1. Over time, as sensory receptors grow accustomed to constant, unchanging levels of stimuli -- sights, sounds, smells -- we notice them less and less. This is called

2. This process is where receptors change or convert sensory stimulation into neural impulses, the electrochemical language of the brain.

3. When you attempt to read fine print you are trying to focus the images of the small letters on your:

4. The loudness of sounds is measured using a unit called the __________.

5. Place theory does not adequately explain the ability to detect

6. Sound waves are amplified in the middle ear by tiny bones called the hammer, anvil and the stirrup, which serves to push against the __________ and set fluid in the cochlea in motion.

7. The ______ principle of perceptual organization holds that objects that are close together in space or time are usually perceived as belonging together.

8. The _____ were interested in reducing experience to basic sensations.

9. In the Ponzo illusion, two bars of equal length are superimposed over a picture of railroad tracks that recede into the distance. As the tracks recede, they converge toward a single point toward the top of the photo. One reason that the bars appear to be of unequal lengths is because the illusion takes advantage of

10. Little Megan watches from the car as her parents drive away from her grandfather's house. Because of __________, Megan knows that her grandfather's house remains the same size, even though the image gets smaller as they drive farther away.

Name: