The subjects are tested while watching an insignificant movie in the car. The visuals feature swimming fish rather than a major blockbuster, so as not to trigger any emotions such as tension or happiness. The candidates rate their state of health on a tablet. “I didn’t think I was that sensitive, but I felt queasy after just a few minutes,” reported Thiemann.
In a second phase, the two researchers Brietzke and Pham Xuan worked together with their Audi colleague Franziska Gohlke to trial measures designed to prevent travel sickness from the outset. This involved making adjustments such as changes to the chassis. “This is intended to reduce the symptoms experienced as a passenger and in self-driving cars,” explains Gohlke.