"We've known for some time that human beings are limited to paying attention to no more than three objects at any one time," said Justin Halberda, assistant professor of psychological and brain sciences in the university's' Zanvyl Krieger School of Arts and Sciences.
"We report the rather surprising result that people can focus on more than three items at a time if those items share a common color," he said. "Our research suggests that the common color allows people to overcome the usual limit, because the 'color coding' enables them to perceive the separate individuals as a single set."
Thus: Miami Heat fans perceive their five white-jerseyed players as a unit in action against five blue-shirted Dallas Mavericks. England's football faithful can track their white-shirted field players against Sweden's yellow-garbed 10. (Since soccer goalies wear different colors than field players, though, fans of both clubs may have to think a moment before remembering which keeper goes with which team.)
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