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Barber Pole illusion - Optical Illusions Pictures

The Barber pole illusion is a visual illusion that reveals biases in the processing of visual motion in the human brain. 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.

Barber Pole illusion

Barber Pole illusion

Barber Pole illusion