Language in people with cervical dystonia: Evidence of grammatical and specific semantic deficits

IF 1.2 3区心理学 Q2 LINGUISTICS Journal of Neurolinguistics Pub Date : 2024-08-03 DOI:10.1016/j.jneuroling.2024.101226

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Abstract

Background

Although historically considered a motor disorder, cervical dystonia (CD) may present with subtle cognitive impairments. Basal ganglia dysfunction in other neurological conditions can lead to language impairments. Language in people with CD (pwCD) remains unexplored.

Objectives

The study aimed to explore phonological, grammatical, and semantic language abilities in pwCD compared to healthy controls.

Methods

19 pwCD and 20 control participants completed the Object and Colour subtests of the Rapid Automized Naming Task (RAN), the Test for Reception of Grammar-2 (TROG-2), and a lexical decision task with a masked priming paradigm that compared reaction times to words varying according to two factors-hand relatedness (hand-related, non-hand-related) and word category (verb, noun).

Results

Compared to controls, pwCD were less accurate at grammatical comprehension on the TROG-2 (p < 0.05, n² = 0.15). There were no significant differences between pwCD and controls in phonological retrieval, as measured by the RAN. PwCD demonstrated an overall reduced priming effect for all words, however, there is some evidence in our data that this may be more pronounced for hand-related words.

Conclusion

Language deficits should be considered an area of future research in pwCD. These findings support the role of the motor system in language.

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颈性肌张力障碍患者的语言：语法和特定语义缺陷的证据

尽管颈肌张力障碍（CD）历来被认为是一种运动障碍，但它也可能伴有细微的认知障碍。其他神经系统疾病中的基底节功能障碍也会导致语言障碍。CD 患者（pwCD）的语言能力仍未得到研究。本研究旨在探讨与健康对照组相比，pwCD 患者在语音、语法和语义方面的语言能力。19 名患有帕金森氏症的患者和 20 名对照组患者完成了快速自动命名任务 (RAN) 的物体和颜色分项测试、语法接受测试-2 (TROG-2)，以及采用掩蔽引物范式的词汇决策任务，该范式比较了根据手的相关性（与手相关、与手无关）和词的类别（动词、名词）这两个因素而变化的词的反应时间。与对照组相比，pwCD 在 TROG-2 中语法理解的准确性较低 ( < 0.05, = 0.15)。根据 RAN 测量，在语音检索方面，pwCD 和对照组之间没有明显差异。PwCD 对所有单词的引物效应总体上都有所降低，但是，我们的数据中有一些证据表明，与手有关的单词的引物效应可能更明显。语言障碍应被视为 pwCD 未来研究的一个领域。这些研究结果支持运动系统在语言中的作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Neurolinguistics 医学-神经科学

CiteScore

3.90

自引率

5.00%

发文量

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.