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GM Aims to End Motion Sickness

As part of an effort to continually improve the way customers interact with vehicles, GM’s Human Factors group conducts about 100 studies globally each year, including some with younger subjects who come to check out Mom and Dad’s workplace.

“Working with children on Take Your Child to Work Day is an excellent way for us to expand our pool of feedback,” said Don Shreves, GM Human Factors engineering group manager.

Take Your Child to Work Day gives Shreves’ team an opportunity to evaluate how children of varying ages and sizes intermingle with vehicles, which supposedly allows better tailoring of Buick products for the entire family.

“Our group and research is very data-driven,” he said. “Designing every element to a vehicle comes down to millimeters. While a door handle placement or seat switch might feel right to the designing engineer, we come in with data points from real consumer feedback, including kids, to help determine the best location.”

Previous Take Your Child to Work Day studies included “the puke zone,” a measurement to determine ideal placement of the DVD screen to reduce motion sickness and enhance viewing.

“We know through other scientific research that even if our eyes are focused on a fixed point – if we can see the outside passing by in the window – our brain is telling us that we are moving,” Shreves said. “But if our eyes are at a downward angle and do not see the view outside the vehicle, our bodies become sensitive to motion and increase the chance of sickness.”

The team’s goal was to keep passenger’s eyes up and in a given spot. Determining that precise location required setting up a DVD screen on a track that could slide fore and aft along the roof of an Enclave. Researchers recorded the responses of more than 75 kids who were asked when the screen distance was too close and too far away.

From there, the data was graphed and compiled to determine the best location. Results were turned over to the vehicle engineering team to integrate into the Enclave’s design.

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