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As Light as Your Scent: Effects of Smell and Sound on Body Image Perception

Abstract : How people mentally represent their body appearance (i.e., body image perception - BIP) does not always match their actual body. BIP distortions can lead to a detriment in physical and emotional health. Recent works in HCI have shown that technology can be used to change people’s BIP through visual, tactile, proprioceptive, and auditory stimulation. This paper investigates, for the first time, the effect of olfactory stimuli, by looking at a possible enhancement of a known auditory effect on BIP. We present two studies building on emerging knowledge in the field of crossmodal correspondences. First, we explored the correspondences between scents and body shapes. Then, we investigated the impact of combined scents and sounds on one’s own BIP. Our results show that scent stimuli can be used to make participants feel lighter or heavier (i.e., using lemon or vanilla) and to enhance the effect of sound on perceived body lightness. We discuss how these findings can inform future research and design directions to overcome body misperception and create novel augmented and embodied experiences.
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Submitted on : Monday, June 22, 2020 - 3:51:34 PM
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Giada Brianza, Ana Tajadura-Jiménez, Emanuela Maggioni, Dario Pittera, Nadia Bianchi-Berthouze, et al.. As Light as Your Scent: Effects of Smell and Sound on Body Image Perception. 17th IFIP Conference on Human-Computer Interaction (INTERACT), Sep 2019, Paphos, Cyprus. pp.179-202, ⟨10.1007/978-3-030-29390-1_10⟩. ⟨hal-02877663⟩

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