Seeing Is Believing Or Is It?

Seeing Is Believing -- Or Is It?

If you look at a picture, do you see the same thing each time?

These examples illustrate some of the many complex processes your brain uses to interpret visual stimuli. You know that the eyes play a crucial role in vision, but these examples illustrate that the brain is also crucial for vision.

Make sure that you measure those pictures that simply do not seem possible!

1.  What do you see?
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______/ 2. What do you see? Are all three the same size? Measure it to be sure!
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3. What do you see?
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5. What do you see?
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______/ 6. What do you see? Is there anything wrong with this picture?
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7. What do you see?
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______/ 8. What do you see?
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9. What do you see?
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______/ 10. What do you see? Can you find all 7 faces?
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11. Alright, right now you can see both an x and circle. Close or cover up one your left eye. Now SLOWLY move your head closer to the screen and stay focused on only the X. As you get about six inches from the computer screen, you'll see that the circle has actually disappeared. You just found your blind spot!

12. This is a picture of a mammal. What is it? ______

After you have figured out what mammal is shown in this picture, look at the picture again and try to not see this mammal. Can you? Why do you think that is?

13. In the picture on the left, do the two women look approximately the same size or different? In the picture on the right, do the two women look approximately the same size or different?

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What accounts for the difference in apparent relative sizes in the picture on the left vs. the picture on the right?

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