Concept
Version 13
Created by Boundless
Perceiving Motion
![Barber pole illusion](../../../../../../../../../figures.boundless-cdn.com/20042/full/rberpole-illusion-animated.gif)
Barber pole illusion
In the barber pole illusion, a barber pole is rotated along the x-axis, but the diagonal stripes appear to move down the pole's y-axis in a way that is inconsistent with the actual direction the pole is turning in.
Source
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"Barberpole illusion animated."
http://commons.wikimedia.org/wiki/File:Barberpole_illusion_animated.gif
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