intellectual & language development in infancy
0-3 - begins to smile, can use senses to help them understand the world and makes babbling noises
4-6 - can smile laugh, listens and responds when spoken to
7-12 - recognises own name and says some words, imitate sounds
1-2 - begins make play, say between 6&10 words
2-3 - learn new skills, gain independence, make two word sentences