语音辨别是发育性语言障碍的诊断标志

IF 1.2 3区 心理学 Q2 LINGUISTICS
Georgios P. Georgiou , Elena Theodorou
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引用次数: 0

摘要

本研究探讨了发育性语言障碍(DLD)儿童如何辨别有声辅音和无声辅音及其处理速度。研究还探讨了年龄、非语言智能、词汇量、形态句法技能和句子重复等因素在解释言语感知能力方面的作用。研究招募了 14 名患有 DLD 的塞浦路斯希腊儿童和 14 名具有典型发育(TD)的同龄儿童,他们的年龄分别为 7 岁、10 岁至 10 岁、4 岁。根据年龄和状况,儿童被分为四组:年轻-DLD、年轻-TD、年老-DLD 和年老-TD。所有儿童都参加了 AX 任务,该任务测量他们辨别声音的能力和处理速度。他们还完成了一项非语言智力测验和一项 DVIQ 测试,这两项测试提供了对各种语言能力的测量。结果表明,与年轻的颞下颌关节发育不良组相比,年轻的颞下颌关节发育不良组在辨别辅音方面表现较差,而在老年的颞下颌关节发育不良组和老年的颞下颌关节发育不良组之间则没有观察到这种差异。此外,虽然 DLD 组和 TD 组在处理时间上没有发现明显差异,但年轻的 DLD 组和 TD 组与年长的 DLD 组相比,处理时间都更长。年龄是影响 DLD 儿童言语感知能力的最大因素,而对 TD 儿童而言,则是形态句法和词汇量。与反应时间相比,这些发现强调了语音辨别能力作为诊断 DLD 的标志的作用。此外,这些发现还强调了年龄在检测 DLD 中的关键作用。TD 儿童与 DLD 儿童的语言发展轨迹似乎截然不同,这一点从两类儿童的诱因差异中可见一斑。这些差异可归因于 DLD 群体的多样性、他们所接受的治疗、他们所采用的补偿策略以及其他诱因的潜在影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Voicing discrimination as a diagnostic marker of developmental language disorder

This study examines how children with developmental language disorder (DLD) discriminate voiced and voiceless consonants and their processing speed. It also explores the contribution of factors like age, nonverbal intelligence, vocabulary, morphosyntactic skills, and sentence repetition in explaining speech perception abilities. Fourteen Cypriot Greek children with DLD and 14 peers with typical development (TD) aged 7; 10–10; 4 were recruited. Children were divided into four groups based on age and condition: young-DLD, young-TD, old-DLD, and old-TD. All children participated in an AX task, which measured their ability to discriminate sounds and their processing speed. They also completed a nonverbal intelligence test and a DVIQ test, which provided measures of various language abilities. The results demonstrated that the young-DLD group exhibited lower performance in discriminating consonants compared to the young-TD group, while such differences were not observed between the old-DLD and old-TD groups. Furthermore, while no significant differences in processing time were found between the DLD and TD groups, both young DLD and TD groups displayed longer processing times compared to their older counterparts. Age was the best-contributing factor to speech perception abilities in children with DLD in contrast to morphosyntax and vocabulary for children with TD. These findings highlight the role of voicing discrimination as a diagnostic marker of DLD as opposed to reaction time. Moreover, they underscore the crucial role of age in detecting DLD. The language developmental trajectories of children with TD appear distinct from those with DLD, as evidenced by variations in contributing factors between the two groups. These disparities can be attributed to the diverse nature of the DLD population, the therapies they receive, the compensatory strategies they employ, and the potential impact of other contributing factors.

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来源期刊
Journal of Neurolinguistics
Journal of Neurolinguistics 医学-神经科学
CiteScore
3.90
自引率
5.00%
发文量
49
审稿时长
17.2 weeks
期刊介绍: The Journal of Neurolinguistics is an international forum for the integration of the neurosciences and language sciences. JNL provides for rapid publication of novel, peer-reviewed research into the interaction between language, communication and brain processes. The focus is on rigorous studies of an empirical or theoretical nature and which make an original contribution to our knowledge about the involvement of the nervous system in communication and its breakdowns. Contributions from neurology, communication disorders, linguistics, neuropsychology and cognitive science in general are welcome. Published articles will typically address issues relating some aspect of language or speech function to its neurological substrates with clear theoretical import. Interdisciplinary work on any aspect of the biological foundations of language and its disorders resulting from brain damage is encouraged. Studies of normal subjects, with clear reference to brain functions, are appropriate. Group-studies on well defined samples and case studies with well documented lesion or nervous system dysfunction are acceptable. The journal is open to empirical reports and review articles. Special issues on aspects of the relation between language and the structure and function of the nervous system are also welcome.
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