The separation of place, movement, and object in the world of the infant.
D000367:Age Factors; D002657:Child Development; D003071:Cognition; D003210:Concept Formation; D005133:Eye Movements; D005403:Fixation, Ocular; D006801:Humans; D007223:Infant; D009039:Motion Perception; D011336:Probability; D013028:Space Perception; D014796:Visual Perception