Related abilities

Is interested in interacting with others, e.g. peek-a-boo (6-9 months)

Maintains eye contact with people during playful interaction (6-9 months)

Raises hands towards adult to be picked up (6-9 months)

Is able to turn head to visually follow moving toys and people (6-9 months)

Uses both hands equally to play with toys (6-9 months)

Is generally happy when not hungry or tired (6-9 months)