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Scientists spot what may lead to motion sickness after VR experience


IANS Toronto
Researchers may now predict who are more likely to feel motion sickness from virtual reality (VR) technology by observing how the individuals sway in response to a moving visual field.
The researchers from the University of Waterloo believe that this knowledge will help them to develop counteractions to cybersickness.
Cybersickness involves nausea and discomfort that can last for hours after participating in VR applications, which have become prevalent in gaming, skills training and clinical rehabilitation.
"Despite decreased costs and significant benefits offered by VR, a large number of users are unable to use the technology for more than a brief period because it can make them feel sick," said lead author Seamas Weech from the varsity.
"Our results show that this is partly due to differences in how individuals use vision to control their balance. By refining our predictive model, we will be able to rapidly assess an individual's tolerance for virtual reality and tailor their experience accordingly," Weech added.
For the study, published in the Journal of Neurophysiology, the researchers collected several sensorimotor measures, such as balance control and self-motion sensitivity, from a small group of healthy participants aged 18-30.
The researchers then exposed the participants to VR with the aim of predicting the severity of motion sickness.
Using a regression model, they significantly predicted how much cybersickness participants experienced after being exposed to a zero-gravity space simulator in VR.
"Knowing who might suffer from cybersickness, and why, allows us to develop targeted interventions to help reduce, or even prevent, the onset of symptoms," said senior author Michael Barnett-Cowan, Professor at the varsity.
"Considering this technology is in a growth phase with industries such as gaming, design, medicine and automotive starting to use it, understanding who is negatively impacted and how to help them is crucial," he added.

Disclaimer: No Business Standard Journalist was involved in creation of this content

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First Published: Sep 27 2018 | 4:12 PM IST

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