Answer:
Schemas
Step-by-step explanation:
According to the various studies undergone by Psychologist Jean Piaget, it can be said that he would characterize these mental structures as Schemas. Piaget defined this as mental representations of the world that we live in, which are used in order to understand and react to various situations in our everyday lives. Which is what the baby is doing by learning different actions and how they help him/her in this world.