Answer:
When a baby incorporates new objects into a scheme
Explanation:
Jean Piaget was one of the famous psychologists who has given his theory on a child's cognitive development. He has given four stages in his theory through which a child goes in his or her life.
Assimilation: According to Jean Piaget, the term assimilation is referred to as a cognitive process that helps an individual to take or utilize new information present in the environment and incorporating that information into one's already existing knowledge or schema.
