The object in the world of the infant.
D002657:Child Development; D004192:Discrimination, Psychological; D005133:Eye Movements; D005556:Form Perception; D006339:Heart Rate; D006801:Humans; D007088:Illusions; D007223:Infant; D007231:Infant, Newborn; D009039:Motion Perception; D014110:Touch; D014796:Visual Perception