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<p>The neurocognitive investigation of second language acquisition has been substantially advanced by electroencephalography (EEG), which provides millisecond-level temporal resolution for capturing the real-time neural dynamics underlying language processing. This methodological advantage has enabled researchers to examine how factors such as proficiency, age of acquisition, and cognitive abilities shape the bilingual brain. To map the intellectual structure and developmental trajectory of this interdisciplinary field, this study conducts a bibliometric analysis of EEG research on second language (L2) processing as a neurocognitive component of second language acquisition, published between 2010 and 2024. Data were retrieved from the Scopus database, yielding a final corpus of 153 publications, which were analyzed using the Bibliometrix R-package and its Biblioshiny interface, along with VOSviewer for network visualization. The results reveal a steady annual growth rate of 4.29% and identify three major phases of research development: foundational ERP investigations, theoretical expansion, and methodological sophistication incorporating oscillatory dynamics and network-based approaches. Core thematic clusters include neurocognitive foundations, linguistic mechanisms, and cognitive processing, with strong emphasis on methodological and demographic factors. Leading institutional contributors include Radboud University, University of Zurich, and Favaloro University, while high-impact journals such as the Journal of Cognitive Neuroscience and Neuropsychologia dominate the field. International collaboration spans four major global clusters, with the United States, United Kingdom, and Germany serving as primary knowledge brokers. The study concludes by identifying emerging frontiers, such as neural oscillations, connectivity analyses, and cross-linguistic neurocognitive comparisons, and offers strategic insights for researchers, institutions, and funding agencies to advance the neurocognitive understanding of second language acquisition.</p>

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A bibliometric analysis of electroencephalography studies on second Language processing from 2010 to 2024

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月20日

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  • Talal A. Aldhaheri,
  • Sonali B. Kulkarni,
  • Yasser M. Alrefaee

摘要

The neurocognitive investigation of second language acquisition has been substantially advanced by electroencephalography (EEG), which provides millisecond-level temporal resolution for capturing the real-time neural dynamics underlying language processing. This methodological advantage has enabled researchers to examine how factors such as proficiency, age of acquisition, and cognitive abilities shape the bilingual brain. To map the intellectual structure and developmental trajectory of this interdisciplinary field, this study conducts a bibliometric analysis of EEG research on second language (L2) processing as a neurocognitive component of second language acquisition, published between 2010 and 2024. Data were retrieved from the Scopus database, yielding a final corpus of 153 publications, which were analyzed using the Bibliometrix R-package and its Biblioshiny interface, along with VOSviewer for network visualization. The results reveal a steady annual growth rate of 4.29% and identify three major phases of research development: foundational ERP investigations, theoretical expansion, and methodological sophistication incorporating oscillatory dynamics and network-based approaches. Core thematic clusters include neurocognitive foundations, linguistic mechanisms, and cognitive processing, with strong emphasis on methodological and demographic factors. Leading institutional contributors include Radboud University, University of Zurich, and Favaloro University, while high-impact journals such as the Journal of Cognitive Neuroscience and Neuropsychologia dominate the field. International collaboration spans four major global clusters, with the United States, United Kingdom, and Germany serving as primary knowledge brokers. The study concludes by identifying emerging frontiers, such as neural oscillations, connectivity analyses, and cross-linguistic neurocognitive comparisons, and offers strategic insights for researchers, institutions, and funding agencies to advance the neurocognitive understanding of second language acquisition.