If you're too focused, you might miss the gorilla in your midst

 If a guy in a gorilla suit walked in front of you, would you see him? Not so fast, Magilla. Researchers at Harvard discovered a startling attention-related effect based on the famous Invisible Gorilla study, in which participants were asked if they had spotted a man in a gorilla costume walk through a group of kids. In the most recent study, radiologists were asked if they’d seen an image of a gorilla shaking his fist superimposed on the slides they were using to search for cancer. Nope — 83 percent missed it. That’s comforting. This is known as “inattentional blindness,” in which people narrow their attention when performing challenging tasks, thus rendering them unable to diagnose angry gorillas. [Source]

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