Natalia Zharkova PhD

Email: nzharkova@qmu.ac.uk

I am a linguist and a phonetician working in the area of typical and disordered child speech production development, using articulatory and acoustic techniques. 

Academic positions

Nov 2006 – Feb 2016: Several successive research and teaching posts, Queen Margaret University, Edinburgh
Mar 2016 – present: Researcher, Clinical Audiology, Speech and Language Research Centre, QMU

Academic qualifications

PhD, Speech and Hearing Sciences, Queen Margaret University (2007)
Thesis title: "An investigation of coarticulation resistance in speech production using ultrasound"

MA (with distinction), Department of Linguistics, State University of St. Petersburg (2002)
Thesis title: "Acquisition of phonology by children: an experimental phonetic study"

Research grants as Principal Investigator

- Oct 2012 - Feb 2016: "Coarticulation and tongue differentiation in children between three and thirteen years old": PI Dr Natalia Zharkova, ESRC research grant,  ES/K002597/1. QMU co-investigators: Dr Nigel Hewlett and Dr Robin Lickley; international co-investigator Prof Fiona Gibbon (University College Cork); consultant Prof William Hardcastle. (Continually updated information on outputs from the project on Gateway to Research run by Research Councils UK)

- Oct 2010 - Sep 2011: "Lingual coarticulation in preadolescents and adults: an ultrasound study" (PI Dr Natalia Zharkova, ESRC research grant, RES-000-22-4075, co-investigators: Dr Nigel Hewlett and Dr Robin Lickley; consultant Prof William Hardcastle). Outputs from the project on Gateway to Research

- May 2008 - Apr 2009: "An ultrasound study of lingual coarticulation in children and adults" (PI Dr Natalia Zharkova, ESRC research grant, RES-000-22-2833, co-investigators: Dr Nigel Hewlett and Prof William Hardcastle). Outputs from the project on Gateway to Research

- Nov 2006 - Oct 2007: "Studying speech variability with ultrasound and EPG" (ESRC Postdoctoral Fellowship to Dr Natalia Zharkova, PTA-026-27-1268, mentor Prof William Hardcastle). Outputs from the project on Gateway to Research)

Consultancy on research grants

- Feb 2017 - Feb 2021: International consultant on a research grant from the Croatian Science Foundation to Dr Marko Liker (University of Zagreb, Croatia), "Coarticulation in Croatian speech: Instrumental investigation".

- Apr 2017 - July 2018: Consultant on a research grant from Action Medical Research to Dr Joanne Cleland (University of Strathclyde, Glasgow, UK), "Visualising speech: Using ultrasound visual biofeedback to diagnose and treat speech disorders in children with cleft lip and palate".

- Jan 2015 - Dec 2017: International member of the team on a research grant from the Spanish Government to Prof Daniel Recasens (Universidad Autonoma de Barcelona, Spain), "A research study of coarticulation with ultrasound and of its implications for the origin of sound change".

I am a member of the International Expert Panel on Multilingual Children's Speech, organised by Prof Sharynne McLeod in 2012.

Membership
- International Phonetic Association (life member)
- British Association of Academic Phoneticians

Publications

Zharkova, N., Hardcastle, W. J. & Gibbon, F. E. (in press). The dynamics of voiceless sibilant fricative production in children between seven and thirteen years old: an ultrasound and acoustic study. Journal of the Acoustical Society of America.

Zharkova, N. (2018). An ultrasound study of the development of lingual coarticulation during childhood. Phonetica, 75, 245-271. PDF or DOI link

McLeod, S., Verdon, S. & The International Expert Panel on Multilingual Children's Speech (2017). Tutorial: Speech assessment for multilingual children who do not speak the same language(s) as the speech-language pathologist. American Journal of Speech-Language Pathology, 26, 691-708. Paper (Open Access)

Zharkova, N. (2017). Voiceless alveolar stop coarticulation in typically developing 5-year-olds and 13-year-olds. Clinical Linguistics & Phonetics, 31, 503-513. PDF on ResearchGate or DOI link

Zharkova, N., Gibbon, F. E. & Lee, A. (2017). Using ultrasound tongue imaging to identify covert contrasts in children’s speech. Clinical Linguistics & Phonetics, 31, 21-34. PDF on ResearchGate or DOI link

Zharkova, N. (2016). Ultrasound and acoustic analysis of sibilant fricatives in preadolescents and adults. Journal of the Acoustical Society of America, 139, 2342-2351. PDF or URL for published article abstract.

Cleland, J., Scobbie, J. M. & Zharkova, N. (2016). (Guest eds.) Special issue of Clinical Linguistics & Phonetics: Insights from Ultrasound: Enhancing Our Understanding of Clinical Phonetics. Volume 30, issue 3-5. Editorial

Zharkova, N., Hardcastle, W. J., Gibbon, F. E. & Lickley, R. J. (2015). Development of lingual motor control in children and adolescents. In The Scottish Consortium for ICPhS 2015 (Ed.), Proceedings of the 18th International Congress of Phonetic Sciences, 10-14 August 2015, Glasgow, UK. Online ISBN 978-0-85261-941-4. PDF on the International Phonetic Association website

Zharkova, N., Gibbon, F. E. & Hardcastle, W. J. (2015). Quantifying lingual coarticulation using ultrasound imaging data collected with and without head stabilisation. Clinical Linguistics & Phonetics, 29, 249-265. PDF on ResearchGate or DOI link

Zharkova, N., Lickley, R. J. & Hardcastle, W. J. (2014). Development of lingual coarticulation and articulatory constraints between childhood and adolescence: an ultrasound study. In S. Fuchs, M. Grice, A. Hermes, L. Lancia & D. Mücke (Eds), Proceedings of the 10th International Seminar on Speech Production (ISSP), 5 – 8 May 2014, Cologne, Germany. Pp. 472-475. PDF or Link to Proceedings

Zharkova, N., Hewlett, N., Hardcastle, W.J. & Lickley, R. (2014). Spatial and temporal lingual coarticulation and motor control in preadolescents. Journal of Speech, Language, and Hearing Research, 57, 374-388. PDF on QMU eResearch or Link to journal website

McLeod, S., Verdon, S., Bowen, C. & The International Expert Panel on Multilingual Children’s Speech (2013). International aspirations for speech-language pathologists' practice with multilingual children with speech sound disorders: Development of a position paper. Journal of Communication Disorders, 46, 375-387. Link to journal website

Zharkova, N. (2013). A normative-speaker validation study of two indices developed to quantify tongue dorsum activity from midsagittal tongue shapes. Clinical Linguistics & Phonetics, 27, 484-496.  PDF on ResearchGate or DOI link

Lee, A., Zharkova, N. & Gibbon, F. (2013). Vowel imaging. In M. Ball & F. Gibbon (Eds), Handbook of Vowels and Vowel Disorders. 2nd edition. Hove: Psychology Press. Pp. 138-159.

Zharkova, N. (2013). Using ultrasound to quantify tongue shape and movement characteristics. The Cleft Palate-Craniofacial Journal, 50, 76-81. DOI link

Zharkova, N., Hewlett, N. & Hardcastle, W.J. (2012). An ultrasound study of lingual coarticulation in /sV/ syllables produced by adults and typically developing children. Journal of the International Phonetic Association, 42, 193-208. PDF or Link to journal website

Zharkova, N., Hewlett, N. & Hardcastle, W.J. (2011). Coarticulation as an indicator of speech motor control development in children: an ultrasound study. Motor Control, 15, 118-140. PDF

Zharkova, N., Schaeffler, S. & Gibbon, F. (2009). Adult speakers’ tongue-palate contact patterns for bilabial stops within complex clusters. Clinical Linguistics & Phonetics, 23, 901-910. PDF on ResearchGate or DOI link

Zharkova, N. & Hewlett, N. (2009). Measuring lingual coarticulation from midsagittal tongue contours: description and example calculations using English /t/ and /a/. Journal of Phonetics, 37, 248-256. DOI link

Zharkova, N., Hewlett, N. & Hardcastle, W. J. (2008). An ultrasound study of lingual coarticulation in children and adults. In R. Sock, S. Fuchs & Y. Laprie (Eds), Proceedings of the 8th International Seminar on Speech Production 2008, Strasbourg, France, 8-12 December 2008. Pp. 161-164. PDF

Zharkova, N. (2008). An EPG and ultrasound study of lingual coarticulation in vowel-consonant sequences. In R. Sock, S. Fuchs & Y. Laprie (Eds), Proceedings of the 8th International Seminar on Speech Production 2008, Strasbourg, France, 8-12 December 2008. Pp. 241-244. PDF

Zharkova, N., Hewlett, N. & Hardcastle, W. (2008). Analysing coarticulation in Scottish English children and adults: an ultrasound study. Canadian Acoustics, 36 (3): Proceedings of the Acoustics Week in Canada 2008. Pp. 158-159.

Zharkova, N. (2007). Quantification of coarticulatory effects in several Scottish English phonemes using ultrasound. QMU Speech Science Research Centre Working Papers, WP-13, 1-19. PDF

Zharkova, N. (2005). Strategies in the acquisition of segments and syllables in Russian-speaking children. In M. Tzakosta, C. Levelt & J. van de Weijer (Eds), Developmental Paths in Phonological Acquisition. Special issue of Leiden Papers in Linguistics 2.1, 189-213.

Zharkova, N. (2002). Acquisition of prosody in Russian. In B. Bel & I. Marlien (Eds), Proceedings of the Speech Prosody 2002 conference, 11-13 April 2002. Aix-en-Provence: Laboratoire Parole et Langage. Pp. 735-738.

Zharkova, N. (2000). Detskaja rech’ v vosprijatii vzroslyh (Children’s speech in adults’ perception). Working papers by Young Researchers of Russia, 3, 69-77.

Zharkova, N. (2000). Malen’kij rebenok i bol’shoj jazyk: psiholingvisticheskoje issledovanije (The little child and the big language: a psycholinguistic study). In G. Minczew (Ed.), Proceedings of the international student conference "People Under the Influence of Another Culture", Lodz, Poland, 7-9 December 1998. Pp. 105-110.

Kulikov, G.A., Andreeva, N.G., Pavlikova, M.I., Samokischuk, A.P. & Zharkova, N.N. (1999). Phonetic and instrumental analysis of vowel-like sounds produced by infants during the first six months of life). In The Psychophysiological Basis of Social Adaptation in Children. St. Petersburg: Mother and Child Psychophysiology Research Centre, State University of St. Petersburg. Pp. 58-66.

Peer-reviewing and editorial service

2015-2019: Member of the ESRC peer review college
2017-2018: Journal of Speech, Language, and Hearing Research (Guest Editor)
2016: Clinical Linguistics & Phonetics (Special issue Guest Co-Editor)

I have served as a reviewer for the following journals:
American Journal of Speech-Language Pathology - Canadian Journal of Linguistics - Cleft Palate-Craniofacial Journal - Clinical Linguistics and Phonetics - Journal of Phonetics - Journal of Speech, Language, and Hearing Research - Journal of the Acoustical Society of America - Journal of the International Phonetic Association - Laboratory Phonology - Language and Speech - Motor Control - Phonetica - Speech Communication

Selected invited presentations

Speech motor control development in children between 5 and 13 years old: evidence from ultrasound imaging of tongue movements. Invited oral presentation at the Workshop on Late Stages in Speech and Communication Development (LSCD 2014), University College London, London, UK, 3-4 April 2014.

Using ultrasound to visualise and interpret tongue movements. Invited presentation/demonstration at the London Speech Disorders Special Interest Group, the Royal College of Speech and Language Therapists, London, 26 February 2014. <more details here>

Recent academic presentations

(presentations up to 2016 are listed here)

Lloyd, S., Cleland, J., Crampin, L., Campbell, L., Zharkova, N. & Palo, P. (2018). Visualising speech: identification of atypical tongue-shape patterns in the speech of children with cleft lip and palate using ultrasound technology. Poster at the Craniofacial Society of Great Britain & Ireland Annual Scientific Meeting. Birmingham, UK, 18-20 April 2018. [Poster - won poster prize]

Zharkova, N. (2017). Changes in dynamic lingual coarticulation of /s/ between eleven and thirteen years old. Oral presentation at Ultrafest VIII, University of Potsdam, Potsdam, Germany, 4-6 October 2017.

Cleland, J., Crampin, L., Wrench, A.A., Zharkova, N., Lloyd, S. & Palo, P. (2017). Visualising speech: using ultrasound to diagnose and treat speech disorders in children with cleft lip and palate. Poster at Ultrafest VIII, University of Potsdam, Potsdam, Germany, 4-6 October 2017.

Cleland, J., Crampin, L., Zharkova, N., Wrench, A.A., Lloyd, S. & Palo, P. (2017). Visualising speech: using ultrasound visual biofeedback to diagnose and treat speech disorders in children with cleft palate. Poster at the Royal College of Speech and Language Therapists Conference 2017, Glasgow, UK, 27-28 September 2017.

Link to scripts for analysing tongue curves

Link to the CASL reading group on phonetics