When using VR, women are more prone to have motion sickness than men. In response, the researchers proposed a new theory about the difference: the difference in posture. But not everyone agrees with this view.
Thomas Stoffregen of the University of Minnesota, USA, said: "Women are more prone to coma than men. We would like to know if this is true when using VR heads-up."
Stoffregen and his team conducted experiments on 36 people, half male and half female. The 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. In the end, only a few people feel sick. But in another game, the experimenter needed to explore a horror haunted house and found that 14 out of 18 women had motion sickness, while only 18 of 18 men felt nausea.
Why are women more vulnerable? Stoffregen thinks this is related to "postural sway": the subtle movements of our bodies when they stand or sit still. Stoffregen pointed out that the more swinging behaviors, the easier it is to feel sick.
Stoffregen's team measured the experimenter's posture swing. The 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 swaying posture.
But why are women more vulnerable? Stoffregen said: "Women tend to be smaller than men, they have different body shapes, and their feet are smaller than men of equal height. In a purely physical sense, women's body Stability will be lower, so any disturbing exercise stimuli will increase the likelihood of female body instability.
However, some people do not agree with this view. Bas Rokers from the University of Wisconsin-Madison points out that it is generally believed that the reason for motion sickness is that your senses provide conflicting information. “Such as seasickness: you are looking at the horizon, the horizon is stable, but you The balance system tells you that you are moving."
Rokers' team discussed whether this applies to VR-induced nausea. "We found that those who perceive differences in the information provided by the eye and the balance system are more likely to suffer from motion sickness," said Rokers. "And, on average, women find subtle visual differences more easily 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's motion sickness.
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