Verbal fluency in bilingual Lebanese adults: Is the prominent language advantage due to executive processes, language processes, or both?

IF 1.4 4区心理学 Q4 CLINICAL NEUROLOGY

Applied Neuropsychology-Adult Pub Date : 2025-07-01 Epub Date: 2023-07-17 DOI:10.1080/23279095.2023.2234536

Rania Kassir, Martine Roussel, Halim Abboud, Olivier Godefroy

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Abstract

Although bilingualism is widespread, little data on verbal fluency tasks (VFTs) within bilingualism subtypes and the underlying mechanisms exist. The study's objective was to explore executive and language processes in 10 semantic and letter VFTs and a set of language and executive tests among 100 elderly Arabic-French bilinguals from three bilingualism subgroups: Arabic-dominant, French-dominant, and balanced. We observed a prominent-language advantage for semantic and letter VFTs in French but not for letter VFTs in Arabic. This advantage in the VFT was associated with a sustained rate of late production, a higher percentage of specific words, a higher number of clusters, and a larger cluster size, and was related mainly to language processes. Our results suggest that the strategic search processes underlying VFTs operate on the two phonological output lexicons of bilinguals with similar characteristics in different languages and thus support the hypothesis of a single, centralized, strategic search process.

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双语黎巴嫩成年人的语言流畅性：突出的语言优势是由于执行过程，语言过程，还是两者兼而有之？

虽然双语者普遍存在，但关于语言流利任务（VFTs）在双语者亚型及其潜在机制方面的数据却很少。该研究的目的是探索10个语义和字母vft的执行和语言过程，并对100名老年阿拉伯-法语双语者进行了一套语言和执行测试，这些双语者来自三个双语亚组：阿拉伯语为主、法语为主和平衡。我们观察到法语的语义和字母vft有明显的语言优势，而阿拉伯语的字母vft则没有。VFT中的这种优势与持续的后期产出率、更高百分比的特定单词、更高数量的集群和更大的集群大小有关，并且主要与语言过程有关。我们的研究结果表明，VFTs背后的策略搜索过程是在不同语言中具有相似特征的双语者的两个语音输出词汇上运行的，从而支持了单一、集中的策略搜索过程的假设。

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来源期刊

Applied Neuropsychology-Adult CLINICAL NEUROLOGY-PSYCHOLOGY

CiteScore

4.50

自引率

11.80%

发文量

134

期刊介绍： pplied Neuropsychology-Adult publishes clinical neuropsychological articles concerning assessment, brain functioning and neuroimaging, neuropsychological treatment, and rehabilitation in adults. Full-length articles and brief communications are included. Case studies of adult patients carefully assessing the nature, course, or treatment of clinical neuropsychological dysfunctions in the context of scientific literature, are suitable. Review manuscripts addressing critical issues are encouraged. Preference is given to papers of clinical relevance to others in the field. All submitted manuscripts are subject to initial appraisal by the Editor-in-Chief, and, if found suitable for further considerations are peer reviewed by independent, anonymous expert referees. All peer review is single-blind and submission is online via ScholarOne Manuscripts.