🧠The Motion Aftereffect (The Waterfall Illusion) Stare at…
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🧠The Motion Aftereffect (The Waterfall Illusion)
Stare at a downward cascading waterfall or a spinning spiral for 30 seconds, then look at a stationary rock or the back of your hand. What happens?
💬 Have you ever experienced your hand or desk 'breathing' after watching a spiral? Tell us below! (Solution in first comment 👇)
#brain #motionaftereffect #waterfallillusion #cortex #biology
Stare at a downward cascading waterfall or a spinning spiral for 30 seconds, then look at a stationary rock or the back of your hand. What happens?
💬 Have you ever experienced your hand or desk 'breathing' after watching a spiral? Tell us below! (Solution in first comment 👇)
#brain #motionaftereffect #waterfallillusion #cortex #biology
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💡 SCIENCE BEHIND THE ILLUSION:
Motion-sensitive neurons in cortical area MT/V5 adapt and fatigue after continuous unidirectional motion. When you look at a static scene, the baseline firing rate of the opposing direction neurons dominates, making still objects crawl in reverse!
Motion-sensitive neurons in cortical area MT/V5 adapt and fatigue after continuous unidirectional motion. When you look at a static scene, the baseline firing rate of the opposing direction neurons dominates, making still objects crawl in reverse!
