| Birth to 3 months |
- Reacts to loud sounds with startle reflex.
- Is soothed and quieted by soft sounds.
- Turns head to you when you speak.
- Is awakened by loud voices and sounds.
- Smiles in response to voices when spoken to.
- Seems to know your voice and quiets down if crying.
|
| 3 to 6 months |
- Looks or turns toward a new sound.
- Responds to "no" and changes in tone of voice.
- Imitates own voice.
- Enjoys rattles and other toys that make sounds.
- Begins to repeat sounds (such as ooh, aah and ba-ba).
- Becomes scared by a loud voice or noise.
|
| 6 to 10 months. |
- Responds to own name, telephone ringing, someone's voice, even when not loud.
- Knows words for common things (cup, shoe) and sayings ("bye-bye").
- Makes babbling sounds, even when alone.
- Starts to respond to requests such as "come here".
- Looks at things or pictures when someone talks about them.
|
| 10 to 15 months. |
- Plays with own voice, enjoying the sound and feel of it.
- Points to or looks at familiar objects or people when asked to do so.
- Imitates simple words and sounds; may use a few single words
meaningfully.
- Enjoys games like peek-a-boo and pat-a-cake.
- Follows one step commands when shown by a gesture.
|
| 15 to 18 months. |
- Follows simple directions, such as "give me the ball" without being shown.
- Uses words learned often.
- Uses 2 to 3 word sentences to talk about and ask for things.
- Knows 10 to 20 words.
- Points to some body parts when asked.
|
| 18 to 24 months. |
- Understands simple "yes-no" questions. (Are you hungry?)
- Understands simple phrases ("in the cup" "on the table").
- Enjoys being read to.
- Points to pictures when asked.
- Knows 50 to 100 words.
|
| 24 to 36 months. |
- Understands "not now" and "no more".
- Chooses things by size (big, little).
- Follows two step commands, such as "get your shoes and come here".
- Understands many action words (run, jump).
|
