Go stand in front of a mirror. Hold still, and look around, moving only your eyes. Look left, right, up, down. Look at one eye, then the other. Their reflection is right there in front of you, but no matter how hard you try, you'll never see your eyes move. That's because when your eyes are in motion, you briefly go blind — and you can't even tell. This phenomenon is called "saccadic masking."
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Written by Mae Rice August 14, 2018
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