Bilingual Brains, Monolingual Worlds: A Comparative Study of Cognitive and Linguistic Capabilities
DOI:
https://doi.org/10.17507/tpls.1511.17Keywords:
bilingualism, critical thinking, cognitive capabilities, academic progression, brain efficacyAbstract
This research study examines brain efficacy between Arabic-monolingual and English-Arabic bilingual university students by evaluating their vocabulary acquisition, learning capacity, thinking ability, and critical thinking skills. The study also explores the impact of academic semester progression on cognitive performance in both groups. A mixed-methods approach was employed. The study included 222 randomly selected students from various semesters. Data were collected via structured questionnaires, classroom activities, and performance-based assessments. The statistical analyses encompassed descriptive statistics, Chi-square tests, and t-tests. Cronbach’s alpha was employed to validate the reliability of the questionnaire responses. Findings indicated that bilingual students outperformed their monolingual counterparts in cognitive flexibility, adaptability, and critical thinking skills. They also demonstrated greater capabilities in vocabulary acquisition and abstract problem-solving. In contrast, monolingual students demonstrated proficiency in activities that necessitated repetition and organization, yet they had difficulties with abstract reasoning. Semester progression improved cognitive performance in both groups, with bilingual students exhibiting a steeper trajectory of improvement. The study provides a distinctive analysis of cognitive differences between monolingual and bilingual students, highlighting the influence of bilingualism on enhancing learning and critical thinking skills. It also highlights the positive impact of academic progression on cognitive developments. The results endorse the cognitive benefits of bilingualism, particularly in activities that require mental flexibility and abstract thinking.
References
Adesope, Olusola O., Tracy Lavin, Terri Thompson, & Charles Ungerleider. (2010). “A Systematic Review and Meta-Analysis of the Cognitive Correlates of Bilingualism.” Review of Educational Research, 80(2), 207–45. DOI: 10.3102/0034654310368803
Albert, Raymond T., Rachel E. Albert, & Jenny Radsma. (2002). “Relationships among Bilingualism, Critical Thinking Ability, and Critical Thinking Disposition”. Journal of Professional Nursing, 18(4), 220–29.
Alias, Norma. (2018). “Vocabulary Learning Strategies (VLSS) through Secondary Students at Saudi School in Malaysia (SSM) a Pilot Study.” International Education & Research Journal, 4(2), 48–53. E-ISSN No: 2454-9916.
Alqahtani, Mofareh. (2015). “The Importance of Vocabulary in Language Learning and How to Be Taught.” International Journal of Teaching and Education, 3(3), 21–34. DOI: 10.20472/TE.2015.3.3.002
Altman, Carmit, Tamara Goldstein, & Sharon Armon-Lotem. (2017). “Quantitative and Qualitative Differences in the Lexical Knowledge of Monolingual and Bilingual Children on the LITMUS-CLT Task.” Clinical Linguistics & Phonetics, 31(11–12):931–54. DOI: 10.1080/02699206.2017.1312533
Anderson, John A. E., John G. Grundy, Cheryl L. Grady, Fergus I. M. Craik, & Ellen Bialystok. (2021). “Bilingualism Contributes to Reserve and Working Memory Efficiency: Evidence from Structural and Functional Neuroimaging.” Neuropsychologia, 163, 108071. https://doi.org/10.1016/j.neuropsychologia.2021.108071
Barac, Raluca, & Ellen Bialystok. (2012). “Bilingual Effects on Cognitive and Linguistic Development: Role of Language, Cultural Background, and Education.” Child Development, 83(2), 413–22. doi: 10.1111/j.1467-8624.2011.01707.x
Bialystok, Ellen. (2007). “Acquisition of Literacy in Bilingual Children: A Framework for Research.” Language Learning, 57, 45–77. https://doi.org/10.1111/j.1467-9922.2007.00412.x
Bialystok, Ellen. (2011). “Reshaping the Mind: The Benefits of Bilingualism.” Canadian Journal of Experimental Psychology/Revue Canadienne de Psychologie Expérimentale, 65(4), 229. DOI: 10.1037/a0025406
Bialystok, Ellen, Gigi Luk, Kathleen F. Peets, & Yang Sujin. (2010). “Receptive Vocabulary Differences in Monolingual and Bilingual Children.” Bilingualism: Language and Cognition, 13(4), 525–31. DOI: 10.1017/S1366728909990423
Bialystok, Ellen, & Michelle, M. Martin. (2004). “Attention and Inhibition in Bilingual Children: Evidence from the Dimensional Change Card Sort Task.” Developmental Science, 7(3), 325–39. DOI: 10.1111/j.1467-7687.2004.00351.x
Buchweitz, Augusto, & Chantel Prat. (2013). “The Bilingual Brain: Flexibility and Control in the Human Cortex.” Physics of Life Reviews, 10(4), 428–43. DOI: 10.1016/j.plrev.2013.07.020
Chaudhary, Arslan Asad. (2018). “Enhancing Academic Achievement and Language Proficiency Through Bilingual Education: A Comprehensive Study of Elementary School Students.” Educational Administration: Theory and Practice, 24(4), 803–12. DOI:10.53555/kuey.v24i4.7268
Chibaka, Evelyn Fogwe. (2018). “Advantages of Bilingualism and Multilingualism: Multidimensional Research Findings.” Multilingualism and Bilingualism, 15. DOI:10.5772/intechopen.74625
Costa, Albert, Mireia Hernández, & Núria Sebastián-Gallés. (2008). “Bilingualism Aids Conflict Resolution: Evidence from the ANT Task.” Cognition, 106(1), 59–86. DOI: 10.1016/j.cognition.2006.12.013
Cronbach, Lee J. (1951). “Coefficient Alpha and the Internal Structure of Tests.” Psychometrika, 16(3), 297–334. https://doi.org/10.1007/BF02310555
DeAnda, Stephanie, Kristi Hendrickson, Pascal Zesiger, Diane Poulin-Dubois, & Margaret Friend. (2018). “Lexical Access in the Second Year: A Study of Monolingual and Bilingual Vocabulary Development.” Bilingualism: Language and Cognition, 21(2), 314–27. doi: 10.1017/S1366728917000220
De Groot, Annette M. B. (2011). Language and Cognition in Bilinguals and Multilinguals: An Introduction. Psychology press. DOI:10.1017/CBO9781107425965.012
Ellis, Elizabeth M. (2008). “Defining and Investigating Monolingualism.” Sociolinguistic Studies, 2(3), 311–30. DOI:10.1558/sols.v2i3.311
Gathercole, Virginia C. Mueller, & Enlli Môn Thomas. (2009). “Bilingual First-Language Development: Dominant Language Takeover, Threatened Minority Language Take-Up.” Bilingualism: Language and Cognition, 12(2), 213–37. DOI:10.1017/S1366728909004015
Gracia-Tabuenca, Zeus, Elise B. Barbeau, Shanna Kousaie, Jen-Kai Chen, Xiaoqian Chai, & Denise Klein. (2024). “Enhanced Efficiency in the Bilingual Brain through the Inter-Hemispheric Cortico-Cerebellar Pathway in Early Second Language Acquisition.” Communications Biology, 7(1), 1298. https://doi.org/10.1038/s42003-024-06965-1
Greve, Werner, Martin Koch, Verena Rasche, & Kristin Kersten. (2024). “Extending the Scope of the ‘Cognitive Advantage’Hypothesis: Multilingual Individuals Show Higher Flexibility of Goal Adjustment.” Journal of Multilingual and Multicultural Development, 45(4), 822–38. DOI:10.1080/01434632.2023.2189262
Guzmán-Vélez, Edmarie, & Daniel Tranel. (2015). “Does Bilingualism Contribute to Cognitive Reserve? Cognitive and Neural Perspectives.” Neuropsychology, 29(1), 139. DOI: 10.1037/neu0000105
Hommel, Bernhard, Lorenza S. Colzato, Rico Fischer, & Ingrid K. Christoffels. (2011). “Bilingualism and Creativity: Benefits in Convergent Thinking Come with Losses in Divergent Thinking.” Frontiers in Psychology, 2, 273. https://doi.org/10.3389/fpsyg.2011.00273
Jumani, Shahnaz, Saira Maqbool, & Azeem Alphonce. (2024). “Effect of Bilingualism on Intelligence and Academic Achievement of EFL Learners.” Pakistan Languages and Humanities Review, 8(1), 195–204. https://doi.org/10.47205/plhr.2024(8-I)17
Kaushanskaya, Margarita, & Viorica Marian. (2009). “The Bilingual Advantage in Novel Word Learning.” Psychonomic Bulletin & Review, 16, 705–10. doi:10.3758/PBR.16.4.705
Kharkhurin, Anatoliy V. (2008). “The Effect of Linguistic Proficiency, Age of Second Language Acquisition, and Length of Exposure to a New Cultural Environment on Bilinguals’ Divergent Thinking.” Bilingualism: Language and Cognition, 11(2), 225–43. DOI:10.1017/S1366728908003398
Koch, Martin J., Werner Greve, & Kristin Kersten. (2023). “Extending the Cognitive Advantage Hypothesis: A Conceptual Replication Study of the Relationship between Multilingualism and Flexible Goal Adjustment.” Journal of Multilingual and Multicultural Development, 1–15. DOI:10.1080/01434632.2023.2189262
Korenar, Michal, Jeanine Treffers-Daller, & Christos Pliatsikas. (2023). “Two Languages in One Mind: Insights into Cognitive Effects of Bilingualism from Usage-Based Approaches.” Naše Řeč, 106(1). DOI:10.58756/n11062303
Leikin, Mark. (2013). “The Effect of Bilingualism on Creativity: Developmental and Educational Perspectives.” International Journal of Bilingualism, 17(4), 431–47. DOI:10.1177/1367006912438300
Li, Mingyue, & Mairin Hennebry-Leung. (2024). “Effects of Monolingual and Bilingual Subtitles on L2 Vocabulary Acquisition.” International Review of Applied Linguistics in Language Teaching, 62(2), 843–70. https://doi.org/10.1515/iral-2022-0034
Mackenzie, Cory. (2024). “Effects of Bilingualism on Cognitive Processing.” European Journal of Linguistics, 3(1), 1–12. Retrieved January 24, 2025, from https://www.carijournals.org/journals/index.php/ejl/article/view/1767/2139
MacWhinney, Brian, Ali Panahi, & Hassan Mohebbi. (2024). “Brian MacWhinney’s 55 Years Research into Language Education and Psychology: A Systematic Review and Brian MacWhinney’s Personal Reflection.” Language Teaching Research, 44, 129–98. https://doi.org/10.3390/brainsci7070086
Marian, Viorica, & Anthony Shook. (2012). “The Cognitive Benefits of Being Bilingual.” Cerebrum: the Dana forum on brain science, Vol. 2012. Dana Foundation.
Morales, Julia, Alejandra Calvo, & Ellen Bialystok. (2013). “Working Memory Development in Monolingual and Bilingual Children.” Journal of Experimental Child Psychology, 114(2), 187–202. https://doi.org/10.1016/j.jecp.2012.09.002
Nagy, William. (2007). “Metalinguistic Awareness and the Vocabulary-Comprehension Connection.” Vocabulary Acquisition: Implications for Reading Comprehension, 52–77.
Nematollahi, Batoul, Fatemeh Behjat, & Ali Asghar Kargar. (2017). “A Meta-Analysis of Vocabulary Learning Strategies of EFL Learners.” English Language Teaching, 10(5), 1–10. DOI:10.5539/elt.v10n5p1
Plass, Jan L., Roxana Moreno, & Roland Brünken. (2010). “Cognitive Load Theory.” https://doi.org/10.1017/CBO9780511844744
Pliatsikas, Christos. (2019). “Multilingualism and Brain Plasticity.” The Handbook of the Neuroscience of Multilingualism, 230–51.
Prior, Anat, & Janet G. van Hell. (2021). “Including Bilingual Participants in Cognitive Research.” Bilingualism across the lifespan, pp. 47–65. Routledge. https://doi.org/10.4324/9781315143996-5
Privitera, Adam John, & Brendan Weekes. (2023). “Scoping Review of Research Practices in the Investigation of Bilingual Effects on Inhibition and Attention in Young People.” International Journal of Bilingualism, 27(5), 749–75. https://doi.org/10.1177/13670069221121498
Rabiah, Sitti. (2018). “Language as a Tool for Communication and Cultural Reality Discloser.” Paper presented at the 1st International Conference on Media, Communication and Culture: Rethinking Multiculturalism—Media in Multicultural Society, Universitas Muhammadiyah Yogyakarta and Universiti Sains Mahammadiyah Yogyakarta, Indonesia.
Roberts, Leah, Jorge González Alonso, Christos Pliatsikas, & Jason Rothman. (2018). “: Can It Actually Inform Linguistic/Language Acquisition Theories and Translate to Evidence-Based Evidence from Neurolinguistic Methodologies Applications?” Second Language Research, 34(1), 125–43. https://doi.org/10.1177/0267658316644010
Schwartz, Mila, & Åsa Palviainen. (2016). “Twenty-First-Century Preschool Bilingual Education: Facing Advantages and Challenges in Cross-Cultural Contexts.” International Journal of Bilingual Education and Bilingualism, 19(6), 603–13. https://doi.org/10.1080/13670050.2016.1184616
Sharafi-Nejad, Maryam, Shohreh Raftari, Shaik Abdul Malik Mohamed Ismail, & Lin Siew Eng. (2016). “Exploring the Effectiveness of Critical Thinking on Vocabulary Learning by Malaysian EFL Learners.” DOI:10.5296/jse.v6i2.9520
Silverman, Rebecca D., C. Patrick Proctor, Jeffrey R. Harring, Anna M. Hartranft, Brie Doyle, & Sarah B. Zelinke. (2015). “Language Skills and Reading Comprehension in English Monolingual and Spanish–English Bilingual Children in Grades 2–5.” Reading and Writing, 28, 1381–1405. https://doi.org/10.1007/s11145-015-9575-y
Sweller, John. (2011). “Cognitive Load Theory.” Psychology of learning and motivation, Vol. 55, pp. 37–76. Elsevier. https://doi.org/10.1017/CBO9780511844744
Tao, Lily, Gongting Wang, Miaomiao Zhu, & Qing Cai. (2021). “Bilingualism and Domain-General Cognitive Functions from a Neural Perspective: A Systematic Review.” Neuroscience & Biobehavioral Reviews, 125, 264–95. https://doi.org/10.1016/j.neubiorev.2021.02.029
Wiseheart, Melody, Mythili Viswanathan, & Ellen Bialystok. (2016). “Flexibility in Task Switching by Monolinguals and Bilinguals.” Bilingualism: Language and Cognition, 19(1), 141–46. https://doi.org/10.1017/S1366728914000273
Yang, Eunju. (2017). “Bilinguals’ Working Memory (WM) Advantage and Their Dual Language Practices.” Brain Sciences, 7(7), 86. doi: 10.3390/brainsci7070086
Yayla, Ahmet, Ishak Kozikoglu, & Sehnaz Nigar Celik. (2016). “A Comparative Study of Language Learning Strategies Used by Monolingual and Bilingual Learners.” European Scientific Journal, 12(26). doi: 10.19044/esj. 2016.v12n26p1
Yurtsever, Asli, John A. E. Anderson, & John G. Grundy. (2023). “Bilingual Children Outperform Monolingual Children on Executive Function Tasks Far More Often than Chance: An Updated Quantitative Analysis.” Developmental Review, 69, 101084. https://doi.org/10.1016/j.dr.2023.101084