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The symbol combinations largely resembled those produced by young speaking language learners, suggesting that the augmented communicators were following typical patterns of communication in generating their symbol combinations. In Study 2, we examined the symbol combinations modeled for subjects by their partners. The structure of the modeled combinations did not resemble the children\u2019s productions, indicating that the children could not have relied on simple rote imitation for their combination production. These results suggest that augmented communicators with mental retardation may use their symbols as speaking children use oral words in the development of complex communications.<\/jats:p>","DOI":"10.1044\/jshr.3704.883","type":"journal-article","created":{"date-parts":[[2014,7,29]],"date-time":"2014-07-29T21:11:57Z","timestamp":1406668317000},"page":"883-895","source":"Crossref","is-referenced-by-count":33,"title":["Emergence of Visual-Graphic Symbol Combinations by Youth With Moderate or Severe Mental Retardation"],"prefix":"10.1044","volume":"37","author":[{"given":"Krista M.","family":"Wilkinson","sequence":"first","affiliation":[{"name":"Georgia State University, Atlanta"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mary Ann","family":"Romski","sequence":"additional","affiliation":[{"name":"Georgia State University, Atlanta"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rose A.","family":"Sevcik","sequence":"additional","affiliation":[{"name":"Georgia State University, Atlanta"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1310","reference":[{"key":"e_1_3_2_2_1","doi-asserted-by":"publisher","DOI":"10.1044\/jshr.3506.1333"},{"key":"e_1_3_2_3_1","doi-asserted-by":"crossref","DOI":"10.1037\/13224-000","volume-title":"The Arthur adaptation of the Leiter International Performance Scale","author":"Arthur G.","year":"1952"},{"key":"e_1_3_2_4_1","volume-title":"From first words to grammar: Individual differences and dissociable mechanisms","author":"Bates E.","year":"1988"},{"key":"e_1_3_2_5_1","volume-title":"One word at a time: The use of single word utterances before syntax","author":"Bloom L.","year":"1973"},{"key":"e_1_3_2_6_1","volume-title":"Early syntactic development","author":"Bowerman M.","year":"1973"},{"key":"e_1_3_2_7_1","first-page":"99","volume-title":"Normal and deficient child language","author":"Bowerman M.","year":"1976"},{"key":"e_1_3_2_8_1","doi-asserted-by":"crossref","unstructured":"Braine M. 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