Optical Illusions
In Chapter 11, you learned about the anatomy of the human eye and the eye's blind spot. To experience your own blind spot, and to learn about other ways your brain interprets the output from your eye's neurons, play the visual games presented at this site
Visit the Tricks of the Eye, Wisdom of the Brain web site
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Color Perception
You learned in Chapter 11 that there are three types of cones in the eye's retina, sensitive to blue, green, or red light. This site will show you how your cone cells become fatigued.
Visit the Exploratorium, Bird in a Cage web site
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