title: Cognitive development.
mesh_terms: D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D006801:Humans; D007398:Interpersonal Relations; D007858:Learning; D008128:Logic; D008568:Memory; D010465:Perception; D002666:Psychology, Child; D014163:Transfer, Psychology