Comparative psychology and language acquisition.
D000367:Age Factors; D000819:Animal Communication; D000818:Animals; D000831:Animals, Newborn; D005260:Female; D007804:Language Development; D008297:Male; D008369:Manual Communication; D002679:Pan troglodytes; D011587:Psychology, Comparative; D012813:Sign Language; D013663:Teaching / Q000379:methods; D014825:Vocabulary