Research Unit of Logopedics, University of Oulu, Finland.
Research Unit of Clinical Medicine, Psychiatry, Child Psychiatry, University of Oulu, Finland.
J Speech Lang Hear Res. 2023 Mar 7;66(3):832-848. doi: 10.1044/2022_JSLHR-22-00265. Epub 2023 Feb 10.
The purpose of this study was to examine the nature of speech disfluencies in autistic young adults and controls by using a wide-range disfluency classification of typical disfluencies (TD; i.e., filled pauses, revisions, abandoned utterances, and multisyllable word and phrase repetitions), stuttering-like disfluencies (SLD; i.e., sound and syllable repetitions, monosyllable word repetitions, prolongations, blocks, and broken words), and atypical disfluencies (AD; i.e., word-final prolongations and repetitions and atypical insertions).
Thirty-two autistic young adults and 35 controls completed a narrative telling task based on socially complex events. Frequencies of total disfluencies, TD, SLD, AD and stuttering severity were compared between groups.
The overall frequency of disfluencies was significantly higher in the autistic group and significant between-group differences were found for all disfluency categories. The autistic group produced significantly more revisions, filled pauses, and abandoned utterances, and each subtype of SLD and AD than the control group. In total, approximately every fourth autistic participants scored at least a very mild severity of stuttering, and every fifth produced more than three SLD per 100 syllables.
Disfluent speech can be challenging for effective communication. This study revealed that the speech of autistic young adults was highly more disfluent than that of the controls. The findings provide information on speech disfluency characteristics in autistic young adults and highlight the importance of evaluating speech disfluency with a wide-range disfluency classification in autistic persons in order to understand their role in overall communication. The results of this study offer tools for SLPs to evaluate and understand the nature of disfluencies in autistic persons.
本研究旨在通过使用典型不流畅（TD；即填充停顿、修订、未完成的话语和多音节单词和短语重复）、类口吃不流畅（SLD；即声音和音节重复、单音节单词重复、延长、停顿和破碎的单词）和非典型不流畅（AD；即词末延长和重复以及非典型插入）的广泛不流畅分类，检查自闭症青年的言语不流畅的性质。
32 名自闭症青年和 35 名对照组完成了基于社会复杂事件的叙述任务。比较了两组之间的总不流畅次数、TD、SLD、AD 和口吃严重程度。
自闭症组的总不流畅频率明显更高，且在所有不流畅类别中均存在显著的组间差异。与对照组相比，自闭症组的修订、填充停顿和未完成的话语以及每种 SLD 和 AD 亚型的发生率都更高。总的来说，大约每四个自闭症参与者中就有至少一个存在非常轻微的口吃严重程度，而每五个参与者中就有超过三个 SLD 每 100 个音节。
不流畅的言语可能会对有效沟通造成挑战。本研究表明，自闭症青年的言语比对照组更加不流畅。研究结果提供了自闭症青年言语不流畅特征的信息，并强调了使用广泛的不流畅分类评估自闭症者的言语不流畅性以了解其在整体沟通中的作用的重要性。本研究的结果为言语语言病理学家提供了评估和理解自闭症者不流畅性的工具。
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