Soldiers experience cognitive blink when they don't execute new orders.
A deer stops and stares because he is evaluating the threat level of another deer during mating season.
A painter goes through his paint buckets in the garage to decide which ones have become useless or dried out, but then stops and searches his surroundings because of suspicious noise that sounded like a rat.
Don't blink, Blink and you're dead, don't blink. Don't turn your back, don't look away and don't blink. When you see the wheeping angels then you'll know. Don't let them inside the blue box.