Swensen Lauren D, Kelley Elizabeth, Fein Deborah, Naigles Letitia R
Department of Psychology, University of Connecticut, Storrs 06269-1020, USA.
Child Dev. 2007 Mar-Apr;78(2):542-57. doi: 10.1111/j.1467-8624.2007.01022.x.
Two language acquisition processes (comprehension preceding production of word order, the noun bias) were examined in 2- and 3-year-old children (n=10) with autistic spectrum disorder and in typically developing 21-month-olds (n=13). Intermodal preferential looking was used to assess comprehension of subject-verb-object word order and the tendency to map novel words onto objects rather than actions. Spontaneous speech samples were also collected. Results demonstrated significant comprehension of word order in both groups well before production. Moreover, children in both groups consistently showed the noun bias. Comprehension preceding production and the noun bias appear to be robust processes of language acquisition, observable in both typical and language-impaired populations.
研究人员对10名患有自闭症谱系障碍的2岁和3岁儿童以及13名发育正常的21个月大儿童进行了两种语言习得过程（理解先于词序产出、名词偏好）的研究。采用跨通道偏好注视法评估对主谓宾词序的理解以及将新单词映射到物体而非动作上的倾向。同时还收集了自发言语样本。结果表明，两组儿童在产出之前对词序都有显著理解。此外，两组儿童都始终表现出名词偏好。理解先于产出和名词偏好似乎是语言习得的稳健过程，在正常人群和语言受损人群中都可观察到。
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