Publications

2025

• Keijzer, M. (in press). Language learning in later adulthood. In: Chapelle, C. Encyclopedia of Applied Linguistics (2nd ed.). Wiley.
• van den Berg, F., Buurke, R., Brouwer, J., Loerts, H., Knooihuizen, R., Bartelds, M. & Keijzer, M. (2025). Bilingual engagement and cognition across the adult lifespan: Insights from regional minority langauge speakers in the north of the Netherlands. Bilingualism: Language & Cognition, 1-14. https://doi.org/10.1017/s136672892510062X 
• van den Berg, F., Brouwer, J., Loerts, H., Knooihuizen, R., & Keijzer, M. (2025). The association between multilingual experience factors and cognitive functioning in older adults: A Lifelines study. The Journals of Gerontology: Series B, 80(3), gbae200. https://doi.org/10.1093/geronb/gbae200.
• Harding, E., Gaudrain, E., Tillmann, B., Maat, B., Harris, R., Free, R., & Başkent, D. (2025). Vocal and musical emotion perception, voice cue discrimination, and quality of life in cochlear implant users with and without acoustic hearing. Quarterly Journal of Experimental Psychology, https://doi.org/10.1177/17470218251316499
• Harding, E. E., Kim, J. C., Demos, A. P., Roman, I. R., Tichko, P., Palmer, C., & Large, E. W. (2025). Musical neurodynamics. Nature Reviews Neuroscience, 1-15. https://doi.org/10.1038/s41583-025-00915-4
• Hopp, H., Schimke, S., Överdieck, D., Gastmann, F., & Poarch, G.J. (2025). Learning via processing: Structural priming across grammatical structures and languages in early L2 development. Language Learning. https://doi.org/10.1111/lang.12711
• Kootstra, G.J., & Poarch, G.J. (2025). Are we speaking the same language? Towards a more unified conception of translanguaging. Linguistic Approaches to Bilingualism, 15(1), 72-76. https://doi.org/10.1075/lab.24084.koo
• Gastmann, F., Schimke, S. & Poarch, G.J. (2025). Conducting psycholinguistic research online: Comparable evidence of second language lexical and sentence-level processing in web-based versus lab-based studies. Bilingualism: language and Cognition, 1-14. https://doi.org/10.1017/S136672892510028X. 

2024

• Brouwer, J., van den Berg, F., Knooihuizen, R., Loerts, H., & Keijzer, M. (2024). The effects of language learning on cognitive functioning and psychosocial well-being in cognitively healthy older adults: A semi-blind randomized controlled trial. Aging, Neuropsychology and Cognition, 1-37. https://doi.org/10.1080/13825585.2024.2384107
• Brouwer, J., Buurke, R., van den Berg, F., Knooihuizen, R., Loerts, H., Bartelds, M., Wieling, M., & Keijzer, M. (2024). Minority language happiness: the link between social inclusion, well-being, and speaking a regional language in the northern Netherlands. Ampersand, 12, Article 100173. https://doi.org/10.1016/j.amper.2024.100173
• Hopp, H., Schimke, S., Överdieck, D., Gastmann, F., & Poarch, G.J. (2024). Processing to learn non-canonical word orders: Exploring linguistic and cognitive predictors of reanalysis in early L2 sentence comprehension. Studies in Second Language Acquisition, 46(3), 686-709. https://doi.org/10.1017/S0272263123000451
• Lo, CY, Zendel, BR, Başkent, D, Boyle, C, Coffey, E, Gagne, N, Habibi, A, Harding, E, Keijzer, M, Kreutz, G, Maat, B, Schurig, E, Sharma, M, Dang, C, Gilmore, S, Henshaw, H, McKay, CM, Good, A, Russo, FA, 2024. Speech-in-noise, psychosocial, and heart rate variability outcomes of group singing or audiobook club interventions for older adults with unaddressed hearing loss: A SingWell Project multisite, randomized controlled trial, registered report protocol. PLoS One, 19(12). https://doi.org/10.1371/journal.pone.0314473
• Porkert, J., Siyanova-Chanturia, A., Loerts, H., Schüppert, A., & Keijzer, M. (2024). N400 or P600?—A Systematic Review of ERP Studies on Gender Stereotype Violations. Language and Linguistics Compass, 18(5). https://doi.org/10.1111/lnc3.12530

2023

• Duarte Wirth, B., Auer, A. & Keijzer, M. (2023). First language attrition: Bridging sociolinguistic narratives and psycholinguistic models of attrition. In Li Wei, Zhu Hua, James Simpson (eds.), The Routledge Handbook of Applied Linguistics, Routledge. Taylor and Francis Inc.
• Festman, J., & Poarch, G.J. (2023). Theories and models in cognitive bilingualism. In A. Ferreira & J.W. Schwieter (Eds.), The Routledge Handbook of Translation, Interpreting and Bilingualism (pp. 27–44). Routledge.
• van Kampen, E., van den Berg, F., Brouwer, J., & Keijzer, M. (2023). Never too old to learn – third age adults experience little (self-)ageism or barriers to learning. Social Sciences & Humanities Open, 7(1), article 100384. https://doi.org/10.1016/j.ssaho.2022.100384
• Keijzer, M., Brouwer, J., van den Berg, F., van der Ploeg, M. (2023). Experimental methods to study late-life language learning. In S. Zuffery & P. Gygax (Eds.), Routledge Handbook of Experimental Linguistics. Routledge.
• van der Ploeg, M., Keijzer, M., & Lowie, M (2023). Language pedagogies and late-life language learning proficiency. International Review of Applied Linguistics in Language Teaching, 63(1), pp.303-240. https://doi.org/10.1515/iral-2023-0079
• van der Ploeg, M., Lowie, M., & Keijzer, M. (2023). The Effects of Language Teaching Pedagogy on Cognitive Functioning in Older Adults. Behavioral Sciences 13(3). https://doi.org/10.3390/bs13030199 
• Porkert, J., Loerts, H., Schüppert, A., & Keijzer, M. (2023). Pronouns in the Brain. In L.L. Paterson (Ed.), The Routledge Handbook of Pronouns (pp. 89-103). Routledge, Taylor and Francis. 

2022

• Auer, A. & Duarte Wirth B. (2022), Language, ageing and well-being in multilingual Switzerland. In Merminod Gilles, Weber Orest, Wenger Vincent (eds.), Langues, médecine et société : Mélanges en l’honneur de Pascal Singy, Éditions Lambert-Lucas.
• Gastmann, F., & Poarch, G.J. Cross-language activation during word recognition in child second-language learners and the role of executive function. Journal of Experimental Child Psychology (221). https://doi.org/10.1016/j.jecp.2022.105443
• Nijmeijer, S., van Tol., M.J., Aleman, A., & Keijzer, M, (2022). Musical and multilingual experience are related to healthy aging: better some than none but even better together. The Journals of Gerontology: Series B (gbac185). https://doi.org/10.1093/geronb/gbac185
• Van der Ploeg, M. & Blankinship, B. (2022). Online language learning in the third-age: concrete recommendations to improve seniors’ learning experiences. Gerontology & Geriatrics Education. https://doi.org/10.1080/02701960.2022.2143357
• Van der Ploeg, M., Willemsen, A., Richter, L., Keijzer, M., & Koole, T. (2022). Requests for assistance in the third-age language classroom. Classroom Discourse, 13(4), https://doi.org/10.1080/19463014.2021.2013910
• Van den Berg, F., Brouwer, J., Tienkamp, T.B., Verhagen, J., & Keijzer, M. Language Entropy Relates to Behavioral and Pupil Indices of Executive Control in Young Adult Bilinguals. Frontiers in Psychology, (13). https://doi.org/10.3389/fpsyg.2022.864763

2021

• Nijmeijer, S. E. , van Tol, M.-J. , Aleman, A. & Keijzer, M. (2021). Foreign Language Learning as Cognitive Training to Prevent Old Age Disorders? Protocol of a Randomized Controlled Trial of Language Training vs. Musical Training and Social Interaction in Elderly With Subjective Cognitive Decline. Front. Aging Neurosci. https://doi.org/10.3389/fnagi.2021.550180

2020

• Brouwer, J., van den Berg, F., Knooihuizen, R., Loerts, H., & Keijzer, M. (2020). Exploring language learning as a potential tool against cognitive impairment in late-life depression: two meta-analyses and suggestions for further research. Behavioral Sciences 10(9), 132. https://doi.org/10.3390/bs10090132
• van der Ploeg, M., Keijzer, M., & Lowie, W. (in press). Methodological concerns and their solutions in third-age language learning studies. Dutch Journal of Applied Linguistics.https://doi.org/10.1075/dujal.19036.van

2019

• Keijzer, M. & de Bot, K. (2019). Unlearning and relearning of languages from childhood to late adulthood. In: Ortega, L. & de Houwer, A. (Eds.), Handbook of Bilingualism (pp. 267-285). Cambridge: Cambridge University Press.
• Köpke, B. & Keijzer, M. (2019). Introduction to psycholinguistic and neurolinguistic aproaches to language attrition. In: Schmid, M.S. & Köpke, B. (Eds.), The Oxford Handbook of Language Attrition (pp. 62-72). Oxford University Press. https://doi.org/10.1093/oxfordhb/9780198793595.013.6
• Pot, A., Porkert, J., & Keijzer, M. (2019). The Bidirectional in Bilingual: Cognitive, Social and Linguistic Effects of and on Third-Age Language Learning. Behavioral Sciences, 9(9). https://doi.org/10.3390/bs9090098 

2018

• Pot, A., Keijzer, M., & de Bot, K. (2018). Intensity of multilingual language use predicts cognitive performance of in some multilingual older adults. Brain Sciences, 8(5), 92.
• Pot, A., Keijzer, M. & de Bot, K. (2018). The language barrier in migrant aging. International Journal of Bilingualism and Bilingual Education.
• Pot, A., Keijzer, M. & de Bot, K. (2018). Do low L2 abilities impede healthy aging for migrant older adults in the Netherlands. Dutch Journal of Applied Linguistics, 7(1), 109-120.
• Pot, A., Keijzer, M. & de Bot, K. (2018). De taalbarrière bij oudere Turkse vrouwen nader onderzocht. Tijdschrift voor Gerontologie en Geriatrie, 49(6), 274-282.

2017

• Keijzer, M. & Schmid, M.S. (2017). Individual differences in cognitive control advantages of elderly late Dutch-English bilinguals. In Bialystok, E., & Sullivan, M. (Eds.), Bilingualism and Aging (pp.77-98). Amsterdam: John Benjamins.
• Pot, A., Keijzer, M., & de Bot, K. (2017). Enhancing language awareness in migrants‘ third age to promote wellbeing. In: Gabryś-Barker, D. (Ed.), Third Age Learners of Foreign Lanugages. Clevedon: Multilingual Matters.

2016

• Keijzer, M. & Schmid, M.S. (2016). Individual differences in cognitive control advantages of elderly late Dutch-English bilinguals. In Aging and Bilingualism. Special issue of Linguistic Approaches to Bilingualism, 6(1/2), Edited by Ellen Bialystok and Margot D. Sullivan.  (pp. 64–85).

2013

• Keijzer, M.C.J. (2013). Working memory capacity, inhibitory control and the role of L2 proficiency in aging L1 Dutch-English speakers of near-native L2 English. Brain Sciences (Special Issue: Brain & Language), 3, 1261-1281.

2010

• Keijzer, M.C.J. (2010). The regression hypothesis as a theoretical framework for first language attrition. Bilingualism: Language and Cognition, 13(1), 9-18.

2009

• Schmid, M.S. & Keijzer, M.C.J. (2009). First language attrition and reversion among older migrants. International Journal of the Sociology of Language, 2009(200), 83-101.

2007

• Keijzer, M.C.J. (2007). Last in First out? An investigation of the regression hypothesis in Dutch emigrants in Anglophone Canada. Utrecht: LOT dissertation series no. 163.
• Köpke, B., Schmid, M.S., Keijzer, M. & Dostert, S. (Eds.) (2007). Language Attrition: Theoretical perspectives. Amsterdam: John Benjamins.

2004

• Schmid, M.S., Köpke, B., Keijzer, M.C.J. & Weilemar, L. (Eds.) (2004). First Language Attrition: Interdisciplinary perspectives on methodological issues. Amsterdam: John Benjamins.
• Keijzer, M.C.J. (2004). First language attrition: A cross-linguistic investigation of Jakobson’s regression hypothesis. International Journal of Bilingualism, 8(3), 398-394.