In a 1913 experiment, subjects detected whether someone o... | funfact.wiki | funfact.wiki
In a 1913 experiment, subjects detected whether someone outside their vision was watching them with only 50.2% accuracy—essentially random chance. Our belief we can sense stares is confirmation bias: we remember the hits and forget the misses.
A baseball outfielder does not calculate where a fly ball will land. They simply run while keeping their line of sight to the ball at a constant angle. Falcons hunting ducks use the same method. This instinctive tracking is called the gaze heuristic.