Contact Us

Use the form on the right to contact us.

You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right. 

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. 

In the News

Feel free to explore some of our appearances in the media!


In the news

 Bilinguals hear sound differently - Global News Morning

(February 19, 2019)

A new Concordia study shows that bilinguals hear sounds differently based on the language that they think they’re listening to. Co-author of the study Krista Byers-Heinlein joins Global’s Laura Casella to tell us what sounds are heard differently by a native English speaker versus a native French speaker. Find the interview here.

Q&A: Do bilinguals process sounds differently? - CTV News Montreal

(February 7, 2019)

Different languages have different sounds- how do bilinguals navigate this? Dr. Byers-Heinlein talks about a study investigating how “bah” and “pah” sounds are interpreted depending on what language participants thought they were hearing. Find the interview here.

« Bonjour, Hi » le bilinguisme chez les enfants - L’œuf ou la poule

(November 12, 2018)

What does it mean to be bilingual? Can a newborn be bilingual? Is there an advantage to learning a language earlier? Does daily bilingual exposure affect children? What are good strategies to raise a bilingual or trilingual child? Does early bilingualism affect other skills? How do you know a baby is bilingual if they can’t speak yet? Does bilingualism influence how children think? Why do some people speak with an accent and others not? What kind of research do we see in the lab’s future? What does a typical day look like in a researcher’s life? Carine Monat-Reliat interviews Dr. Byers-Heinlein (interview from 16:30 to 33:35)

Deux in one! Krista Byers-Heinlein on how bilingual babies comprehend two languages - Journal Coverage Podcast (September 4, 2017)

Sumeet Pal Singh interviews Dr. Byers-Heinlein on how kids make sense of a bilingual world. They discuss how she found 'an expectation' for one language within a single sentence, suggesting that kids efficiently parse information that helps them comprehend and learn multiple languages at the same time. Find the story here


Bilingual Infants Learning New Words - Princeton University News (August 7, 2017)

Princeton University News takes a look at a Dr. Byers-Heinlein, Elizabeth Morin-Lessard, & Dr. Lew-William's new article published in Proceedings of the National Academy of Sciences     Find the story here


Bilingual Infants Learning New Words - Psychology Today (August 2, 2017)

Dr. François Grosjean interviews Dr. Byers-Heinlein on how bilingual infants manage to learn similar-sounding words. Find the story here

One, dos, drei: Why speaking more than one language is good for the brain - Deutsche Welle (August 1, 2016)

There are benefits to being multilingual beyond being able to communication with more people. Find the story here


Bilingual education changes kids’ beliefs - Mountain Lake PBS (March 20, 2015)

Where does somebody’s native language come from? New research suggests that kids answer differently depending on their language environment. Find the story here


Learning language, easier or harder in a bilingual environment? - Radio Canada International (June 4, 2014)

Dr. Krista Byers-Heinlein debunks a few myths concerning infants who grow up bilingual. “We found that both monolingual and bilingual children could learn the words, but only from a speaker who matched their language-learning environment.” says Krista Byers-Heinlein. Find the story here

For more stories on this subject

A Lesson in Language: Dossier on Multilingualism - Panoram Italia (February 10, 2014)

Bambins bilingues, enfants brillants - La Presse (May 13, 2013)

Bilingual babies - Global Montreal (January 31, 2013)

Est-ce que les nouveau-nées peuvent être bilingue? - Tam Tam, Radio Canada International (March 10, 2010)

Learning a Second Language - Today’s Parent (April, 2009)




Dual-language babies may be smarter - Montreal Gazette (January 17, 2013)

Bilinguals infants who are exposed to “language mixing” may start off with smaller vocabularies than monolinguals. However, that temporary drawback is offset by the “cognitive advantages” that come with bilingualism. Find the story here

For more stories on this subject

Growing up bilingual: Dual-language upbringing reflected in young children's vocabulary - Medical Xpress (January 16, 2013)

Milieu bilingue: amoindrissement temporaire du vocabulaire - Journal de Montréal (January 16, 2013)

A dual-language upbringing reflected in young children's vocabulary, Concordia study shows - Concordia NOW (January 15, 2013)




Babies are naturally bilingual! - Le Devoir (October 22, 2011)

"Among other things, I studied mothers who spoke two languages during their pregnancy,” she says. “The fetus’ hearing is already highly developed in the last months of pregnancy, and they are listening to everything their mother is saying.” PDF

For more stories on this subject

Bilingual Babies: The Roots of Bilingualism in Newborns - APS Observer (March 2010)

Two languages in the womb - The Link, Radio Canada International (February 22, 2010)

Hearing two languages in womb puts babies on bilingual path - Vancouver Sun (February 19, 2010)

Bilinguisme prénatal - Radio Canada (February 17, 2010)

Bilingual babies in utero - As It Happens, CBC Radio (February 17, 2010)

Bilingual acquisition begins in utero, study finds - The Globe and Mail (February 17, 2010)

Living language laboratory - Concordia NOW magazine (November 22, 2010)


Star researcher: Krista Byers-Heinlein wins the competition, "Ça mérite d'être reconnu!" - Concordia NOW (October 12, 2011) Find the story here

Dr. Krista Byers-Heinlein is named star researcher as one of the four winners of the "Ça mérite d’être reconnu!" competition.


What happens when a baby learns two languages at the same time - Ready, Set, Grow, KTCS Television, PBS (May 27, 2009)

Bilingual babies are able to discriminate their two languages when they hear them. Study shows they also keep the capacity of using visual cues to distinguish between languages longer than monolinguals.






Bébé speaks deux langues - L’Express du Pacifique (November 28, 2005) PDF

Dr. Janet Werker and Dr. Krista Byers-Heinlein discuss their research with bilinguals in British Columbia.