Nimesha Ranasinghe
Ellen Yi-Luen Do
ABSTRACT
Being a pleasurable sensation, sweetness is recognized as the most preferred sensation among the five primary taste sensations. In this paper, we present a novel method to virtually simulate the sensation of sweetness by applying thermal stimulation to the tip of the human tongue. To digitally simulate the sensation of sweetness, the system delivers rapid heating and cooling stimuli to the tongue via a 2x2 grid of Peltier elements. To achieve distinct, controlled, and synchronized temperature variations in the stimuli, a control module is used to regulate each of the Peltier elements. Results from our preliminary experiments suggest that the participants were able to perceive mild sweetness on the tip of their tongue while using the proposed system.
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Cross Ref
- Lustig, R. H., Schmidt, L. A., and Brindis, C. D. Public health: the toxic truth about sugar. Nature 482, 7383 (2012), 27--29.Google ScholarCross Ref
- Ranasinghe, N., Nakatsu, R., Nii, H., and Gopalakrishnakone, P. Tongue mounted interface for digitally actuating the sense of taste. In 2012 16th International Symposium on Wearable Computers, IEEE (2012), 80--87. Google ScholarDigital Library
- Talavera, K., Yasumatsu, K., Voets, T., Droogmans, G., Shigemura, N., Ninomiya, Y., Margolskee, R., and Nilius, B. Heat activation of TRPM5 underlies thermal sensitivity of sweet taste. Nature 438, 7070 (2005), 1022--1025.Google ScholarCross Ref
Index Terms
- Virtual Sweet: Simulating Sweet Sensation Using Thermal Stimulation on the Tip of the Tongue
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