n. A seasick-like feeling that afflicts some people when they wear virtual reality headsets.

Example Citation:
That seasick feeling some people get with virtual reality headsets. Caused by a conflict in the brain: the eyes register movement, but the inner ear doesn’t feel it.
—Gareth Branwyn, “Jargon Watch,” Wired, April 1, 1995

Earliest Citation:
The first step to success, says Linden Rhoads of Virtual i-O, “is moving away from a helmet paradigm to a glasses paradigm.” Glasses are lighter than helmets, and that helps reduce motion sickness — too much weight can throw off the brain’s sense of how to move. In the trade they call it “barfogenesis.”
—Adam Rogers, “Through a Glass, Darkly,” Newsweek, January 23, 1995

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