Daphne Bavelier is professor of brain and cognitive sciences at the University of Rochester. She studies young people playing action video games. Having now conducted more than 20 studies on the topic, Bavelier says... Her studies show that video gamers show improved skills in vision, attention and certain aspects of cognition. And these skills are not just gaming skills, but real-world skills. They perform better than non-gamers on certain tests of attention, speed, accuracy, vision and multitasking, says Bavelier.
Vision, for example, is improved in gamers. Specifically, the kind of vision called "contrast sensitivity," that is, the ability to see subtle shades of gray. Gamers, Bavelier has also found, have better attention than non-gamers — they stay focused. They are able to detect, for example, new information coming at them faster. So as a result, they are more efficient.
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