Posture swing makes it easier for women to develop motion sickness in virtual reality

Dizziness is a painful experience, and virtual reality now has a well-known problem of motion sickness. In virtual reality, people are prone to dizziness and nausea, which makes the virtual reality experience hinder. When using VR, women are more prone to motion sickness than men. In response, the researchers proposed a new theory of the difference: the difference in posture. But not everyone agrees with this view. Thomas Stoffregen of the University of Minnesota said: "Women are more prone to motion sickness than men. We want to know if it is the same when using VR heads." Stoffregen and his team experimented with 36 people, half male and half female. . These 36 people will play two VR games through the Oculus Rift head.

In a game, the experimenter needs to push a piece of marble in the maze, and finally only a few people feel sick. But in another game, the experimenter needed to explore the horrible haunted house and found that 14 out of 18 women had motion sickness, while only 18 of the 18 men felt sick. Why are women more susceptible? Stoffregen thinks this is related to postural sway: the subtle movements of our body while standing or sitting still. Stoffregen pointed out that the more swinging behavior, the easier it is to feel sick.

Posture swing makes it easier for women to develop motion sickness in virtual reality


Stoffregen's team measured the pose swing of the experimenter. Researchers will ask the experimenter to stand on a force plate before they start playing VR games. The results showed that participants who developed VR motion sickness showed a staggering posture. But why are women more susceptible? Stoffregen said: “Women’s physique is often smaller than men’s, they have different body shapes, and their feet are smaller than men of the same height. In purely physical sense, the female body’s Stability will be low, so any disturbing motor stimuli will increase the likelihood of instability in women. But some people disagree with this view. Bas Rokers from the University of Wisconsin-Madison pointed out that people generally think that halo The cause of motility is that your senses provide conflicting information. "For example, seasickness: You are looking at the horizon, the horizon is stable, but your balance system tells you that you are moving. ”

Rokers' team explored whether this applies to VR-induced nausea.

“We found that people who perceive differences in the information provided by the eye and the balance system are more likely to develop motion sickness,” Rokers said. “And, on average, women are more likely to find subtle visual differences than men. In short, in order to solve the problem of VR motion sickness, we may have to first find out the cause of people with motion sickness.

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