This article titled “Dizzying optical illusions by Akiyoshi Kitaoka – in pictures” was written by , for theguardian.com on Tuesday 5th August 2014 16.36 UTC Rotating Snakes – the circular snakes appear to rotate spontaneously in your peripheral vision as a result of the peripheral drift illusion. Notice how the movement stops when you look directly at a collection of concentric circles. The illusion is probably caused by unconscious rapid eye movements and blinking Snake Conveyors is another peripheral drift illusion. Blinking may enhance the effect Autumn Colour Swamp. Try moving your browser window rapidly up and down (or scroll) to enhance the effect Rollers appear to rotate Construction of a Subway by Rabbits: the inner circle seems to rotate clockwise while the outer circle rotates anti-clockwise. It helps if you don’t look straight at it Primrose Field: the checkered background and squares appear to undulate. Moving your browser window or scrolling enhances the effect Red Frog Eggs Button Yokai. As you move your eyes around the picture, the buttons seem to get bigger Irrigation. The contents of the central channel move slowly upwards Swimming Rings appear to approach each other and move apart guardian.co.uk © Guardian News & Media Limited 2010 Published via the Guardian News Feed plugin for WordPress.