Answer:
Schema
Step-by-step explanation:
Jean Piaget was a psychologist that developed a theory of cognitive development according to which we go through different stages during childhood and adolescence in which our thinking gets more complex until we reach the logic reasoning during adolescence.
According to Piaget, schemas are mental models of the world, in other words, they are the categories that helps us understand the world we live in. They are the basic building blocks that help us understand and have mental images of the world around us.
Therefore, Piaget believed that the basic building blocks of the way children understand the world are mental structures called schemas.