✦ Global Motion Perception Test: Find the Flow in Noise
A field of 110 dots moves at once. Most drift randomly while only a fraction share one of four directions. Identify that common flow after the display vanishes. Two correct answers reduce the coherent fraction and a miss raises it, so 12 adaptive rounds measure how well your vision combines local motion into one global signal.
💡 How to play — A cloud of dots moves at once. Most wander randomly, but some share one direction. Find that global flow and choose its direction after the dots disappear. Two correct answers reduce the signal; a miss makes it stronger. Twelve rounds, with four-choice scoring balanced so random guessing averages zero.
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📊 Result
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