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Psychology

Attentional Blink: Why Rapid Serial Targets Go Unnoticed

Quick fact

The term 'attentional blink' was coined in 1992, and studies show that even when the second target is clearly displayed, participants can miss it up to 40–50% of the time if it appears about 200–500 ms after the first target.

Why this is interesting

You're watching a rapid sequence of playing cards flashing on a screen. You're asked to spot two specific cards. When the second one appears, it often goes completely invisible—as if your brain blinked. Why does that happen?