title: Classical conditioning in infancy: development and constraints.
mesh_terms: D000367:Age Factors; D001143:Arousal / Q000502:physiology; D001307:Auditory Perception; D001341:Autonomic Nervous System / Q000502:physiology; D002657:Child Development; D003214:Conditioning, Classical; D003215:Conditioning, Eyelid; D004193:Discrimination Learning; D006801:Humans; D007206:Individuality; D007223:Infant; D007231:Infant, Newborn; D009949:Orientation; D010507:Periodicity; D011930:Reaction Time; D013997:Time Factors; D013998:Time Perception; D014110:Touch; D014796:Visual Perception