Rondal J A
Am J Ment Defic. 1980 Nov;85(3):318-21.
Grammatical aspects of the spontaneous repetitions of maternal speech by Down syndrome and nonretarded children were in investigated. Verbal imitations were found to be very similar in grammatical structure for the two groups of children at comparable levels of language development.
对唐氏综合征患儿和发育正常儿童自发重复母亲话语的语法方面进行了研究。结果发现,在语言发展水平相当的两组儿童中,言语模仿的语法结构非常相似。