Motion Illusion

The term illusory motion, also known as motion illusion, is an optical illusion in which a static image appears to be moving due to the cognitive effects of interacting color contrasts and shape position. (Wikipedia)

Motion illusion

The appearance of movement in a static image.

Motion illusion

Anomalous motion illusion

Rotating snakes

Button creature

3 Snakes

concentric circles

The concentric circles, here, appear to spin. By Gianni Sarcone.

Additional images:
Image source: www.flickr.com Optical illusion
Image source: www.flickr.com Roto rings
Image source: www.flickr.com Ghosts: Expanding circles
Image source: www.flickr.com Waves optical illusions
Image source: www.flickr.com Chevron Spin optical illusions
Image source: www.flickr.com Clock
Image source: www.flickr.com Sakuranagare
Image source: www.flickr.com Curtain
Image source: www.flickr.com Motion illusionss
Image source: www.flickr.com Away
Image source: www.flickr.com DVD
Image source: www.flickr.com Global warming
Image source: www.flickr.com Twilight zone
Image source: www.flickr.com Rotation Blocks
Image source: www.flickr.com rotfuji
Image source: www.flickr.com Purple snakes
Image source: www.flickr.com Rotation Blocks