Observing without using your vision. Rely on your hearing, smell, touch or taste (if appropriate) to navigate your environment. During this time try to perform several different tasks that you would normally, such as picking up an object, while not using your vision. Close your eyes to impair your vision.

What are the basic processes underlying the sense of vision?

What other senses were you using and how did you use them to accomplish your tasks to perceive the world around you?

What information did you pick up on that you may have ignored if you were using your sense of vision?

Define habituation and sensory adaptation?

Describe how your perception might change if one of your senses was permanently lost.