Each time you blink you loose 450 milliseconds of visual information, that’s 6 seconds every minute. This means during a 150-minute film your eyes are shut for up to 15 minutes. But don’t worry about missing anything important because your brain subconsciously controls the timing of blinks so you don’t miss the action. Even more interesting is because we all tend to watch films the same way the entire audience often blinks in unison.
The synchronised blinks occurred at “non-critical” points during the silent movie – at the conclusion of an action sequence or when the main character had disappeared from view. “We all commonly find implicit breaks for blinking while viewing a video story,” Nakano says.
Geraint Rees at University College London thinks it is an interesting study. This synchronisation between individuals “implies that there’s something common to everyone that is triggering the blinks,” he says.
He points out that other studies have shown that brain activity across individuals can become synchronised when watching a movie. “The blinks may form one external manifestation of that, which may provide a window into understanding what people are thinking when they watch a movie.”
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