The perception of wine aroma is an excellent example of the human ability to experience multiple sensations as a single gestalt, i.e. a configural perception or as a top-down process. For example, the same wine recognized as Riesling could, after some time spent on analysis, yield, “This Riesling has a moderate petrol aroma and a faint lemon smell.” Recent studies of binary mixtures showed that only similar odors cross-adapt while dissimilar odors suppress each other in mixtures, indicating a possible explanation for the suppression of fruity/floral by 2,2,1-trimethyl- dihydronaphthalene (TDN) in Riesling.
Novel methods for testing olfactory and visual interactions were devised. Visual stimuli were the outlines of cherries and a banana; olfactory stimuli were benzaldehyde and isoamyl acetate. Perithreshold detection levels for visual stimuli and olfactory stimuli were calculated. An olfactory task (OF) and visual task (VF) were tested. The OF task required panelists to perform an odor task while viewing an image; the VF task required panelists to perform a visual task while sniffing an odor. No significant changes in detection sensitivity were found in either the OF or VF tasks when either the visual or olfactory stimuli were congruent or incongruent.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.