Even in the areas of deductive logic, humans often perform extremely poorly in different contexts. Further, humans often do not use subroutine-like rules for making decisions. In an attempt to simplify the problem of building complex intelligent systems, classical AI approaches tended to ignore or avoid many aspects of human intelligence. We believe that many of these discarded elements are essential to human intelligence. Development forms the framework by which humans successfully acquire increasingly more complex skills and competencies.
Social interaction allows humans to exploit other humans for assistance, teaching, and knowledge.
Embodiment and physical coupling allow humans to use the world itself as a tool for organizing and manipulating knowledge. Integration allows humans to maximize the efficacy and accuracy of complementary sensory and motor systems. Development Humans are not born with complete reasoning systems, complete motor systems, or even complete sensory systems. Instead, they undergo a process of development where they perform incrementally more difficult tasks in more complex environments en route to the adult state. Building systems developmentally facilitates learning both by providing a structured decomposition of skills and by gradually increasing the complexity of the task to match the competency of the system.