensity ratings. In Experiment 1 (Exp1), vanilla (0-0.31%) in a beverage (whey drink) was rated for ortho- and retronasal intensity and the ETOC was performed by elderly (n = 27, 66-83, mean 74.4 years) and young (n = 32, 22-36, mean 26.0 years). In Experiment 2 (Exp2), 17 elderly (67-84, mean 74.9 years) and 10 young (22-29, mean 25.9 years) performed the ETOC and rated varying concentrations of vanilla and lemon in aqueous solutions, grape juice and yogurt for ortho- and retronasal intensity. For the young, the mean detection/identification scores of the ETOC were 15.8/14.0 (Exp1), and 15.6/13.2 (Exp2). The corresponding scores for the elderly were 14.6/10.6 (Exp1) and 13.0/7.9 (Exp2).
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