For all publications from our lab please see here.

submitted

Kirkham, Sam. submitted. Scaling laws for nonlinear dynamical models of speech. JASA Express Letters. [pre-print]

Strycharczuk, Patrycja, Sam Kirkham, Emily Gorman & Takayuki Nagamine. resubmitted. Dimensionality reduction in lingual articulation of vowels. Language and Speech.

forthcoming

Nance, Claire & Sam Kirkham. forthcoming. Acquiring tongue shape complexity in consonants with multiple articulations. Proc. ISAPh 2024.

Nance, Claire, Maya Dewhurst, Lois Fairclough, Pamela Forster, Sam Kirkham, Justin Lo, Jessica McMonagle, Takayuki Nagamine, Seren Parkman, Haleema Rabani, Andrea Brink Siem, Danielle Turton & Sarah Wang. forthcoming. Articulatory phonetics in the Market: Combining public engagement with ultrasound data collection. Linguistics Vanguard.

2024

Strycharczuk, Patrycja, Sam Kirkham, Emily Gorman & Takayuki Nagamine. 2024. Towards a dynamical model of English vowels: Evidence from diphthongisation. Journal of Phonetics 107(101349): 1-26. [doi] [code]

Nance, Claire & Sam Kirkham. 2024. Producing a smaller sound system: Acoustics and articulation of the subset scenario in Gaelic-English bilinguals. Bilingualism: Language & Cognition 27(4): 527-584. [doi] [code]

Friedrichs, Daniel, Monica Lancheros, Sam Kirkham, Lei He, Andrew Clark, Clemens Lutz, Volker Dellwo & Steven Moran. 2024. Temporal co-registration of simultaneous electromagnetic articulography and electroencephalography for precise articulatory and neural data alignment. Proc. Interspeech 2024 3120-3124. [doi] [pdf]

Kirkham, Sam. 2024. Discovering dynamical models of speech using physics-informed machine learning. Proc. ISSP 2024 - 13th International Seminar on Speech Production 177-180. [doi] [pdf]

Kirkham, Sam & Patrycja Strycharczuk. 2024. A dynamic neural field model of vowel diphthongisation. Proc. ISSP 2024 - 13th International Seminar on Speech Production 205-208. [doi] [pdf]

Vaughan-Williams, Katherine, Steven Moran & Sam Kirkham. 2024. Dimensions of structure and variability in the human vocal tract. Proc. ISSP 2024 - 13th International Seminar on Speech Production 274-277. [doi] [pdf]

Moran, Steven, Sam Kirkham, Daniel Friedrichs, David S. Straight & Axel G. Ekström. 2024. Vocal tract proportions and the evolution of speech: New data to answer old questions. Proceedings from FONETIK 2024 109-114. [doi] [pdf]

Friedrichs, Daniel, Axel G. Ekström, Sam Kirkham & Steven Moran. 2024. Anatomical correlates of articulatory ranges of motion: An EMA study. Proceedings from FONETIK 2024 123-128. [doi] [pdf]

Kirkham, Sam & Maya Zara. 2024. Intergenerational transmission of laterals in Punjabi-English heritage bilinguals. In: Rajiv Rao (ed.) The Phonetics and Phonology of Heritage Languages. Cambridge University Press, pp. 129-146. [doi] [pdf] [code]

2023

Kirkham, Sam, Patrycja Strycharczuk, Emily Gorman, Takayuki Nagamine & Alan Wrench. 2023. Co-registration of simultaneous high-speed ultrasound and electromagnetic articulography for speech production research. Proceedings of the 20th International Congress of Phonetic Sciences 942-946. [pdf] [code]

Nance, Claire, Maya Dewhurst, Lois Fairclough, Pamela Forster, Sam Kirkham, Takayuki Nagamine, Danielle Turton & Di Wang. 2023. Acoustic and articulatory characteristics of rhoticity in the North-West of England. Proceedings of the 20th International Congress of Phonetic Sciences 3597-3601. [pdf] [code]

2022

Kirkham, Sam & Claire Nance. 2022. Diachronic phonological asymmetries and the variable stability of synchronic contrast. Journal of Phonetics 94(101176): 1-14. [doi] [pdf] [code]

Nance, Claire & Sam Kirkham. 2022. Phonetic typology and articulatory constraints: The realization of secondary articulations in Scottish Gaelic rhotics. Language 98(3): 419-460. [doi] [pdf] [code]

Nance, Claire, Sam Kirkham, Kate Lightfoot & Luke Carroll. 2022. Intonational variation in the North-West of England: The origins of a rising contour in Liverpool. Language and Speech 65(4): 1007-1033. [doi] [pdf]

Kirkham, Sam. 2022. Urban communities of practice. In Beatrix Busse and Ingo H. Warnke (eds) Handbuch Sprache im urbanen Raum. Berlin: De Gruyter, pp. 117-136. [doi]

Kirkham, Sam & Claire Nance. 2022. Phonetics. In: Jonathan Culpeper, Beth Malory, Claire Nance, Daniel Van Olmen, Dimitrinka Atanasova, Sam Kirkham & Aina Casaponsa (eds) Introducing Linguistics. London: Routledge, pp. 3-21. [link]

Nance, Claire & Sam Kirkham. 2022. Phonology. In: Jonathan Culpeper, Beth Malory, Claire Nance, Daniel Van Olmen, Dimitrinka Atanasova, Sam Kirkham & Aina Casaponsa (eds) Introducing Linguistics. London: Routledge, pp. 22-41. [link]

Culpeper, Jonathan, Beth Malory, Claire Nance, Daniel Van Olmen, Dimitrinka Atanasova, Sam Kirkham & Aina Casaponsa (eds). 2022. Introducing Linguistics. London: Routledge. [link]

2021

Kirkham, Sam & Kathleen M. McCarthy. 2021. Acquiring allophonic structure and phonetic detail in a bilingual community: The production of laterals by Sylheti-English bilingual children. International Journal of Bilingualism 25(3): 531-547. [doi] [pdf] [code]

2020

Kirkham, Sam, Danielle Turton & Adrian Leemann. 2020. A typology of laterals in twelve English dialects. Journal of the Acoustical Society of America 148(1): EL72-EL76. [doi] [pdf] [code]

Gorman, Emily & Sam Kirkham. 2020. Dynamic acoustic-articulatory relations in back vowel fronting: Examining the effects of coda consonants in two dialects of British English. Journal of the Acoustical Society of America 148(2): 724-733. [doi] [pdf]

Nance, Claire & Sam Kirkham. 2020. The acoustics of three-way lateral and nasal palatalisation contrasts in Scottish Gaelic. Journal of the Acoustical Society of America 147(4): 2858-2872. [doi] [pdf]

2019

Kirkham, Sam, Claire Nance, Bethany Littlewood, Kate Lightfoot & Eve Groarke. 2019. Dialect variation in formant dynamics: The acoustics of lateral and vowel sequences in Manchester and Liverpool English. Journal of the Acoustical Society of America 145(2): 784-794. [doi] [pdf] [code]

Diskin, Chloé, Deborah Loakes, Rosey Billington, Hywel Stoakes, Simón Gonzalez & Sam Kirkham. 2019. The /el/-/æl/ merger in Australian English: Acoustic and articulatory insights. Proceedings of the 19th International Congress of Phonetic Sciences. [pdf]

2018

Nance, Claire, Sam Kirkham & Eve Groarke. 2018. Studying intonation in varieties of English: Gender and individual variation in Liverpool. In: Natalie Braber & Sandra Jansen (eds) Sociolinguistics in England. Basingstoke: Palgrave Macmillan. [pdf]

Nance, Claire & Sam Kirkham. 2018. Phonology. In: Jonathan Culpeper, Paul Kerswill, Ruth Wodak, Tony McEnery & Francis Katamba (eds) English Language: Description, Variation and Context. Second edition. Basingstoke: Palgrave Macmillan. [pdf]

2017

Kirkham, Sam & Claire Nance. 2017. An acoustic-articulatory study of bilingual vowel production: Advanced tongue root vowels in Twi and tense/lax vowels in Ghanaian English. Journal of Phonetics 62: 65-81. [doi] [pdf]

Kirkham, Sam. 2017. Ethnicity and phonetic variation in Sheffield English liquids. Journal of the International Phonetic Association 47(1): 17-35. [doi] [pdf]

2016

Kirkham, Sam & Emma Moore. 2016. Constructing social meaning in political discourse: Phonetic variation and verb processes in Ed Miliband’s speeches. Language in Society 45(1): 87-111. [doi] [pdf]

Kirkham, Sam. 2016. Constructing multiculturalism at school: Negotiating tensions in talk about ethnic diversity. Discourse & Society 27(4): 383-400. [doi] [pdf]

Kirkham, Sam & Alison Mackey. 2016. Research, relationships and reflexivity: Reflections on two case studies of language and identity. In: Peter De Costa (ed.) Ethics in Applied Linguistics Research: Language Researcher Narratives. London: Routledge, pp. 103-120. [pdf]

2015

Kirkham, Sam. 2015. Intersectionality and the social meanings of variation: Class, ethnicity, and social practice. Language in Society 44(5): 629-652. [doi] [pdf]

Kirkham, Sam & Jessica Wormald. 2015. Acoustic and articulatory variation in British Asian English liquids. Proceedings of the XVIII International Congress of Phonetic Sciences 1-5. [pdf]

Nance, Claire, Sam Kirkham & Eve Groarke. 2015. Intonational variation in Liverpool English. Proceedings of the XVIII International Congress of Phonetic Sciences 1-5. [pdf]

2013

Kirkham, Sam & Emma Moore. 2013. Adolescence. In: J.K. Chambers & Natalie Schilling (eds) The Handbook of Language Variation and Change. Second edition. Oxford: Wiley-Blackwell, pp. 277-296. [doi] [pdf]

2011

Kirkham, Sam. 2011. The acoustics of coronal stops in British Asian English. Proceedings of the XVII International Congress of Phonetic Sciences 1102-1105. [pdf]

Kirkham, Sam. 2011. Personal style and epistemic stance in classroom discussion. Language and Literature 20(3): 201-217. [doi] [pdf]