Researchers at the University of Toronto were interested in seeing where people concentrate their attention at first glance. So they set up an experiment in which participants looked at a computer screen and had to identify a target that flashed momentarily amid a bunch of distracting symbols. The results showed that people were most likely to spot the target when it appeared in the upper half of the screen. The findings, the researchers say, “could make a difference in determining where to locate traffic signs to make them more noticeable to drivers, or where to place important information on a website to highlight that information for users.”

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