| A | B |
|---|
| Reflexive | Instinctive, involuntary, automatic, as in responses |
| Grasp | Pick up or hold |
| Deliberately | On purpose |
| Vocalize | To use sounds/wrods to express something |
| Distress | State of being upset or troubled |
| Volume | The loudness or softness of a sound |
| Pitch | The highness or lowness of a sound |
| Babble | To make unintelligible sounds; not easily understood sounds |
| Imitate | To copy |
| Gesture | To use the hands or fingers to communicate a message |
| Recognizable | Able to be understood |
| Sibling | Brother or sister |
| Symbolic | Representing something |
| Mimic | To copy |
| Imaginary | Make-believe, or pretend; as an imaginary friend |
| Empathy | The ability to feel what another person is experiencing |
| Resilience | The ability to "bounce back" |
| Seriation | Ability to organize objects according to increasing or decreasing size |
| Conservation | Able to understand that an object remains the same even when it disappears or changes appearance |
| Reversibility | Ability to be reversed, changed back |
| Multiple classification | Ability to be classified in more than one way |
| Egocentric | Self-centered; seeing oneself as the center of everything |
