Learning and the concept of critical periods in infancy.
D000223:Adaptation, Psychological; D000367:Age Factors; D000818:Animals; D001519:Behavior; D001522:Behavior, Animal; D001717:Birds; D002657:Child Development; D003423:Critical Period, Psychological; D004285:Dogs; D004777:Environment; D000882:Haplorhini; D006801:Humans; D007858:Learning; D051379:Mice; D009034:Mother-Child Relations; D051381:Rats; D012919:Social Behavior