Cognitive-developmental training with elevated boards and sign language.
D000124:Achievement; D001321:Autistic Disorder / Q000534:rehabilitation* / Q000628:therapy; D002648:Child; D002656:Child Day Care Centers; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D004519:Education, Special; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007804:Language Development; D008297:Male; D008369:Manual Communication; D009040:Motion Pictures; D009155:Mutism / Q000534:rehabilitation* / Q000628:therapy; D009633:Nonverbal Communication; D012114:Residential Treatment; D013060:Speech