| A | B |
|---|
| lens | flexible, transparent structure in the eye that changes its shape to focus light on the retina |
| auditory nerve | carries impulses from the inner ear to the brain, resulting in the sensation of sound |
| olfactory nerve | carries smell impulses from the nose to the brain |
| retina | innermost coating of the back of the eye, containing the light-sensitive receptor cells |
| pupil | the eye structure that controls the amount of light entering the eye |
| optic nerve | the eye structure that carries neuronal impulses to the brain |
| color deficiency | when some or all of the cones do not function properly |
| retinal disparity | the differences between the images stimulating each eye |
| subliminal messages | brief auditory or visual messages that are presented below the absolute threshold |
| motion parallax | apparent movement of stationary objects relative to one another that occurs when the observer changes position |
| illusions | perceptions that misrepresent physical stimuli |
| Gestalt | experience that comes from organizing bits and pieces of information into meaningful wholes |
| constancy | tendency to perceive certain objects in the same way regardless of changing angle, distance, or lighting |
