There are patterns of cognitive development observed through childhood that contrast with advanced aging. According to Piaget, he believes there's a form of distinct phase in human development with the first two years of life (Kail & Cavanaugh, 2016 p. 120). Within those years that is when cognitive development begin. Children start to adapt and explore the environment around them. Then as they grow, they begin to understand objects within their site and also using symbols to communicate and express their emotions. Children and adults create their theories to help understand objects and their surroundings in real life experience. "Returning to the metaphor of the child as a scientist, Piaget describes the child