Last Updated：2025/12/07
An optical illusion where, when a diagonally striped pole is rotated around its vertical axis (horizontally), it appears as though the stripes are moving in the direction of its vertical axis (downwards in the case of the animation to the right) rather than around it.
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barber pole illusion
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Source Word
barber pole illusion
Noun
Japanese Meaning
斜めの縞模様が施された柱が、垂直軸を中心に回転すると、実際には回転しているにもかかわらず縦方向（例では下方向）へと動いているように見える光学的錯覚。
（ plural ）
