Global Study of Variability in Olfactory Sensitivity

Fanari R;Masala C;
2020

Abstract

Variability in human olfactory sensitivity has been attributed to individual-level factors such as genetics, age, sex, medical history of infections and trauma, neurogenerative diseases, and emotional disorders. Scarce evidence exists on the cross-cultural variation in olfactory sensitivity. Hence, we performed 2 studies to estimate the variability in olfactory threshold as a function of location and environment. Study 1 involved 11 laboratories from 4 continents (N = 802). In each location, in a designated laboratory, approximately 80 subjects underwent olfactory sensitivity testing with custom-made tests with eucalyptol and phenylethanol (PEA) odors. Tests were based on the Threshold subtest of the Sniffin' Sticks battery. In Study 2, we compared olfactory sensitivity and suprathreshold perception of PEA and eucalyptol in 2 Chinese (N = 160) and 2 Indian (N = 92) populations-one based in their native country and the other in Germany. Both studies present large-scale evidence that olfactory sensitivity varies as a function of geographical location and suggest that environmental factors play an important role in shaping olfactory sensitivity and suprathreshold olfactory perception. We delineate further steps necessary to identify specific factors underlying uncovered variability and the relationship between olfactory sensitivity and suprathreshold odor perception.
Inglese
134
5
394
406
13
Esperti anonimi
internazionale
scientifica
Olfaction; Olfactory sensitivity; Mixed olfactory/trigeminal sensitivity; Smell
Oleszkiewicz, A; Alizadeh, R; Altundag, A; Chen, B; Corrai, A; Fanari, R; Farhadi, M; Gupta, N; Habel, R; Hudson, R; Hughes, Jl; Joshi, A; Kamrava, Sk; Luckett, C; Mahmut, Mk; Masala, C; Mori, E; Pellegrino, R; Piras, R; Resler, K; Rivas-Castro, A; Saluja, S; Sharma, S.
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
23
reserved
File in questo prodotto:
File Dimensione Formato  
Oleszkiewicz_et_al_2020_global_olfactory_sensitivity.pdf

Solo gestori archivio

Tipologia: versione editoriale
Dimensione 494.39 kB
Formato Adobe PDF
494.39 kB Adobe PDF   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Questionario e social

Condividi su:
Impostazioni cookie