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Bilingualism and cognition

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lightbulbAbout this topic
Bilingualism and cognition is the study of how the ability to speak and understand two or more languages influences cognitive processes, including memory, problem-solving, and executive functions. This field examines the neurological, psychological, and social implications of bilingualism on cognitive development and functioning.
lightbulbAbout this topic
Bilingualism and cognition is the study of how the ability to speak and understand two or more languages influences cognitive processes, including memory, problem-solving, and executive functions. This field examines the neurological, psychological, and social implications of bilingualism on cognitive development and functioning.

Key research themes

1. How does bilingualism contribute to cognitive reserve and neuroprotection against age-related cognitive decline and dementia?

This research theme investigates the extent to which lifelong bilingualism enhances cognitive reserve (CR), enabling individuals to better withstand neurodegeneration and delay dementia onset. It centers on methodological rigor in assessing bilingualism, disentangling confounding variables, and identifying neural and cognitive markers that mediate this protection. Understanding these mechanisms is critical for clarifying bilingualism's role in healthy aging and potential clinical applications.

Key finding: This work critically reviews extant findings on bilingualism's role in cognitive reserve, highlighting contradictory results regarding up to a 4-year delay in dementia symptoms among bilinguals. It identifies critical... Read more
Key finding: Using voxel-based morphometry and resting-state functional connectivity MRI analyses, this study demonstrates that bilingual older adults with higher second language proficiency show preserved intrinsic functional brain... Read more
Key finding: This work introduces genetic variability, specifically in dopaminergic pathways (e.g., DRD2/ANKK1 taq1A polymorphism), as a modulator of cognitive control differences observed between bilinguals and monolinguals. It posits... Read more
Key finding: Addressing four central bilingual advantage hypotheses (inhibitory control, conflict monitoring, task switching, and generalized cognition), this large-sample study finds no evidence for bilingual advantages when bilingualism... Read more

2. How do individual differences in bilingual experience and language use contexts modulate cognitive control and executive function outcomes?

This theme explores how variability in bilingual language use—such as proficiency, age of acquisition, frequency, language mode, and interactional context—shapes neural and behavioral manifestations of cognitive control. Moving beyond categorical classifications, the research focuses on how bilingual experience dynamically modifies brain function and cognitive processes, accounting for conflicting evidence regarding bilingual cognitive advantages.

Key finding: Utilizing EEG and structural equation modeling across a large bilingual/monolingual sample, this study reveals that dimensions of bilingual experience—language switching frequency, intensity/diversity of use, and... Read more
Key finding: This study shows that bilinguals' patterns of lexical access and the degree to which cognitive control supports language production vary systematically with the habitual contexts of language use—whether languages are used... Read more
Key finding: The paper conceptually frames 'language mode'—the situational degree of activation of each language in bilinguals—as a critical modulator of bilingual cognitive processing and purported advantages. It argues that many... Read more
Key finding: This commentary argues for shifting from dichotomous bilingual-monolingual classifications toward multifactorial characterizations of bilingual experience incorporating proficiency, usage patterns, sociocultural context, and... Read more
Key finding: Through longitudinal data controlling for childhood intelligence, this study found that active bilingualism is associated with selective advantages in executive control measures (notably the Simon effect) and trends toward... Read more

3. What neurolinguistic and neuroanatomical changes accompany bilingualism, and how do language typology and multilingualism influence these effects on cognition and brain structure?

This theme synthesizes research examining structural and functional brain changes linked to bilingualism and multilingualism, emphasizing variation arising from language combinations, proficiency, and multilingual experience. It also considers the extent to which typological diversity among a multilingual's languages modulates first-language processing and overall cognitive consequences, contributing to debates on bilingual neural plasticity and cognitive advantages.

Key finding: This methodological review highlights the heterogeneity and inconsistency of structural neuroimaging findings in bilingualism, attributed to sample selection issues and diverse neuroimaging analysis methods. It notes reported... Read more
Key finding: Analyzing a large sample of 5-6-year-old multilinguals, this study demonstrates that typological linguistic diversity of known languages predicts expressive vocabulary performance in the dominant language and brain activation... Read more
Key finding: Investigating middle-aged and older consecutive Norwegian academic bilinguals/multilinguals, this study finds that the number of known foreign languages robustly predicts enhanced verbal short-term and working memory... Read more
Key finding: Through comparative analyses, this work finds that trilingualism exerts distinct and not simply additive cognitive effects relative to bilingualism. Findings include larger cognitive reserve advantages in older adults,... Read more
Key finding: This review synthesizes computational approaches to modeling bilingual language learning, highlighting contributions in specifying cognitive and neural mechanisms underlying bilingual language acquisition and processing. It... Read more

All papers in Bilingualism and cognition

Conversational implicatures, as a complicated aspect of pragmatic skill, transmit meanings beyond its literal articulation and pose significant interpretive challenges for second language learners. The objective of the present study was... more
How do the two languages of bilingual individuals interact in everyday communication? Numerous behavioral-and event-related brain potential studies have suggested that information from the non-target language is spontaneously accessed... more
by Ava Le
This paper examines the benefit of nursery rhymes in literacy acquisition. It begins by discussing the history and attribution of various rhymes and the linkage of nursery rhymes with Mother Goose. It then suggests literacy advantages of... more
A thesis submitted to the school of humanities and social sciences in the fulfilment of the requirements for the degree of doctor of philosophy in applied linguistics, Kenyatta University
We assessed simultaneous bilinguals and monolinguals on inhibitory control and episodic memory, and assessed their grey matter volumes in brain regions known to be involved in language processing, executive control and memory. Bilinguals... more
The English Resultative Construction (ERC) is a satellite-framed structure with no identical equivalent in Spanish. In a series of studies, we analyzed and compared recognition (acceptability judgment task) and comprehension (sentence... more
This paper examines the role of bilingual education in enhancing academic performance and social skills among elementary school learners. A review of literature reveals significant correlations between bilingualism, academic achievement,... more
Proper nouns and common nouns represent a specific and distinct linguistic category within the French language. This study examines the lexicographical treatment of proper and common nouns in French borrowed from Arabic, as presented in... more
Although, a lot has been said about the good language learners, not much is known about the adult learners and the strategies they use in order to further improve and acquire their second language learning skills. Thus, this study aims to... more
In recent years, 21st century learning has been at the centre of Malaysian education system. Digitalise learning is the way forward for students in Malaysia. However, students have high language learning anxiety especially in speaking in... more
Was Hänschen nicht gelernt hat, lernt Hans nimmermehr, weiß der Volksmund. In der Tat nimmt die Geschwindigkeit von Lernprozessen bzw. von deren neuronalem Korrelat, der Neuroplastizität, mit zunehmendem Alter ab. Die Daten hierzu sind... more
В данной статье освещается формирование и развитие отдельных элементов языка через призму возрастного развития мозга. При рассмотрении результатов ряда ERP-исследований, особое внимание уделяется влиянию сенситивного периода на освоение... more
No final dos anos 1980, o pesquisador Wilhelm Wundt (1900) constatou que a psicologia cognitiva está interligada à linguística e vice-versa. Esse posicionamento teórico promoveu, na prática, uma aproximação entre linguistas e psicólogos.... more
Speech learning model aims to explain the variables contributing to the differences in L2 phonetic productions. Most previous studies comparing L2 vowel production with L1 vowel production mostly attribute the differences to the mother... more
Previous research has found that bilingual speakers' first (L1) and second languages (L2) are differentially associated with their emotional experiences. Moreover, bilinguals appear to code-switch (alternate between two or more languages... more
Previous research has found that bilingual speakers' first (L1) and second languages (L2) are differentially associated with their emotional experiences. Moreover, bilinguals appear to code-switch (alternate between two or more languages... more
Previous research has found that bilingual speakers’ first (L1) and second languages (L2) are differentially associated with their emotional experiences. Moreover, bilinguals appear to code-switch (alternate between two or more languages... more
Previous research has found that bilingual speakers' first (L1) and second languages (L2) are differentially associated with their emotional experiences. Moreover, bilinguals appear to code-switch (alternate between two or more languages... more
Both ageing and bilingualism can have positive as well as adverse cognitive effects. We investigated their combined impact on subcomponents of attention. We used the Attention Network Task to examine alerting, orienting, executive control... more
This experiment focused on the interaction between suggestive language and delayed recall of an event. Two independent variables were the verb used to describe a vehicular accident and the lapse of time before questioning the viewers. The... more
A child's academic path is greatly influenced by the linguistic skills they acquire in early childhood education. This study compares and analyses the linguistic skills of West Bengal primary school children attending private and... more
This mini research explores expressive aphasia-an acquired language disorder caused by stroke-through the lens of psycholinguistics, focusing on how brain injury affects language production while sparing comprehension. The study aims to... more
Capovilla, F. C. (2011). Políticas de educação regular e especial no Brasil: Sobre os perigos de tratar as crianças ouvintes como se fossem surdas, e as surdas, como se fossem ouvintes. In: A. Araújo (Org). Aprendizagem Infantil: uma... more
Dutch is perhaps not the first language one would mention when discussing pluricentric languages, but it functions as a language in several countries and it has three recognized standard varieties which are officially considered to be... more
Many statistics lecturers and statistics education researchers are interested to know the perception of their students' attitudes toward statistics during the statistics course. In statistics course, positive attitude toward statistics is... more
This study aims to investigate the acoustic properties of the native Pashto and English vowels spoken in District Mianwali. The main purpose of the study is to pin down the similarities and dis similarities in acoustic properties of both... more
Abstract (English) This paper explores the evolving role of the English language teacher in early childhood education (ages 4–6), focusing on Thai-speaking learners acquiring English as a Foreign Language (EFL). Grounded in... more
The present study investigates the interaction between syntax and semantics, and its effects on acceptability. The study compares ratings from two experimentsa syntactic rating task and a semantic one-the latter asking for meaningfulness/... more
The relationship between study habits (SHs), test anxiety (TA), and academic achievement (AA) is a crucial concern in English as a Foreign/Second Language (EFL/ESL) education, particularly due to the cognitive and psychological challenges... more
This study was conducted to determine whether (1) native English-speaking teachers can increase students' learning motivation in speaking skills, (2) Englishspeaking teachers can improve students’ achievement in spoken English, (3) there... more
Existing studies suggest that English speakers conceptualize time on both the sagittal and transverse axes (Casasanto & Jasmin, 2012), whereas Mandarin speakers conceptualize time on both the sagittal and vertical axes (Boroditsky 2001;... more
This study investigates the beliefs and attitudes of Libyan EFL (English as a Foreign Language) teachers toward error correction in language learning. A descriptive quantitative design was used to determine teachers' perceptions of... more
Dyslexia is a language/learning disability, and with its neurological origin, it is hard to determine if a specific person or a child is affected by it in an early stage. The teachers should use different strategies when teaching these... more
The present study concerns 39 samples out of 150 in total produced by one bilingual student of a primary school in Germany and including both simple and short sentences as well as more complex or in some cases complete paragraphs. The... more
Introduction. A modern child often finds himself in a multilinguistic environment, and even within the family, parents can speak different languages, and therefore it is necessary to understand the consequences for the child's cognitive... more
The English Teaching Course of the University of San Sebastian has stated general statements about the levels of proficiency in English that the students need to attain each semester. However, I feel there is the need to discuss, clarify... more
The study investigated the creativity of the learners of English as a second language at a state university in Sri Lanka. The sample consisted of 20 intermediate level second year undergraduates who were following the Core English... more
This qualitative study explores the impact of bilingualism on personal identity construction by analyzing the experiences of five bilingual individuals aged 18 to 27 who acquired or learned a second language in various contexts. Drawing... more
This chapter focuses on the simultaneous acquisition of two languages from birth, or what is generally referred to as bilingual first language acquisition (BFLA). A major question in studies of BFLA, and a focus of our review, is whether... more
The TESOL (Teaching English to Speakers Of Languages) Journal is a new, refereed, and abstracted publication which aims at providing free on-line access to all those involved in the research, teaching and learning of English as an... more
Language is often said to shape the very fabric of our thoughts and experiences by acting as a lens through which we see and understand the world. The present research explores the field of Linguistic Relativity in an effort to better... more
While the focus of bilingual research is frequently on simultaneous or early bilingualism, the interactions between late bilinguals' first language (L1) and second language (L2) have rarely been studied previously. To fill this research... more
In an era of interconnected communication and interaction, people need to embrace language learning for interpersonal, professional and personal development. This article indicates the importance of language maintance throughout life and... more
In an era of interconnected communication and interaction, people need to embrace language learning for interpersonal, professional and personal development. This article indicates the importance of language maintance throughout life and... more
The paper presents the results of the research into the acquisition of quantitative and qualitative features of English vowels by advanced ESL learners whose native language is Serbian, by investigating the level of attainment of the... more
Bilingual speakers are prompted to remain in a single language, switch between languages, or codeswitch by regulating the concurrent activation of their language systems and adapting to the demands of the communicative context. Unlike... more
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