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Open AccessArticle

Environmental Sounds Influence the Multisensory Perception of Chocolate Gelati

1
Department of Food Science, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
2
Department of Psychology, Auckland University of Technology, Private Bag 92006, Auckland 1142, New Zealand
3
Crossmodal Research Laboratory, Department of Experimental Psychology, Anna Watts Building, University of Oxford, Oxford OX2 6GG, UK
*
Author to whom correspondence should be addressed.
Foods 2019, 8(4), 124; https://doi.org/10.3390/foods8040124
Received: 12 March 2019 / Revised: 8 April 2019 / Accepted: 10 April 2019 / Published: 15 April 2019
Recently, it has been shown that various auditory stimuli modulate flavour perception. The present study attempts to understand the effects of environmental sounds (park, food court, fast food restaurant, cafe, and bar sounds) on the perception of chocolate gelato (specifically, sweet, bitter, milky, creamy, cocoa, roasted, and vanilla notes) using the Temporal Check-All-That-Apply (TCATA) method. Additionally, affective ratings of the auditory stimuli were obtained using the Self-Assessment Manikin (SAM) in terms of their valence, arousal, and dominance. In total, 58 panellists rated the sounds and chocolate gelato in a sensory laboratory. The results revealed that bitterness, roasted, and cocoa notes were more evident when the bar, fast food, and food court sounds were played. Meanwhile, sweetness was cited more in the early mastication period when listening to park and café sounds. The park sound was significantly higher in valence, while the bar sound was significantly higher in arousal. Dominance was significantly higher for the fast food restaurant, food court, and bar sound conditions. Intriguingly, the valence evoked by the pleasant park sound was positively correlated with the sweetness of the gelato. Meanwhile, the arousal associated with bar sounds was positively correlated with bitterness, roasted, and cocoa attributes. Taken together, these results clearly demonstrate that people’s perception of the flavour of gelato varied with the different real-world sounds used in this study. View Full-Text
Keywords: TCATA; crossmodal; core affect; psychoacoustics; ice cream TCATA; crossmodal; core affect; psychoacoustics; ice cream
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Lin, Y.H.T.; Hamid, N.; Shepherd, D.; Kantono, K.; Spence, C. Environmental Sounds Influence the Multisensory Perception of Chocolate Gelati. Foods 2019, 8, 124.

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