Language acquisition in mentally disabled in the United States. Robert T Fulton, Director of Research, Parsons Research Center, Parsons, Kansas, United States talks about concept development in the mentally disabled. A man looks as images appear on a screen. A mentally disabled child near a machine. A boy helps him. During the language acquisition program a woman shows cards to mentally disabled children and asks them about the cards. Pictures appear on a screen. A woman helps a child as he recognizes the pictures.
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