Physiological illusions

 Physiological illusions are the effects on the eyes and brain of excessive stimulation of a specific       type. Artists may use color or movement to confuse the viewers' eyes and brains. 

Akiyoshi Kitaoka: Rotating Rays

Bridget Riley: Movement in Squares.

Artists that use Physiological Illusions:

Bridget Riley 

Akiyoshi Kitaoka

LINKS TO EXPLORE:

http://www.webexhibits.org/colorart/riley.html

http://www.ritsumei.ac.jp/~akitaoka/index-e.html