The explanation of the theory is that there are two systems of remembering and forgetting in human brain, and forgetful clues make them separate, and remembering items are rehearsed further.

Although eclipsed by the many pragmatisms of daily life, the theory of Sharism finds basis in neuroscience and its study of the working model of the human brain.

Through reviewing on the nature of human cognition, module theory is about human cognitive and psychological structure with the basis of the analogy between human brain and computer.