Related abilities

Is interested in interacting with people (plays patty cake)

Enjoys banging and playing with musical toys

Is frequently moving in and out of various positions (e.g. crawling, climbing, cruising, and walking) to explore and get desirable objects (13-18 months)

Seeks out various new ways to move and play

Has grown accustomed to everyday sounds and is usually not startled by them (13-18 months)

Is able to enjoy a wide variety of touch, noise, and smells (13-18 months)