Value Added by Assessing Nonspoken Vocabulary in Minimally Speaking Autistic Children.

IF 2.3 3区 医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
Angela MacDonald-Prégent, Lauren McGuinness, Aparna Nadig
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Abstract

Purpose: There is a scarcity of language assessment tools properly adapted for use with minimally speaking autistic children. As these children often use nonspoken methods of communication (i.e., augmentative and alternative communication [AAC]), modification of traditional assessment tools is needed to capture the full range of their communicative repertoires. We modified the MacArthur-Bates Communicative Development Inventories (CDI) to explore how vocabulary size and composition are impacted by considering nonspoken, as well as spoken, expressive vocabulary (AAC-modified CDI: Words and Gestures).

Method: Our initial sample consisted of 16 minimally speaking autistic children, 3-9 years old, whose caregivers completed our modified CDI after taking part in an AAC intervention. Our final sample included 15 participants, after removing an outlier.

Results: Accounting for both spoken and nonspoken communication significantly increased participants' reported expressive vocabulary by an average of 14 words (z = -2.61, p = .009, r = .75). Verbs made up a sizable portion (13.3%) of vocabulary when accounting for all modalities, while nouns made up the majority (51.5%).

Conclusions: We demonstrated the value of including both spoken and nonspoken modalities of communication when assessing the expressive vocabulary of minimally speaking autistic children. Prior work has shown that minimally speaking autistic children's spoken vocabulary was prominent in verbs (i.e., contained proportionally more verbs than that of vocabulary-matched typically developing children). In our sample, which used a broader definition of minimally speaking, we found that the proportions of verbs and nouns were consistent with what has been reported for typically developing children with similar-sized productive vocabularies.

评估最低语自闭症儿童非言语词汇的附加价值。
目的:缺乏语言评估工具,适合使用最低限度说话的自闭症儿童。由于这些儿童经常使用非言语的交流方法(即,辅助和替代交流[AAC]),因此需要修改传统的评估工具来捕捉他们的交流技能的全部范围。我们对麦克阿瑟-贝茨交际发展量表(CDI)进行了修改,以探讨词汇量和构成如何受到非口语和口语表达词汇(aac修改的CDI:单词和手势)的影响。方法:我们的初始样本包括16名3-9岁的最低语言自闭症儿童,他们的照顾者在参加AAC干预后完成了我们修改的CDI。在除去一个异常值后,我们的最终样本包括15名参与者。结果:考虑口头和非口头交流显著增加了参与者报告的平均14个单词的表达词汇量(z = -2.61, p = 0.009, r = 0.75)。在所有形态中,动词占了相当大的一部分(13.3%),而名词占大多数(51.5%)。结论:我们证明了在评估最低限度说话自闭症儿童的表达词汇时,包括口头和非口头交流方式的价值。先前的研究表明,极少说话的自闭症儿童的口语词汇在动词方面是突出的(即,比词汇匹配的正常发育儿童包含更多的动词)。在我们的样本中,我们使用了更广泛的最低限度说话的定义,我们发现动词和名词的比例与报道中具有相似大小的生产性词汇量的典型发育儿童的比例一致。
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来源期刊
American Journal of Speech-Language Pathology
American Journal of Speech-Language Pathology AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION
CiteScore
4.30
自引率
11.50%
发文量
353
审稿时长
>12 weeks
期刊介绍: Mission: AJSLP publishes peer-reviewed research and other scholarly articles on all aspects of clinical practice in speech-language pathology. The journal is an international outlet for clinical research pertaining to screening, detection, diagnosis, management, and outcomes of communication and swallowing disorders across the lifespan as well as the etiologies and characteristics of these disorders. Because of its clinical orientation, the journal disseminates research findings applicable to diverse aspects of clinical practice in speech-language pathology. AJSLP seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of speech-language pathology, including aphasia; apraxia of speech and childhood apraxia of speech; aural rehabilitation; augmentative and alternative communication; cognitive impairment; craniofacial disorders; dysarthria; fluency disorders; language disorders in children; speech sound disorders; swallowing, dysphagia, and feeding disorders; and voice disorders.
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