Desarrollo Humano Papalia -

Describe the (how we learn and think) at each age.

Now a "little scientist," Mateo's imagination takes flight. He engages in "make-believe" play, pretending a cardboard box is a spaceship. His language explodes, allowing him to express complex feelings, though he still struggles to understand that other people might see the world differently than he does—a trait Papalia describes as egocentrism. Middle Childhood: Ages 6 to 11 desarrollo humano papalia

If you're looking for more details on a specific phase of Mateo's life, I can: Describe the (how we learn and think) at each age

Piaget’s stages of cognitive development and the Information-Processing approach. Contextual: allowing him to express complex feelings