Journal Articles


Orena, A.J., Mader, A.S., & Werker, J.F. (2022). Learning to recognize unfamiliar voices: An online study with 12-and 24-month-olds. Frontiers in Psychology, Developmental Psychology, (13), 874411. (Open Access)

Arredondo, M.M., Aslin, R.N., & Werker, J.F. (2022). Bilingualism alters infants’ cortical organization for attentional orienting mechanisms. Developmental Science, 25(2), e13172.

Arredondo, M.M, Aslin, R.N., Zhang, M., & Werker, J.F. (2022) Attentional orienting abilities in bilinguals: Evidence from a large infant sample. Infant Behavior and Development, 66, 101683.

Weatherhead, D., & Werker, J. F. (2022). 20‐month‐olds selectively generalize newly learned word meanings based on cues to linguistic community membership. Developmental Science, e13234. Advance Online.


Choi, D., Dehaene-Lambertz, G., Peña, M., & Werker, J.F. (2021). Neural Indicators of articulator-specific sensorimotor influences on infant speech perception. Proceedings of the National Academy of Science, 118(20), e2025043118. (Open Access)

The ManyBabies Consortium, with Werker. J.F. and 37 others (2021). A multi-lab study of bilingual infants: Exploring the preference for infant-directed speech. Advances in Methods and Practices in Psychological Science, 4(1), 1-30. (Open Access)

Orena, A.J. & Werker, J.F. (2021). Infants’ Mapping of New Faces to New Voices. Child Development. (Advance Online)

Reh, R., Hensch, T., & Werker, J.F. (2021). Distributional learning of speech sound categories is gated by sensitive periods. Cognition, 213, 104653.

Weatherhead, D., Arredondo, M.M., Nácar Garcia, L., & Werker, J.F. (2021). The role of audiovisual speech in fast-mapping and novel word retention in monolingual and bilingual 24-month-olds. Brain Sciences, 11, 114. (Open Access)

Weatherhead, D., Kandhadai, P., Hall, D.G., & Werker, J.F. (2021). Putting mutual exclusivity in context: Speaker race influences monolingual and bilingual infants’ word-learning assumptions. Child Development. 92(5), 1735-1751.


Choi, D., Batterink, L., Black A., & Werker, J.F. (2020). Prelingual infants discover statistical word patterns at similar rates as adults: Evidence from neural entrainment. Psychological Science, 31(9), 1161-1173.

de la Cruz Pavía, I., Gervain, J., Vatikiotis-Bateson, E., & Werker, J.F. (2020). Co-verbal speech gestures signal phrase boundaries: A production study of Japanese and English infant- and adult-directed speech. Language Acquisition, 27(2), 160-186. (Open Access)

de la Cruz Pavía, I., Werker, J.F., Vatikiotis-Bateson, E., & Gervain, J. (2020). Finding phrases: The interplay of word frequency, phrasal prosody and co-verbal visual information in chunking speech by monolingual and bilingual adults. Language and Speech, 63(2), 264-291. (Open Access)

The ManyBabies Consortium, with Werker. J.F. and 148 others (2020). Quantifying sources of variability in infancy research using the infant-directed speech preference. Advances in Methods and Practices in Psychological Science, 3(1), 24-52. (Open Access)

Maurer, D., Ghloum, J.K., Gibson, L.C., Watson, M., Chen, L.M., Akins, K., Enns, J., Hensch, T.K. & Werker, J.F. (2020). Reduced Perceptual Narrowing in Synesthesia. Proceedings of the National Academy of Sciences, 117(18), 10089-10096. (See Erratum here).

Reh, R., Dias, B., Nelson, C. Kaufer, D., Werker, J.F., Kolb, B., Levine, J., & Hensch, T.K. (2020). Critical period regulation across multiple timescales. Proceedings of the National Academy of Sciences, 117(38), 23242-23251.


Choi, D., Bruderer, A.G., & Werker, J.F. (2019). Sensorimotor influences on speech perception in pre-babbling infants – replication and extension of Bruderer et al. (2015). Psychonomic Bulletin & Review, 26(4), 1388-1399.

de la Cruz Pavía, I., Gervain, J., Vatikiotis-Bateson, E., & Werker, J.F. (2019). Finding phrases: On the role of co-verbal facial information in learning word order in infancy. PLOS ONE, 14(11), e0224786. (Open Access)

May, L., Baron, A.S., & Werker, J.F. (2019). Who can speak that language? Eleven-month-old infants have language-dependent expectations regarding speaker ethnicity. Developmental Psychobiology, 61(6), 859-873.

Rotem-Kohavi, N., Williams, L.J., Muller, A.M., Abdi, H., Virji-Babul, N., Bjornson, B.H., Brain, U., Werker, J.F., Grunau, R.E., Miller, S.P., & Oberlander, T.F. (2019). Hub distribution of the brain functional networks of newborns prenatally exposed to maternal depression and SSRI antidepressants. Depression & Anxiety, 36(8), 753-765.


Choi, D., Black, A., & Werker, J.F. (2018). Cascading and multisensory influences on speech perception development. Mind, Brain, and Education, 12(4), 212-223.

Curtin, S., & Werker, J.F. (2018). PRIMIR on Tone. [Opinion]. Frontiers in Psychology. [Special Issue on Lexical Tone Perception in Infants and Young Children: Empirical Studies and Theoretical Perspectives], 9, 1007.

Rotem-Kohavi, N., Williams, L.J., Virji-Babul, N., Bjornson, B.H., Brain, U., Werker, J.F., Granau, R.E., Miller, S.P., & Oberlander, T. (2018). Alterations in resting state networks following in utero SSRI exposure in the neonatal brain. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 4(1), 39-49.

Werker, J.F. (2018). Perceptual beginnings to language acquisition. [Target article with peer commentaries]. Applied Psycholinguistics, 39(4), 703-728.


Danielson, D.K., Bruderer, A.G., Kandhadai, P., Vatikiotis-Bateson, E., & Werker, J.F. (2017). The organization and reorganization of audiovisual speech perception in the first year of life. Cognitive Development, 42, 37-48.

Havy, M., Foroud, A., Fais, L., & Werker, J.F. (2017). The role of auditory and visual speech in word-learning at 18 months and in adulthood. Child Development, 88(6), 2043-2059.

Kandhadai, P., Hall, D.G., & Werker, J.F. (2017). Second label learning in monolingual and bilingual infants. Developmental Science, 20(1), e12429.

Kemp, N., Scott, J., Bernhardt, B.M., Johnson, C.E., Siegel, L.S., & Werker, J.F. (2017). Minimal Pair Word Learning and Vocabulary Size: Links with Later Language Skills. Applied Psycholinguistics, 38(2), 289-314.

May, L., Gervain, J., Carreiras, M., & Werker, J.F. (2017). The Specificity of the Neural Response To Speech at Birth. Developmental Science, 21(3), e12564.


Gervain, J., Werker, J.F., Black, A., & Geffen, M.N. (2016). The neural correlates of processing scale-invariant environmental sounds at birth. Neuroimage, 133, 144-150.


Bruderer, A.G., Danielson, D.K., Kandhadai, P., & Werker, J.F. (2015). Sensorimotor influences on speech perception in infancy. Proceedings of the National Academy of Sciences, 112(44), 13531-13536. (Open Access)

Gurnot, C., Martin-Subero, J., Mah, J., Weikum, W., Goodman, S., Brain, U., Werker, J.F., Kobor, M., Esteller, M., Oberlander, T., & Hensch, T.K. (2015). Prenatal antidepressant exposure associated with CYP2E1 DNA methylation change in neonates. Epigenetics, 10(5), 361-372.

Werker, J.F., & Hensch, T.K. (2015). Critical Periods in Speech Perception: New Directions. Annual Review of Psychology, 66, 173-96.


Gervain, J., Werker, J.F., & Geffen, M.N. (2014). Category-specific processing of scale-invariant sounds in infancy. PLOS ONE, 9(5), e96278.

Kandhadai, P., Danielson, D.K., & Werker, J.F. (2014). Culture as a binder for bilingual acquisition. Trends in Neuroscience and Education, 3, 24-7.

May, L., & Werker, J.F. (2014). Can a Click be a Word?: Infants’ Learning of Non-Native Words. Infancy, 19(3), 281-300.

Maurer, D., & Werker, J.F. (2014). Perceptual Narrowing During Infancy: A Comparison of Language and Faces. Developmental Psychobiology, 56, 154-78.

Molavi, B., May, L., Gervain, J., Carreiras, M., Werker, J.F., & Dumont, G.A. (2014). Analyzing the resting state functional connectivity in the human language system using near infrared spectroscopy. Frontiers in Human Neuroscience, 7:921.

Yeung, H.H., Chen, L.M., & Werker, J.F. (2014). Referential labeling can facilitate phonetic learning in infancy. Child Development, 85(3), 1036-49.

Zamuner, T., Fais, L. & Werker, J.F. (2014). Infants track word forms in early word-object associations. Developmental Science, 17(4), 481-91. doi: 10.1111/desc.12149.


Byers-Heinlein, K. & Werker, J.F. (2013). Lexicon Structure and the Disambiguation of Novel Words: Evidence from Bilingual Infants. Cognition, 128(3), 407-16.

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.

Gervain, J., Vines, B.W., Chen, L.M., Seo, R.J., Hensch, T.K., Werker, J.F., & Young, A.H. (2013). Valproate reopens critical-period learning of absolute pitch. Frontiers in Systems Neuroscience, 7:102.

Gervain, J. & Werker, J.F. (2013a). Learning non-adjacent regularities at 0;7. Journal of Child Language, 40(4), 860-72.

Gervain, J. & Werker, J.F. (2013b). Prosody cues word order in 7-month-old bilingual infants. Nature Communications, 4, 1490.

Scott, M., Yeung, H.H., Gick, B. & Werker, J.F. (2013). Inner speech captures the perception of external speech. Journal of the Acoustical Society of America, 133(4), 286-93.

Weikum, W.M., Vouloumanos, A., Navarra, J., Soto-Faraco, S., Sebastián-Gallés, N., & Werker, J.F. (2013). Age-related sensitive periods influence visual language discrimination in adults. Frontiers in Systems Neuroscience, 7:86.

Yeung, H.H., Chen, K.H., & Werker, J.F. (2013). When does native language input affect phonetic perception? The precocious case of lexical tone. Journal of Memory and Language, 68(2), 123-39.

Yeung, H.H. & Werker, J.F. (2013). Lip movements affect infant audiovisual speech perception. Psychological Science, 24(5), 603-12.


Fais, L., Werker, J.F., Brown, C., Leibowich, J., Barbosa, A.V., & Vatikiotis-Bateson, E. (2012). Here’s looking at you, baby: What gaze and movement reveal about minimal pair word-object association at 14 months. Journal of Laboratory Phonology, 3, 91-124.

Gervain, J., Berent, I., & Werker, J.F. (2012). Binding at birth: The newborn brain detects identity relations and sequential position in speech. Journal of Cognitive Neuroscience. 24(3), 564-74.

Palmer, S.B., Fais, L., Golinkoff, R.M., & Werker, J.F. (2012). Perceptual narrowing of linguistic sign occurs in the first year of life. Child Development. 83(2), 543-53.

Pena, M., Werker, J.F., & Dehaene-Lambertz, G. (2012). Earlier speech exposure does not accelerate speech acquisition. Journal of Neuroscience. 32(33), 11159-63.

Pons, F., Biesanz, J.C., Kajikawa, S., Fais, L., Narayan, C.R., Amano, S., & Werker, J.F. (2012). Phonetic category cues in adult-directed speech: evidence from three different languages with distinct vowel characteristics. Psicológica. 33, 175-207.

Sebastián-Gallés, N., Albareda-Castellot, B., Weikum, W., & Werker, J.F. (2012). A bilingual advantage in visual language discrimination in infancy. Psychological Science. 23(9), 994-9.

Small, S.A. & Werker J.F. (2012). Does the ACC have potential as an index of early speech discrimination ability? A preliminary study in four-month-old infants with normal hearing. Ear & Hearing. 33, 6, e59-69.

Weikum, W.M., Oberlander, T.F., Hensch, T.K. & Werker, J.F. (2012). Prenatal exposure to antidepressants and depressed maternal mood alter trajectory of infant speech perception. Proceedings of the National Academy of Sciences. 109(2), 17221-7.

Werker, J.F. (2012). Perceptual Foundations of Bilingual Acquisition in Infancy. Annals of the New York Academy of Sciences: The Year in Cognitive Neuroscience. 1251, 50-61.

Werker, J.F., Yeung, H.H., & Yoshida, K. (2012). How do infants become experts at native speech perception? Current Directions in Psychological Science. 21(4), 221-6.


Curtin, S., Byers-Heinlein, K., & Werker, J.F. (2011). Bilingual beginnings as a lens for theory development: PRIMIR in focus. Journal of Phonetics, 39(4), 492-504.

Geffen, M.N., Gervain, J., Werker, J.F., & O Magnasco, M.O. (2011). Auditory perception of self-similarity in water sounds. Frontiers in Integrative Neuroscience. 5:15.

Gervain, J., Mehler, J., Werker, J.F., Nelson, C.A., Csibra, C., Lloyd-Fox, S., Shukla, M., & Aslin, R.N. (2011). Near-Infrared Spectroscopy: A Report from the McDonnell Infant Methodology Consortium. Developmental Cognitive Neuroscience, 1, 22-46.

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, 1-9.


Byers-Heinlein, K., Burns, T.C., & Werker, J.F. (2010). The roots of bilingualism in newborns. Psychological Science, 21(3), 343-8.

Fais, L., Kajikawa, S., Amano, S., & Werker, J.F. (2010). Now you hear it, now you don’t: Vowel devoicing in Japanese infant-directed speech. Journal of Child Language, 37(2), 319-40.

Narayan, C., Werker, J.F., & Beddor, P.S. (2010). The interaction between acoustic salience and language experience in developmental speech perception: Evidence from nasal place discrimination. Developmental Science, 13(3), 407-20.

Vouloumanos, A., Hauser, M.D., Werker, J.F., & Martin, A. (2010). The tuning of human neonates’ preference for speech. Child Development, 81(2), 517-27.

Yoshida, K. A., Iversen, J.R., Patel, A.D., Mazuka, R., Nito, H., Gervain, J., & Werker, J.F. (2010). The development of perceptual grouping biases in infancy: A Japanese-English cross-linguistic study. Cognition, 115(2), 356-61.

Yoshida, K. A., Pons, F., Maye, J., & Werker, J.F. (2010). Distributional phonetic learning at 10 months of age. Infancy, 15(4), 420-33.


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), 815-23.

Fais, L., Kajikawa, S., Amano, S., & Werker, J F. (2009). Infant discrimination of a morphologically relevant word-final contrast. Infancy, 14(4), 488-99.

Mugitani, R., Pons, F., Fais, L., Werker, J.F., & Amano, S. (2009). Perception of vowel length by Japanese- and English-learning infants. Developmental Psychology, 45(1), 236-47.

Vouloumanos, A., & Werker, J.F. (2009). Infants’ learning of novel words in a stochastic environment. Developmental Psychology, 45(6), 1611-7.

Werker, J.F., Byers-Heinlein, K., & Fennell, C. (2009). Bilingual beginnings to learning words. Philosophical Transactions of the Royal Society B: Biological Sciences, 364(1536), 3649-63.

Yeung, H.H., & Werker, J.F. (2009). Learning words’ sounds before learning how words sound: 9-Month-olds use distinct objects as cues to categorize speech information. Cognition, 113, 234-43.

Yoshida, K.A., Fennell, C.T., Swingley, D., & Werker, J.F. (2009). Fourteen month-old infants learn similar sounding words. Developmental Science, 12(3), 412-8.


Werker, J.F., & Byers-Heinlein, K. (2008). Bilingualism in infancy: First steps in perception and comprehension of language. Trends in Cognitive Sciences, 12(4), 144-51.


Bernhardt, B.M., Kemp, N., & Werker, J.F. (2007). Early word-object associations and later language development. First Language, 27(4), 315-28.

Burns, T.C., Yoshida, K.A., Hill, K., & Werker, J.F. (2007). The development of phonetic representation in bilingual and monolingual infants. Applied Psycholinguistics, 28(3), 455-74.

Dietrich, C., Swingley, D., & Werker, J.F. (2007). Native language governs interpretation of salient speech sound differences at 18 months. Proceedings of the National Academy of Sciences, USA, 104(41), 16027-31.

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(5), 1510-25.

Mugitani, R., Fais, L., Kajikawa, S., Werker, J.F., & Amano, S. (2007). Age-related changes in sensitivity to native phonotactics in Japanese infants. Journal of the Acoustical Society of America, 122(3), 1332-5.

Soto-Faraco, S., Navarra, J., Weikum, W., Vouloumanos, A., Sebastián-Gallés, N., & Werker, J.F. (2007). Discriminating languages by speech-reading. Perception and Psychophysics, 69(2), 218-231.

Vallabha, G.K., McClelland, J., Pons, F., Werker, J. F., & Amano, S. (2007). Unsupervised learning of vowel categories from infant-directed speech. Proceedings of the National Academy of Sciences, USA, 104(33), 13273-8.

Vouloumanos, A., & Werker, J.F. (2007a). Why voice melody alone cannot explain neonates’ preference for speech. Developmental Science, 10(2), 169-171. [Reply].

Vouloumanos, A., & Werker, J.F. (2007b). Listening to language at birth: Evidence for a bias for speech in neonates. Developmental Science, 10(2), 159-64.

Weikum, W., Vouloumanos, A., Navarra, J., Soto-Faraco, S., Sebastián-Gallés, N., & Werker, J.F. (2007). Visual language discrimination in infancy. Science, 316(5828), 1159.

Werker, J.F., Pons, F., Dietrich, C., Kajikawa, S., Fais, L., & Amano, S. (2007). Infant-directed speech supports phonetic category learning in English and Japanese. Cognition, 103(1), 147-62.


Kajikawa, S., Fais, L., Mugitani, R., Werker, J.F., & Amano, S. (2006). Cross-language sensitivity to phonotactic patterns in infants. Journal of the Acoustical Society of America, 120(4), 2278-84.

Shi, R., Cutler, A., Werker, J.F., & Cruickshank, M. (2006). Frequency and form as determinants of functor sensitivity in English-acquiring infants. Journal of the Acoustical Society of America, 119(6), EL61-7.

Shi, R., Werker, J.F., & Cutler, A. (2006). Recognition and representation of function words in English-learning infants. Infancy, 10(2), 187-98.

Weinstein, S., Werker, J.F., Vouloumanos, A., Woodward, T. S., & Ngan, E.T.C. (2006). Do you hear what I hear? Neural correlates of thought disorder during listening to speech in schizophrenia. Schizophrenia Research, 86(1-3), 130-7.


Fais, L., Kajikawa, S., Werker, J.F., & Amano, S. (2005). Japanese listeners’ perceptions of phonotactic violations. Speech and Language, 48(2), 185-201.

Werker, J.F., & Curtin, S. (2005). PRIMIR: A developmental framework of infant speech processing. Language Learning and Development, 1(2), 197-234.

Werker, J.F., & Tees, R.C. (2005). Speech perception as a window for understanding plasticity and commitment in language systems of the brain. Developmental Psychobiology, 46(3), 233-51.

Werker, J.F., & Yeung, H.H. (2005). Infant speech perception bootstraps word learning. Trends in Cognitive Sciences, 9(11), 519-27.


Desjardins, R., & Werker, J.F. (2004). Is the integration of heard and seen speech mandatory for infants? Developmental Psychobiology, 45(4), 187-203.

Mills, D.L., Prat, C., Zangl, R., Stager, C.L., Neville, H.J., & Werker, J.F. (2004). Language experience and the organization of brain activity to phonetically similar words: ERP evidence from 14- and 20-month olds. Journal of Cognitive Neuroscience, 16(8), 1-13.

Pater, J., Stager, C.L., & Werker, J.F. (2004). The perceptual acquisition of phonological contrasts. Language, 80(3), 384-402.

Vouloumanos, A., & Werker, J.F. (2004). Tuned to the signal: The privileged status of speech for young infants. Developmental Science, 7(3), 270-6.


Chong, S.E., Werker, J.F., Russell, J.A., & Carroll, J.M. (2003). Three facial expressions mothers direct to their infants. Infant and Child Development, 12(3), 211-32.

Fennell, C.T., & Werker, J.F. (2003). Early word learners’ ability to access phonetic detail in well-known words. Language and Speech, 46(2), 245-64.

Ngan, E.T.C., Vouloumanos, A., Cairo, T.A., Laurens, K.R., Bates, A.T., Anderson, C.M., Werker, J.F., & Liddle P.F. (2003). Abnormal processing of speech during oddball target detection in schizophrenia. NeuroImage, 20(2), 889-97.

Patterson, M.L., & Werker, J.F. (2003). Two-month-old infants match phonetic information in lips and voice. Developmental Science, 6(2), 191-6.

Shi, R., & Werker, J.F. (2003). The basis of preference for lexical words in 6-month-old infants. Developmental Science, 6(5), 484-8.

Werker, J.F. (2003). Baby steps to learning language. Journal of Pediatrics (Supplement: Special Issue), 143(4), S62-9.


Aslin, R.N., Werker, J.F., & Morgan, J.L. (2002). Innate phonetic boundaries revisited. Journal of the Acoustical Society of America, 112(4), 1257-60.

Maye, J., Werker, J.F., & Gerken, L.A. (2002). Infant sensitivity to distributional information can affect phonetic discrimination. Cognition, 82(3), B101-11.

Patterson, M.L., & Werker, J.F. (2002). Infants’ ability to match dynamic phonetic and gender information in the face and voice. Journal of Experimental Child Psychology, 81(1), 93-115.

Werker, J.F., Fennell, C.T., Corcoran, K., & Stager, C.L. (2002). Infants’ ability to learn phonetically similar words: Effects of age and vocabulary size. Infancy, 3(1), 1-30.


Innis, S.M., Gilley, J., & Werker, J.F. (2001). Are human milk long-chain polyunsaturated fatty acids growth related to visual and neural development in breast-fed term infants? Journal of Pediatrics, 139(4), 532-8.

Neville, H., Mehler, J., Newport, E., Werker, J.F., & McClelland, J. (2001). Language [Special issue: The Developing Human Brain]. In M. I. Posner, M. K. Rothbart, M. Farah, & J. Bruer (Eds)., Developmental Science, 4(3), 293-312.

Shi, R., & Werker, J.F. (2001). Six-month-old infants’ preference for lexical over grammatical words. Psychological Science, 12(1), 70-5.

Vouloumanos, A., Kiehl, K., Werker, J.F., & Liddle, P. (2001). Detection of sounds in the auditory stream: Event-related fMRI evidence for differential activation to speech and nonspeech. Journal of Cognitive Neuroscience, 13(7), 994-1005.


Patterson, M.L., & Werker, J.F. (1999). Matching phonetic information in face and voice is robust in 4.5-month-old infants. Infant Behavior and Development, 22(2), 237-47.

Shi, R., Werker, J.F., & Morgan, J.L. (1999). Newborn infants’ sensitivity to perceptual cues to lexical and grammatical words. Cognition, 72(2), B11-21.

Werker, J.F., Cohen, L.B., Lloyd, V., Casasola, M., & Stager, C.L. (1998). Acquisition of word-object associations by 14-month-old infants. Developmental Psychology, 34(6), 1289-1309.

Desjardins, R.N., Rogers, J., & Werker, J.F. (1997). An exploration of why preschoolers perform differently than do adults in audiovisual speech perception tasks. Journal of Experimental Child Psychology, 66(1), 85-110.

Pegg, J.E., & Werker, J.F. (1997). Adult and infant perception of two English phones. Journal of the Acoustical Society of America, 102(6), 3742-53.

Stager, C.L., & Werker, J.F. (1997). Infants listen for more phonetic detail in speech perception than in word learning tasks. Nature, 388(6640), 381-2.

Werker, J.F., Polka, L., & Pegg, J.E. (1997). The conditioned head turn procedure as a method for assessing infant speech perception. Early Development & Parenting, 6(3-4), 171-8.

Werker, J.F., & Desjardins, R.N. (1995). Listening to speech in the first year of life: Experiential influences on phoneme perception. Current Directions in Psychological Sciences, 4(3), 76-81. [Republished in 1997: T. F. Pettijohn (Ed.), Sources: Notable Selections in Psychology (2nd ed.; pp. 173-177). Guildford, CT: Dushkin Publishing Group/Brown and Benchmark Publishers. Also republished in 2001: M. Tomasello & E. Bates (Eds.), Language development: The essential readings (pp. 26-33). Oxford: Blackwell Publishers].

Lalonde, C., & Werker, J.F. (1995). Cognitive influences on cross-language speech perception in infancy. Infant Behavior and Development, 18(4), 459-476.

Polka, L., & Werker, J.F. (1994). Developmental changes in perception of non-native vowel contrasts. Journal of Experimental Psychology: Human Perception and Performance, 20(2), 421-35.

Werker, J.F., Pegg, J.E., & McLeod, P. (1994). A cross-language comparison of infant preference for infant-directed communication. Infant Behavior and Development, 17(3), 323-33.

Werker, J.F., & Polka, L. (1993). Developmental changes in speech perception: New challenges and new directions. Journal of Phonetics, 21(1-2), 83-101.

Pegg, J.E., Werker, J.F., & McLeod, P.J. (1992). Preference for infant-directed over adult-directed speech: Evidence from 7-week-old infants. Infant Behavior and Development, 15(3), 325-45.

Werker, J.F., Frost, P., & McGurk, H.E. (1992). La langue et les lévres: Cross-language influences on bimodal speech perception. Canadian Journal of Psychology, 46(4), 551-68.

Schrans, T., Werker, J.F., & Brown, R.E. (1990). Developmental differences in the accuracy of reporting the causal determinants of behaviours. International Journal of Behavioral Development, 13(2), 251-62.


Werker, J.F., Bryson, S.E., & Wassenberg, K. (1989). Toward understanding the problem in severely disabled readers. Part II: Consonant errors. Applied Psycholinguistics, 10(1), 13-30.

Bryson, S.E., & Werker, J.F. (1989). Toward understanding the problem in severely disabled readers. Part I: Vowel errors. Applied Psycholinguistics, 10(1), 1-12.

Werker, J.F. (1989). Becoming a native listener: A developmental perspective on human speech perception. American Scientist, 77(1), 54-59. [Republished in 1991: J. S. DeLoache (Ed.), Current readings in child development (pp. 99-106). Boston: Allyn and Bacon. Also republished in 1993: R. H. Wozniak (Ed.), Worlds of childhood reader (pp. 166-172). New York: Harper Collins College Publishers. Also republished in 1994: J. S. DeLoache (Ed.), Current readings in child development (2nd ed., pp. 88-95). Boston: Allyn and Bacon].

Werker, J.F., & McLeod, P.J. (1989). Infant preference for both male and female infant-directed talk: A developmental study of attentional and affective responsiveness. Canadian Journal of Psychology, 43(2), 230-46.

Werker, J.F., & Lalonde, C.E. (1988). Cross-language speech perception: Initial capabilities and developmental change. Developmental Psychology, 24(5), 672-83.

Werker, J.F., & Tees, R.C. (1987). Speech perception in severely disabled and average reading children. Canadian Journal of Psychology, 41(1), 48-6l. [Figure 2 reprinted in Takeda, K., & Wobuko, O. “Learning disability and temporal lobe.” Temporal Lobe].

Werker, J.F. (1986). The effect of multilingualism on phonetic perceptual flexibility. Applied Psycholinguistics, 7(2), 141-55.

Werker, J.F., & Logan, J.S. (1985). Cross-language evidence for three factors in speech perception. Perception and Psychophysics, 37(1), 35-44.

Tees, R.C., & Werker, J.F. (1984). Perceptual flexibility: Maintenance or recovery of the ability to discriminate non-native speech sounds. Canadian Journal of Psychology, 38(4), 579-90.

Werker, J.F., & Tees, R.C. (1984). Phonemic and phonetic factors in adult cross-language speech perception. Journal of the Acoustical Society of America, 75(6), 1866-78.

Werker, J.F., & Tees, R.C. (1984). Cross-language speech perception: Evidence for perceptual reorganization during the first year of life. Infant Behavior and Development, 7(1), 49-63. [Republished in 1992: J. L. Miller, R. D. Kent, & B. S. Atal (Eds.), Papers in speech communication: Speech perception (pp. 733-747). New York: Acoustical Society of America Press. Also republished in 2002 with three commentaries for their special 25th anniversary issue: Infant Behavior and Development, 25(1), 121-33].

Werker, J.F., & Tees, R.C. (1983). Developmental changes across childhood in the perception of non-native speech sounds. Canadian Journal of Psychology, 37(2), 278-86. [Republished in 1988: M. Courage (Ed.), Readings in Developmental Psychology (pp. 229-39). Peterborough, ON: Broadview Press].

Werker, J.F., Gilbert, J.H.V., Humphrey, G.K., & Tees, R.C. (1981). Developmental aspects of cross-language speech perception. Child Development, 52(1), 349-55.


Humphrey, K., Tees, R.C., & Werker, J.F. (1979). Auditory-visual integration of temporal relations in infants. Canadian Journal of Psychology, 33(4), 347-52.

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Commentaries, Introductions, and Book Reviews

Reh, R., Arredondo, M., & Werker, J.F. (2018). Understanding individual variation in levels of second language attainment through the lens of critical period mechanisms. [Commentary on “Rethinking the critical period for language: New insights into an old question from American Sign Language” by R.L. Mayberry & K. Kluender]. Bilingualism: Language and Cognition, 21(5), 930-931.

Werker, J.F. (2018). Speech perception, word learning, and language acquisition in infancy: The voyage continues. [Reply to Commentaries]. Applied Psycholinguistics, 39(4), 767-777.

Bialystok, E., & Werker, J.F. (2017). The Systematic Effects of Bilingualism on Children’s Development. [Introduction to Special Issue]. Developmental Science, 20, e12535.

Choi, D., Kandhadai, P., Danielson, D.K., Bruderer, A.G., & Werker, J.F. (2017). Does early motor development contribute to speech perception? [Peer commentary on “Neonatal Imitation in Context: Sensory-Motor Development in the Perinatal Period” by N. Keven & K.A. Akins]. Behavioral and Brain Sciences, 40, e388.

Werker, J.F. (2012). [Review of Discovering Speech, Words and Mind]. Language, 88(1), 185-8.

Werker, J.F., Hall, D.G., & Fais, L. (2004). Reconstruing U-shaped Functions. [Commentary]. Journal of Cognition and Development, 5(1), 147-51.

Aslin, R.N., Werker, J.F., & Morgan, J.L. (2002). Innate phonetic boundaries revisited. Journal of the Acoustical Society of America, 112(4), 1257-60.

Werker, J.F., & Patterson, M.L. (2001). Does perceptual learning really contribute to word-learning? Developmental Science, 4(1), 26-8.

Werker, J.F., & Vouloumanos, A. (2000). Who’s got rhythm? [Invited perspective]. Science, 288(5464), 280-1. [Republished in 2000, May 8 as Langage en collaboration avec le magazine ‘Science’; Les animaux reconnaissent aussi le rythme de chaque langue. Le Figaro]. French Version

Werker, J.F., & Stager, C.L. (1995). [Review of the book What infants know: The new cognitive science of early development]. Early Development & Parenting, 4(2), 90.1-2.

Werker, J.F. (1993). The contribution of the relation between vocal production and perception to a phonological system. [Commentary.] Journal of Phonetics, 21, 177-180.

Werker, J.F. (1989). [Peer commentary on “Infants’ perception of musical sequences: Implications for language acquisition” by Sandra Trehub]. Journal of Speech-Language Pathology and Audiology, 13(3), 13-4.

Werker, J.F. (1988). [Review of the book Language Learning and Concept Acquisition: Foundational Issues]. Canadian Journal of Behavioural Sciences, 20(1), 113-116. doi:10.1037/h0084797.

Werker, J.F. (1984). [Review of the book Phonological Acquisition and Change]. Applied Psycholinguistics, 5(4), 383-7.

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Conference Proceedings

Danielson, D.K., Tam, C., Kandhadai, P., & Werker, J.F. (2016). Infants’ use of temporal and phonetic information in the encoding of audiovisual speech. Journal of the Canadian Acoustic Association, 44(3), 192-193.

Burns, T.C., Werker, J.F., & McVie, K. (2003). Development of phonetic categories in infants raised in bilingual and monolingual environments. In B. Beachley, A. Brown, & F. Conlin (Eds.), Proceedings of the 27th annual Boston University Conference on Language Development. Somerville, MA: Cascadilla Press.

Curtin, S., & Werker, J.F. (2004). Patterns of new word-object associations. In B. Beachley, A. Brown, & F. Conlin (Eds.), Proceedings of the 27th annual Boston University Conference on Language Development (pp. 120-128). Somerville, MA: Cascadilla Press.

Fennell, C.T., & Werker, J.F. (2004). Infant attention to phonetic detail: Knowledge and familiarity effects. In B. Beachley, A. Brown, & F. Conlin (Eds.), Proceedings of the 27th annual Boston University Conference on Language Development (pp. 165-176). Somerville, MA: Cascadilla Press.

Shi, R., Werker, J.F., & Cutler, A. (2003). Function words in early speech perception. Proceedings of the 15th International Conference of Phonetic Sciences (pp. 3009-3012). Adelaide: Causal Productions.

Werker, J.F. (2003). The acquisition of language specific phonetic categories in infancy. Proceedings of the International Conference of Phonetic Sciences (pp. 21-26). Adelaide: Causal Productions.

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Book Chapters

Rutter, M., & Werker, J.F. (in press). A Conversation with Michael Rutter. Annual Review of Developmental Psychology. (Online Version)

Reh, R., & Werker, J.F. (2020). Infant Speech Perception. In J. Lochman & C. Tamis-Lemonda (Eds). Cambridge Handbook of Infant Development (pp. 579-601). Cambridge University Press.

Werker, J.F., & Ward, L. (2018). Critical periods and early experience. In P. Tortilla & M. Turin (Eds). Memory (pp. 121-128). Peter Wall Institute for Advanced Studies, University of British Columbia.

Bowman, L.C., Pierce, L.J., Nelson, C.A., & Werker, J.F. (2018). The neural foundations of cognition and language. In R. Gibb & B. Kolb (Eds). The Neurobiology of Brain and Behavioral Development (pp. 257-290). Elsevier.

Wojcik, E., de la Cruz Pavía, I., & Werker, J.F. (2017). Language Acquisition. Oxford Research Encyclopedia of Psychology. Oxford University Press. Online only.

May, L., Zamuner, T., & Werker, J.F. (2017). Phonological development in first languages. In O. Kang, R.Thompson, & J.M. Murphy (Eds). The Routledge Handbook of English Pronunciation (pp. 58-74). Abington: Routledge Press.

Werker, J.F. & Gervain, J. (2013). Speech Perception: A Foundation for Language Acquisition. In P. Zelazo (Ed.), The Oxford Handbook of Developmental Psychology (pp. 909-925). Oxford UK: Oxford University Press.

Soto-Faraco, S., Calabresi, M., Navarra, J., Werker, J.F. & Lewkowicz, D.J. (2012). Development of audiovisual speech perception. In A. Bremner, D. Lewkowicz and C. Spence (eds). Multisensory Development (pp. 435-452). Oxford, UK: Oxford University Press.

Navarra, J., Yeung, H., Werker, J.F., Soto-Faraco, S. (2012). Multisensory interactions in speech perception. In B. Stein. (Ed.). The New Handbook of Multisensory Processes (pp. 207-228). USA: MIT Press.

Werker, J.F., Maurer, D.M., & Yoshida, K. (2009). Perception. In M. Bornstein (Ed)., Handbook of cultural developmental science (pp. 89-125). New York, NY: Lawrence Erlbaum Associates.

Werker, J.F., & Fennell, C.T. (2009). Infant speech perception and later language acquisition: Methodological underpinnings. In J. Colombo, P. McCardle, & L. Freund (Eds.), Infant pathways to language: methods, models, and research directions (pp. 85-98). Hillsdale, NJ: Lawrence Erlbaum Associates.

Gervain, J., & Werker, J.F. (2008). How infant speech perception contributes to language acquisition. In Language and linguistic compass, 2(6) (an on-line series; pp. 1149-1170). Blackwell Publishing.

Curtin, S., & Werker, J.F. (2007). The perceptual foundations of phonological development. In G. Gaskell (Ed.), The Oxford handbook of psycholinguistics (pp. 579-599). Oxford University Press.

Saffran, J.R., Werker, J.F., & Werner, L.A. (2006). The infant’s auditory world: Hearing, speech, and the beginnings of language. In W. Damon & R.M. Lerner (Series Eds.) & R. Siegler & D. Kuhn (Vol. Eds.), Handbook of child psychology: Vol. 2. Cognition, perception and language (6th ed., pp. 58-108). New York: Wiley.

Werker, J.F., Weikum, W.M., & Yoshida, K.A. (2006). Bilingual speech processing in infants and adults. In P. McCardle & E. Hoff (Eds.), Childhood bilingualism: Research on infancy through schoolage (pp. 1-18). London: Multilingual Matters.

Werker, J.F., & Fennell, C.T. (2004). Listening to sounds versus listening to words: Early steps in word learning. In G. Hall & S. Waxman (Eds.), Weaving a lexicon (pp. 79-109). MIT Press.

Werker, J.F., & Vouloumanos, A. (2001). Speech and language processing in infancy: A neurocognitive approach. In C. A. Nelson & M. Luciana (Eds.), Handbook of developmental cognitive neuroscience (pp. 269-280). Cambridge, MA: MIT Press.

Werker, J.F., & Stager, C.L. (2000). Developmental changes in infant speech perception and early word learning: Is there a link? In M. Broe & J. Pierre-Humbert (Eds.), Papers in laboratory phonology 5 (pp. 181-193). Cambridge University Press.

Werker, J.F., & Tees, R.C. (1999). Influences on infant speech processing: Toward a new synthesis. In J. T. Spence (Ed.) & J.M. Darley & D.J. Foss (Assoc. Eds.), Annual review of psychology, Vol. 50 (pp. 509-535). Palo Alto, CA: Annual Reviews.

Stager, C.L., & Werker, J.F. (1998). Methodological issues in studying the link between speech perception and word learning. In C. Rovee-Collier, L. P. Lipsitt, & H. Hayne (Series Eds.), Advances in infancy research (pp. 237-256). Stamford, CT: Ablex Publishing Company.

Werker, J.F., Shi, R., Desjardins, R., Pegg, J.E., Polka, L., & Patterson, M.L. (1998). Three methods for testing infant speech perception. In A. M. Slater (Ed.), Perceptual development: Visual, auditory, and speech perception in infancy (pp. 389-420). London: UCL Press.

Werker, J.F., Lloyd, V.L., Pegg, J.E., & Polka, L. (1996). Putting the baby in the bootstraps: Toward a more complete understanding of the role of the input on infant speech processing. In J. Morgan & K. Demuth (Eds.), Signal to syntax: Bootstrapping from speech to grammar in early acquisition (pp. 427-447). Hillsdale, NJ: Lawrence Erlbaum Associates.

Werker, J.F. (1995). Age-related changes in cross-language speech perception: Standing at the cross-roads. In W. Strange (Ed.), Speech perception and linguistic experience: Theoretical and methodological issues in cross-language speech perception (pp. 155-169). Baltimore, MD: York Press.

Werker, J.F. (1995). Exploring developmental changes in cross-language speech perception. In D. Osherson (Series Ed.) & L. Gleitman & M. Liberman (Vol Eds.), An invitation to cognitive science, Part I: Language (pp. 87-106). Cambridge, MA: MIT Press.

Werker, J.F. (1994). Cross-language speech perception: Developmental change does not involve loss. In J. Goodman & H. Nusbaum (Eds.), The development of speech perception: The transition from speech sounds to spoken words (pp. 112-149). Cambridge, MA: MIT Press.

Diamond, A., Werker, J.F., & Lalonde, C.E. (1994). Toward understanding commonalities in the development of object detour navigation, categorization, and speech perception. In K. Fischer & G. Dawson (Eds.), Human Behavior and Brain Development (pp. 380-426). New York: Guildford Press.

Werker, J.F., & Polka, L. (1993). The ontogeny and developmental significance of language specific phonetic perception. In B. de Boysson-Bardies, S. de Schonen, P. Jusczyk, P. McNeilage, & J. Morton (Eds.), Developmental neurocognition: Speech and face processing in the first year of life (pp. 275-288). The Netherlands: Kluwer Academic Publishers.

Werker, J.F. (1993). Developmental changes in cross-language speech perception: Implications for cognitive science. In G. Altman & R. Shillcock (Eds.), Cognitive models of speech processing: The Sperlonga Meeting II (pp. 57-78). Cambridge, MA: MIT Press.

Lalonde, C.E., & Werker, J.F. (1993). Le dévelopment de la perception de la parole. In V. Pouthas & F. Jouen (Eds.), Les comportements du bébé: Expression de son savoir? (pp. 271-284). Bruxelles: Mardaga Publishers.

Werker, J.F., & Tees, R.C. (1992). The organization and reorganization of human speech perception. In M. Cowan (Ed.), Annual Review of Neuroscience, 15, (pp. 377-402). Palo Alto, CA: Annual Reviews.

Werker, J.F., & Pegg, J.E. (1992). Infant speech perception and phonological acquisition. In C. Ferguson, L. Menn, & C. Stoel-Gammon (Eds.), Phonological development: Models, research, and implications (pp. 285-311). York Publishing Company.

Werker, J.F. (1991). The ontogeny of speech perception. In I.G. Mattingly & M. Studdert-Kennedy (Eds.), Modularity and the motor theory of speech perception (pp. 91-109). Hillsdale, NJ: Lawrence Erlbaum Associates.

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