If everything fades into the background, you may have a high IQ

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The absent-minded professor is a classic image: someone who’s lost in deep thoughts all the time but pays very little attention to the what’s going on right in front of them. Well, there may be a little something to that cliché (if only just a little) if a study published this week in Current Biology is to be believed. The study showed that IQ scores, an imperfect measure of people’s general mental faculties, correlated with their tendency to ignore an image that may be mistaken for background visual noise.

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Story added 27. May 2013, content source with full text you can find at link above.