Lexical and Morphosyntactic Profiles of Autistic Youth With Minimal or Low Spoken Language Skills.
Lexical and Morphosyntactic Profiles of Autistic Youth With Minimal or Low Spoken Language Skills.
复制标题
口语能力极低或较低的自闭症青少年的词汇和形态句法概况。
DOI：
10.1044/2022_ajslp-22-00098
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发表时间：
2023
影响因子：
2.6
通讯作者：
Tager-Flusberg,Helen
中科院分区：
文献类型：
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作者：
Butler,LindsayK;Shen,Lue;Chenausky,KarenV;LaValle,Chelsea;Schwartz,Sophie;Tager-Flusberg,Helen
目的自闭症青少年的语言少或少，在研究中的代表性很低，几乎没有证据支持他们和他们的家人。到目前为止，很少有研究考察这些人使用的单词类型和单词组合。本研究的目的是采用基于优势的方法，勾勒出少用词的自闭症青少年的描述性特征，并阐明其口语的词汇和形态句法特征。方法对49名6-21岁的自闭症青少年的语言样本进行分析。通过对语料的系统分析，考察了不同词数(NDW)与名词和动词的比例(相对于其他词类)、语素中的平均话语长度(MLUm)以及早期形态句法结构发展的频率之间的关系。我们用线性回归的方法量化了新词新词数量与词汇和形态句法特征的关系。结果新词新词数量越高，名词和动词所占比例没有显著增加。相反，高NDW的青少年的MLUm和早期发展的形态句法结构的频率显著增加。结论高NDW的青少年没有产生更多的名词和动词，这表明词汇特征与口语词汇水平不一致。NDW较高的青少年MLUm较高，较早的形态合成形式较多，提示形态合成特征与口语词汇水平相一致。我们讨论了改善与口语相关的临床服务的含义。
PurposeAutistic youth who are minimally or low verbal are underrepresented in research leaving little to no evidence base for supporting them and their families. To date, few studies have examined the types of words and word combinations these individuals use. The purpose of this study was to take a strengths-based approach to outline descriptive profiles of autistic youth who use few words and elucidate the lexical and morphosyntactic features of their spoken language.MethodWe analyzed language samples from 49 autistic youth ages 6–21 years who used fewer than 200 words. Systematic Analysis of Language Transcripts was used to investigate the relationship between number of different words (NDW) and proportion of nouns and verbs (vs. other word classes), mean length of utterance in morphemes (MLUm), and the frequency of early developing morphosyntactic structures. We used linear regression to quantify the relationship between NDW and lexical and morphosyntactic features.ResultsProportion of nouns and verbs produced did not increase significantly in those with higher NDW. Conversely, MLUm and the frequency of early developing morphosyntactic structures increased significantly in those with higher NDW.ConclusionsYouth with higher NDW did not produce more nouns and verbs, suggesting lexical profiles that are not aligned with spoken vocabulary level. Youth with higher NDW had higher MLUm and more early morphosyntactic forms, suggesting that morphosyntactic profiles align with spoken vocabulary level. We discuss the implications for improving clinical services related to spoken language.