Motion Sickness Relief Tone

Recent research from Nagoya University has found that a specific 100 Hz pure tone can effectively alleviate motion sickness symptoms. This "sound spice®" technology stimulates the otolithic organs in the inner ear, which are responsible for detecting linear acceleration and gravity, thereby improving balance and spatial orientation.

Key findings include:

• Significant Reduction in Symptoms: Even one minute of exposure to the 100 Hz tone at a safe sound pressure level (around 80-85 dBZ) reduced motion sickness symptoms like nausea and dizziness in human trials involving driving simulators, swings, and real cars.
• Objective Improvements: Posturography and electrocardiography (ECG) analysis showed improved balance and a positive modulation of the autonomic nervous system (reduced sympathetic nerve activity), which is often dysregulated in motion sickness.
• Lasting Effect: In mice studies, the motion-sickness-alleviating effect of a 5-minute exposure to the 100 Hz tone lasted for over two hours.
• Safety and Simplicity: The sound level is within the range of everyday environmental noise, suggesting a safe and practical approach for preventing motion sickness in various travel situations.