Playing action-based video games has been shown to improve attentional processing. A study now finds that it also induces long-lasting improvements in contrast sensitivity, a basic visual function that commonly deteriorates with age. These improvements do not happen for an equivalent group who played a non-action video game.
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Caplovitz, G., Kastner, S. Carrot sticks or joysticks: video games improve vision. Nat Neurosci 12, 527–528 (2009). https://doi.org/10.1038/nn0509-527
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