^TagVision

Have you ever looked desperately for something—your passport perhaps—and then found, half an hour later, that it was right in front of you all the time? Inconspicuous but not really invisible? “Hiding in plain sight,” as the saying goes. It happens to everyone. We wonder why we didn’t find it before. But some enterprising researchers asked a different question: Why do we find it later? And they have come up with an explanation from the way our brains work: They found that patterns of neural signals, called traveling brain waves, exist in the visual system of the awake brain and are organized to allow the brain to perceive objects that are faint or otherwise difficult to see. Salk News, “Traveling Read More ›