title: Psychobiological mechanisms in language development.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000254:growth & development*; D002642:Chick Embryo; D003638:Deafness; D006801:Humans; D007100:Imitative Behavior; D007223:Infant; D007231:Infant, Newborn; D007804:Language Development; D008954:Models, Biological; D013060:Speech; D014828:Vocalization, Animal