title: The economics of infancy: a review of conjugate reinforcement.
mesh_terms: D000367:Age Factors; D001307:Auditory Perception; D002657:Child Development; D003216:Conditioning, Operant; D004193:Discrimination Learning; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D008607:Intellectual Disability / Q000523:psychology; D011939:Mental Recall; D009039:Motion Perception; D009043:Motor Activity; D011582:Psychological Theory; D011601:Psychophysics; D012055:Reinforcement Schedule; D012153:Retention, Psychology; D013391:Sucking Behavior; D014705:Verbal Behavior; D014796:Visual Perception