Odor-Taste Interactions in Food Perception: Exposure Protocol Shows No Effects of Associative Learning

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Fondberg, RobinKarolinska Institutet (författare)

Odor-Taste Interactions in Food Perception : Exposure Protocol Shows No Effects of Associative Learning

Artikel/kapitelEngelska2021

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2021-01-21
Oxford University Press (OUP),2021
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Nummerbeteckningar

LIBRIS-ID:oai:DiVA.org:su-195947
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-195947URI
https://doi.org/10.1093/chemse/bjab003DOI
http://kipublications.ki.se/Default.aspx?queryparsed=id:149050759URI

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Språk:engelska
Sammanfattning på:engelska

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Anmärkningar

Repeated exposure can change the perceptual and hedonic features of flavor. Associative learning during which a flavor's odor component is affected by co-exposure with taste is thought to be central in this process. However, changes can also arise due to exposure to the odor in itself. The aim of this study was to dissociate effects of associative learning from effects of exposure without taste by repeatedly presenting one odor together with sucrose and a second odor alone. Sixty individuals attended two testing sessions separated by a 5-day Exposure Phase during which the stimuli were presented as flavorants in chewing gums that were chewed three times daily. Ratings of odor sweetness, odor pleasantness, odor intensity enhancement by taste, and odor referral to the mouth were collected at both sessions. Consistent with the notion that food preferences are modulated by exposure, odor pleasantness increased between the sessions independently of whether the odor (basil or orange flower) had been presented with or without sucrose. However, we found no evidence of associative learning in any of the tasks. In addition, exploratory equivalence tests suggested that these effects were either absent or insignificant in magnitude. Taken together, our results suggest that the hypothesized effects of associative learning are either smaller than previously thought or highly dependent on the experimental setting. Future studies are needed to evaluate the relative support for these explanations and, if experimental conditions can be identified that reliably produce such effects, to identify factors that regulate the formation of new odor-taste associations.

Ämnesord och genrebeteckningar

LANTBRUKSVETENSKAPER Annan lantbruksvetenskap hsv//swe
AGRICULTURAL SCIENCES Other Agricultural Sciences hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Medicinska och farmaceutiska grundvetenskaper Neurovetenskaper hsv//swe
MEDICAL AND HEALTH SCIENCES Basic Medicine Neurosciences hsv//eng
associative learning
conditioning
flavor
flavor binding
mere-exposure

Biuppslag (personer, institutioner, konferenser, titlar ...)

Lundström, Johan N.Stockholms universitet,Institutionen för lingvistik,Karolinska Institutet, Sweden; Monell Chemical Senses Center, United States; University of Pennsylvania, United States(Swepub:su)nilu6044 (författare)
Seubert, JaninaKarolinska Institutet (författare)
Karolinska InstitutetInstitutionen för lingvistik (creator_code:org_t)

Sammanhörande titlar

Ingår i:Chemical Senses: Oxford University Press (OUP)46, s. 1-140379-864X1464-3553

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Chemical Senses (Sök värdpublikationen i LIBRIS)

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Av författaren/redakt...: Fondberg, Robin; Lundström, Johan ...; Seubert, Janina

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LANTBRUKSVETENSKAPER: LANTBRUKSVETENSK ...; och Annan lantbruksv ...

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Medicinska och f ...; och Neurovetenskaper

Artiklar i publikationen: Chemical Senses

Av lärosätet: Stockholms universitet; Karolinska Institutet

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