| A | B |
|---|
| The ability to fuse an image in the brain so it appears as one image using both eyes. | binocular vision |
| Sound, light, and other sensations that influence the activity of the sense organs. | stimuli |
| Organizing information obtained through the senses. | perception |
| Act or process of knowing or understanding | cognition |
| Stage of intellectual development in which babies learn through senses and movements. | sensorimotor stage |
| To copy or mirror the actions of others. | imitating |
| Idea formed by combining what is known about a person, object, place, quality, oe event. | concept |
| Knowing that objects remain the same even if they appear different | object constancy |
| Understaning that objects, people, and events are seperate from one's interactions with them. | object concept |
| Understanding that an object stays the same from one time to the next. | object identity |
| Concept that people, objects, and places still exist even when they are no longer seen, felt, or heard. | object permanence |
| Ability to tell how far away something is. | depth perception |
| A light, happy sound made by babies around two months of age. | coo |
| Changes in pitch used to express happiness, demands, and questions; opposite of monotone. | inflections |
| Words a person understands but does not say. | passive vocabulary |
| Words a person uses in talking or writing. | Active vocabulary |
