A multimodal multiplex of the mental lexicon for multilingual individuals

• URL: http://arxiv.org/abs/2511.05361v1
• Date: Fri, 07 Nov 2025 15:51:21 GMT
• Title: A multimodal multiplex of the mental lexicon for multilingual individuals
• Authors: Maria Huynh, Wilder C. Rodrigues,
• Abstract summary: This research proposal focuses on the study of the mental lexicon and how it may be structured in individuals who speak multiple languages.<n>Our experimental design extends previous research by incorporating multimodality into the multiplex model.<n>We ask: Does the presence of visual input in a translation task influence participants' proficiency and accuracy compared to text-only conditions?
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Historically, bilingualism was often perceived as an additional cognitive load that could hinder linguistic and intellectual development. However, over the last three decades, this view has changed considerably. Numerous studies have aimed to model and understand the architecture of the bilingual word recognition system Dijkstra and van Heuven (2002), investigating how parallel activation operates in the brain and how one language influences another Kroll et al. (2015). Increasingly, evidence suggests that multilinguals, individuals who speak three or more languages, can perform better than monolinguals in various linguistic and cognitive tasks, such as learning an additional language Abu-Rabia and Sanitsky (2010). This research proposal focuses on the study of the mental lexicon and how it may be structured in individuals who speak multiple languages. Building on the work of Stella et al. (2018), who investigated explosive learning in humans using a multiplex model of the mental lexicon, and the Bilingual Interactive Activation (BIA+) framework proposed by Dijkstra and van Heuven (2002), the present study applies the same multilayer network principles introduced by Kivela et al. (2014). Our experimental design extends previous research by incorporating multimodality into the multiplex model, introducing an additional layer that connects visual inputs to their corresponding lexical representations across the multilingual layers of the mental lexicon. In this research, we aim to explore how a heritage language influences the acquisition of another language. Specifically, we ask: Does the presence of visual input in a translation task influence participants' proficiency and accuracy compared to text-only conditions?

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