.How the Eye Functions

.How the Brain functions

.Some other optical illusions

. More optical     illusions                 

Citations:

-Spiral Picture:

taylor.teamtaylormade.com

-Optical Illusions, "Why you are Fooled" Information:

Cobb, Vicki. How to Really Fool Yourself. New York: John Wiley and Sons Inc., 1999. Page 46.

What do you see in the picture?

Why are you fooled?

Is the book opening towards you or

away from you???

Which corner is nearest you??

You are fooled because your brain can't decide what it is looking at, so first you see one thing, then you see something else.