APTOPIX Spain Wireless Show Flagship Phones

People use equipment to play a virtual reality game at the Boston company stand during the Mobile World Congress wireless show, in Barcelona, Spain, Wednesday, Feb. 28, 2018. The annual Mobile World Congress (MWC) runs from 26 February - 1 March and draws over 2,300 exhibitors to Barcelona, including industry heavyweights Samsung, Huawei and Nokia. (AP Photo/Francisco Seco)

Because virtual-reality headsets and games are relatively new, there hasn't been much research into the effects of immersion in violent virtual worlds. But experts say that such gaming hyperrealism is unlikely to make much of a difference.

"That's an area that is ongoing and needs to be explored further, but games like 'Call of Duty,' are already pretty realistic," said Benjamin Burroughs, a professor of emerging media at the University of Nevada in Las Vegas. "I have a hard time thinking there's going to be a massive change in data due to the increased heightened sense of reality."

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