Maturational determinants of language growth.
D000293:Adolescent; D001766:Blindness / Q000523:psychology; D002648:Child; D002663:Child Language; D002675:Child, Preschool; D003638:Deafness / Q000523:psychology; D004314:Down Syndrome / Q000523:psychology; D005868:Gestures; D006801:Humans; D007223:Infant; D007804:Language Development; D007858:Learning; D009034:Mother-Child Relations