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7141 Sherbrooke West, PY-033
Montreal, QC, H4B 1R6

514-848-2424 ext.5831

Our research investigates how infants from different language backgrounds, both monolingual and bilingual, grow and learn about their language(s).

Our team consists of Dr. Krista Byers-Heinlein and a group of dedicated students and research assistants. On our website you can meet the research team, learn about our research projects, download our publications, and find out how to participate in our studies or join our team. 


Explore some of our publications and presentations

or access Dr. Krista Byers-Heinlein's full CV!



 Access Dr. Krista Byers-Heinlein's full CV (last updated August 2018)

Grosjean, F., & Byers-Heinlein, K. (2018). The listening bilingual: Speech perception, comprehension, and bilingualism. Hoboken, NJ: John Wiley & Sons.   View Online

Chapters authored/co-authored by Dr. Byers-Heinlein:

(Chapter 1) Bilingual adults and children: A short introduction. PDF

(Chapter 2) Speech perception and comprehension. PDF

(Chapter 8) Speech perception. PDF

(Chapter 9) Spoken word recognition. PDF

Jardak, A., & Byers-Heinlein, B. (2018) Labels or concepts? The development of semantic networks in bilingual two-year-olds. Child Development.doi: 10.1111/cdev.13050   View Online

Byers-­Heinlein, K., Morin-­Lessard, E., & Lew-­Williams, C. (2017). Bilingual infants control their languages as they listen. Proceedings of the National Academy of Sciences. doi: 10.1073/pnas.1703220114    View Online

Byers-Heinlein, K. (2017). Bilingualism affects infants’ expectations about how words refer to kinds. Developmental Science, 20(1), e12486, doi: 10.1111/desc.12486   View Online

Byers-Heinlein, K., Behrend, D., Said, L. M., Giris, H., & Poulin-­Dubois, D. (2017). Monolingual and bilingual children’s social preferences for monolingual and bilingual speakers. Developmental Science, 20(4). doi: 10.1111/desc.12392   View Online

da Estrela, C., & Byers-Heinlein, K. (2016). Vois-tu le kem? Do you see the bos? Foreign word learning at 14-months. Infancy, 10(4), 505-521. doi: 10.1111/infa.12126   PDF / View Online

Byers-Heinlein, K., & Garcia, B. (2015). Bilingualism changes children’s beliefs about what is innate. Developmental Science, 18(2), 344–350. doi: 10.1111/desc.12248   PDF / View Online

Byers-Heinlein, K. (2014). High amplitude sucking procedure. In P. J. Brooks, & V. Kempe, [Eds.], Encyclopaedia of Language Development. Thousand Oakes, CA: Sage Publications. 263–264.   PDF / View Online

Byers-Heinlein, K. (2014). Languages as categories: Reframing the “one language or two” question in early bilingual development. Language Learning, 64(s2), 184–201. doi: 10.1111/lang.12055   PDF / View online

Fennell, C. T., & Byers-Heinlein, K. (2014). You sound like Mommy: Bilingual and monolingual infants learn words best from speakers typical of their language environments. International Journal of Behavioral Development, 38(4), 309-316. doi: 10.1177/0165025414530631   PDF / View online

Byers-Heinlein, K., & Fennell, C. T. (2014). Perceptual narrowing in the context of increased variation: Insights from bilingual infants. Developmental   Psychobiology, 65(2), 274–291. doi:10.1002/dev.21167   PDF / View online

Byers-Heinlein, K., Chen, K.H., & Xu, F. (2014). Surmounting the Tower of Babel: Monolingual and bilingual 2-year-olds’ understanding of the nature of foreign languages. Journal of Experimental Child Psychology, 119, 87-100. doi: 10.1016/j.jecp.2013.09.011   PDF / View online

Byers-Heinlein, K., & Lew-Williams, C. (2013). Bilingualism in the early years: What the science says. LEARNing Landscapes, 7(1), 95–112. PDF / View Online

Souza, A., Byers-Heinlein, K., & Poulin-Dubois, D. (2013). Bilingual and monolingual children prefer native-accented speakers. Frontiers in Developmental Psychology, 4(953). doi: 10.3389/fpsyg.2013.00953   PDF / View Online

Byers-Heinlein, K., & Werker, J.F. (2013). Lexicon structure and the disambiguation of novel words: Evidence from bilingual infants. Cognition, 128(3), 407–416. doi: 10.1016/j.cognition.2013.05.010   PDF / View online

Byers-Heinlein, K., Fennell, C.T., & Werker, J.F. (2013). The development of associative word learning in monolingual and bilingual infants. Bilingualism: Language and Cognition, 16(1), 198–205. doi: 10.1017/S1366728912000417   PDF / View online

Byers-Heinlein, K. (2013). Parental language mixing: Its measurement and the relation of mixed input to young bilingual children’s vocabulary size. Bilingualism: Language and Cognition, 16(1), 32–48. doi: 10.1017/S1366728911000010    PDF / View online   

May, L., Byers-Heinlein, K., Gervain, J., & Werker, J.F. (2011). Language and the newborn brain: Does prenatal language experience shape the neonate neural response to speech? Frontiers in Language Sciences, 2(222). doi: 10.3389/fpsyg.2011.00222   PDF / View online

Curtin, S.A., Byers-Heinlein, K, & Werker, J.F. (2011). Bilingual beginnings as a lens for theory development: PRIMIR in focus. Journal of Phonetics, 39, 492–504. doi: 10.1016/j.wocn.2010.12.002   PDF / View online

Byers-Heinlein, K., Burns, T.F., & Werker, J.F. (2010). The roots of bilingualism in newborns. Psychological Science, 21(3), 343–348. doi: 10.1177/0956797609360758   PDF / View online

Werker, J.F., Byers-Heinlein, K., & Fennell, C.T. (2009). Bilingual beginnings to learning words. Philosophical Transactions of the Royal Society B, 364, 3649–3663. doi: 10.1098/rstb.2009.0105   PDF / View online

Byers-Heinlein, K., & Werker, J.F. (2009). Monolingual, bilingual, trilingual: Infants’ language experience influences the development of a word learning heuristic. Developmental Science, 12(5), 815–823. doi: 10.1111/j.1467-7687.2009.00902.x   PDF / View online

Werker, J.F., & Byers-Heinlein, K. (2008). Bilingualism in infancy: First steps in perception and comprehension. Trends in Cognitive Sciences, 12(4), 144–151. doi: 10.1016/j.tics.2008.01.008   PDF / View online

Fennell, C.T., Byers-Heinlein, K., & Werker, J.F. (2007). Using speech sounds to guide word learning: The case of bilingual infants. Child Development, 78, 1510–1525. doi: 10.1111/j.1467-8624.2007.01080.x   PDF / View online

Byers-Heinlein, K., Hart J., Harisson, T., Matchett, J., & Byers, S. (2004).  Passing the Torch: students teaching students about dating violence. In M.L. Stirling, C.A. Cameron, N. Nason-Clark & B. Miedema. Understanding Abuse: partnering for change. Toronto: University of Toronto Press, 297-319.   PDF