Topic: Blinking.
It's not that strange that we blink: The tenth-of-a-second-long activity clears away dust particles and spreads lubricating fluids across the eyeball. What is strange, though, is that we fail to notice the world plunging into darkness every two to 10 seconds!
Scientists have found that the human brain has a talent for ignoring the momentary blackout. The very act of blinking suppresses activity in several areas of the brain responsible for detecting environmental changes, so that you experience the world around you as continuous.
It's not that strange that we blink: The tenth-of-a-second-long activity clears away dust particles and spreads lubricating fluids across the eyeball. What is strange, though, is that we fail to notice the world plunging into darkness every two to 10 seconds!
Scientists have found that the human brain has a talent for ignoring the momentary blackout. The very act of blinking suppresses activity in several areas of the brain responsible for detecting environmental changes, so that you experience the world around you as continuous.
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