Shortly after the latest release of Apple’s iOS 7 software for the iPhone and iPad, you might have been one of some who were feeling queasy just a few seconds into navigating your old phone with its new look. Software engineers were geared up to hear the usual string of feedback hanging on unrealized kinks needing worked out. But what they didn’t anticipate was the slough of complaints about motion sickness and vertigo the new operating system is causing among some.

From users and the company’s official support thread, the complaints were quick and clear: some users become dizzy when the iOS 7 zooms in and out as they switch between applications. Additionally, some of the animations may likewise cause motion sickness.

What’s happening is that as signals that are coming into the brain and central nervous system aren’t matching up. This is the same thing that happens when you become sea sick or carsick as your eyes, unable to see the change in movement between the stable objects in the distance as they become closer and further away in motion.  What happens next is that your brain, receiving mixed messages, throws your sense of balance off and creates the telltale nausea, dizziness or sense of spinning.

With the new operating system, the exact same principle is happening, except in reverse—while users are physically stable, their eyes pick up on movement in the animations that are not corresponding to what their bodies are feeling.

How to fix the problem:

Go to General -> Accessibility -> Reduce Motion, and turn the setting on. The backgrounds will no longer twist.

reduce motion

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