Abstract
Olfaction is notorious as a vague and ambiguous sense. Some researches proposed a method that takes advantage of the feature to present more kinds of odors than the actual number of fragrances. However, it is still unclear what kind of factors affect the optimization of olfactory modulation. This paper investigated the effect of differences in methods to present heat sensation including presentation setups, areas, and positions of heat sensation. The heat sensation is stimulated by air flow and metal contact with a fan heater or a Peltier device. The heat sensation is presented to either apex of nose, philtrum, left cheek, or right cheek. In the experiment, the subjects were instructed to answer the scores to the odor of R-(+)-limonene and the odorless air presented with heat sensation compared to the odor impressions at room temperature by Likert scale questionnaire for the 8 adjective pairs. The experimental results suggested that the perceived odor impressions of R-(+)-limonene differed strongly depending on the presentation methods other than the presented temperature and humidity. In particular, presenting in a large area around the nose are considered more capable of modulating odor perception than the other methods.
This work was supported by JSPS KAKENHI Grant Number 19K14947.
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Okamoto, Y., Matsukura, H., Sato, K. (2021). Modulation of Olfactory Perception by Presenting Heat Sensation: Effects of Different Methods on Degree of Olfactory Perception Modulation. In: Stephanidis, C., Antona, M., Ntoa, S. (eds) HCI International 2021 - Posters. HCII 2021. Communications in Computer and Information Science, vol 1419. Springer, Cham. https://doi.org/10.1007/978-3-030-78635-9_21
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