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Sound therapy effectively reduces motion sickness by stimulating inner ear -- Nagoya University
https://medicalxpress.com/news/2025-04-therapy-effectively-motion-sickness-ear.htmlA research group led by Takumi Kagawa and Masashi Kato at Nagoya University Graduate School of Medicine has discovered that using "a unique sound stimulation technology"—a device that stimulates the inner ear with a specific wavelength of sound—reduces motion sickness. Even a single minute of stimulation reduced the staggering and discomfort felt by people that read in a moving vehicle.
The results, published in Environmental Health and Preventive Medicine, suggest a simple and effective way to treat this common disorder.
"Our study demonstrated that short-term stimulation using a unique sound called 'sound spice' alleviates symptoms of motion sickness, such as nausea and dizziness," Kagawa said. "The effective sound level falls within the range of everyday environmental noise exposure, suggesting that the sound technology is both effective and safe."
The discovery is an important expansion of recent findings about sound and its effect on the inner ear. Increasing evidence has suggested that stimulating the part of the inner ear associated with balance using a unique sound can potentially improve balance. Using a mouse model and humans, the researchers identified a unique sound at 100 Hz as being the optimal frequency.
The results, published in Environmental Health and Preventive Medicine, suggest a simple and effective way to treat this common disorder.
"Our study demonstrated that short-term stimulation using a unique sound called 'sound spice' alleviates symptoms of motion sickness, such as nausea and dizziness," Kagawa said. "The effective sound level falls within the range of everyday environmental noise exposure, suggesting that the sound technology is both effective and safe."
The discovery is an important expansion of recent findings about sound and its effect on the inner ear. Increasing evidence has suggested that stimulating the part of the inner ear associated with balance using a unique sound can potentially improve balance. Using a mouse model and humans, the researchers identified a unique sound at 100 Hz as being the optimal frequency.
Paper: https://www.jstage.jst.go.jp/article/ehpm/30/0/30_24-00247/_article
Pdf free 1.2 MB
https://www.jstage.jst.go.jp/article/ehpm/30/0/30_24-00247/_pdf/-char/en
That's somewhere between G and A♭near the bottom of your bass clef. (Piano)