Do children with autism spectrum disorders show a shape bias in word learning?
Do children with autism spectrum disorders show a shape bias in word learning?
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DOI：
10.1002/aur.38
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发表时间：
2008-08
期刊：
影响因子：
4.7
通讯作者：
Naigles, Letitia R.
中科院分区：
文献类型：
--
作者：
Tek, Saime;Jaffery, Gul;Fein, Deborah;Naigles, Letitia R.
许多患有自闭症谱系障碍（ASD）的儿童获得了相当大的词汇量。然而，这些儿童似乎也理解和/或存储单词的含义不同于典型的发展中儿童。帮助发育中的儿童学习新单词的机制之一是形状偏好，即名词的所指对象映射到物体的形状上，而不是映射到其颜色、质地或大小上。我们假设患有自闭症的儿童会表现出减少或不存在的形状偏见。使用多通道偏好性注视范式（IPL），我们比较了ASD幼儿和典型发育儿童（TYP）在四个时间点上使用形状偏差的表现。在第一次访问时，两组都没有表现出形状偏好，两组中有一半的孩子产生了少于50个计数名词。仅TYP组在访视2、3和4时显示形状偏倚。根据生长曲线分析，随着时间的推移，形状偏差分数的增加率是显着的TYP儿童。TYP组在24个月大时表现出形状偏差，而ASD儿童尽管有相当大的词汇量，但没有表现出形状偏差，这一事实支持了ASD儿童从语言发展早期开始词汇量和习得原则之间的分离。
Many children with autism spectrum disorders (ASD) acquire a sizeable lexicon. However, these children also seem to understand and/or store the meanings of words differently from typically developing children. One of the mechanisms that helps typically developing children learn novel words is the shape bias, in which the referent of a noun is mapped onto the shape of an object, rather than onto its color, texture, or size. We hypothesized that children with Autistic Disorder would show reduced or absent shape bias. Using the Intermodal Preferential Looking Paradigm (IPL), we compared the performance of young children with ASD and typically developing children (TYP), across four time points, in their use of shape bias. Neither group showed a shape bias at Visit 1, when half of the children in both groups produced fewer than 50 count nouns. Only the TYP group showed a shape bias at Visits 2, 3, and 4. According to growth curve analyses, the rate of increase in the shape bias scores over time was significant for the TYP children. The fact that the TYP group showed a shape bias at 24 months of age, whereas children with ASD did not demonstrate a shape bias despite a sizeable vocabulary, supports a dissociation between vocabulary size and principles governing acquisition in ASD children from early in language development.
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影响因子：
4.6
作者：
Gastgeb, Holly Zajac;Strauss, Mark S.;Minshew, Nancy J.
通讯作者：
Minshew, Nancy J.
影响因子：
3.9
作者：
Kelley, Elizabeth;Paul, Jennifer J.;Naigles, Letitia R.
通讯作者：
Naigles, Letitia R.
DOI：
10.1080/01690960042000058
发表时间：
2001-04-01
期刊：
LANGUAGE AND COGNITIVE PROCESSES
影响因子：
--
作者：
Kjelgaard, MM;Tager-Flusberg, H
通讯作者：
Tager-Flusberg, H
DOI：
10.1097/00004703-200604002-00013
发表时间：
2006-04-01
影响因子：
2.4
作者：
Cohen, Howard;Amerine-Dickens, Mila;Smith, Tristram
通讯作者：
Smith, Tristram
影响因子：
2.2
作者：
Dunn, M;Gomes, H;Sebastian, M
通讯作者：
Sebastian, M