The Potential of Olfactory Stimuli in Stress Reduction through Virtual Reality
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arXiv
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911052554305536 |
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| author | Valdivieso, Yasmin Elsaddik Faisal, Mohd Alghoul, Karim Monireh Vahdati Hamlabadi, Kamran Gholizadeh Laamarti, Fedwa Osman, Hussein Al Saddik, Abdulmotaleb El |
| author_facet | Valdivieso, Yasmin Elsaddik Faisal, Mohd Alghoul, Karim Monireh Vahdati Hamlabadi, Kamran Gholizadeh Laamarti, Fedwa Osman, Hussein Al Saddik, Abdulmotaleb El |
| contents | Immersive virtual reality (VR) is a promising tool for stress reduction and relaxation, traditionally relying on visual and auditory stimuli. This study examines the role of olfactory stimuli in enhancing these effects, using a randomized within-subject design. Thirty participants aged 18-60 experienced VR scenarios simulating a calming seaside environment, with sessions lasting 45 minutes, in two conditions: with and without a "Beach" essential oil scent (Yankee Candle) administered via diffuser. Stress and relaxation were assessed through self-reported surveys and physiological measures, specifically ECG-based heart rate variability (HRV). Results showed no significant difference in self-reported relaxation scores (p=0.371) between conditions, but HRV analysis revealed a significant stress reduction (p=0.002) with olfactory input, with HF increasing 108% from the Math Stress Test to the scented relaxation condition, compared to 44% without scent. Additionally, 71.4% of participants expressed willingness to use olfactory-enhanced VR for relaxation, suggesting practical appeal. These findings indicate that olfactory stimuli may enhance relaxation subconsciously, underscoring the importance of multisensory integration in VR. Future work could explore personalized scents and long-term effects to optimize VR- based interventions for emotional and physical well-being. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_07911 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Potential of Olfactory Stimuli in Stress Reduction through Virtual Reality Valdivieso, Yasmin Elsaddik Faisal, Mohd Alghoul, Karim Monireh Vahdati Hamlabadi, Kamran Gholizadeh Laamarti, Fedwa Osman, Hussein Al Saddik, Abdulmotaleb El Multimedia Human-Computer Interaction Immersive virtual reality (VR) is a promising tool for stress reduction and relaxation, traditionally relying on visual and auditory stimuli. This study examines the role of olfactory stimuli in enhancing these effects, using a randomized within-subject design. Thirty participants aged 18-60 experienced VR scenarios simulating a calming seaside environment, with sessions lasting 45 minutes, in two conditions: with and without a "Beach" essential oil scent (Yankee Candle) administered via diffuser. Stress and relaxation were assessed through self-reported surveys and physiological measures, specifically ECG-based heart rate variability (HRV). Results showed no significant difference in self-reported relaxation scores (p=0.371) between conditions, but HRV analysis revealed a significant stress reduction (p=0.002) with olfactory input, with HF increasing 108% from the Math Stress Test to the scented relaxation condition, compared to 44% without scent. Additionally, 71.4% of participants expressed willingness to use olfactory-enhanced VR for relaxation, suggesting practical appeal. These findings indicate that olfactory stimuli may enhance relaxation subconsciously, underscoring the importance of multisensory integration in VR. Future work could explore personalized scents and long-term effects to optimize VR- based interventions for emotional and physical well-being. |
| title | The Potential of Olfactory Stimuli in Stress Reduction through Virtual Reality |
| topic | Multimedia Human-Computer Interaction |
| url | https://arxiv.org/abs/2507.07911 |