How fluent is the fluent speech of people who stutter? A new approach to measuring kinematics with ultrasound

References

• Adams, D. C. (1999). Methods for shape analysis of landmark data from articulated structures. Evolutionary Ecology Research, 1(8), 959–970.
   Web of Science ®Google Scholar
• Articulate Instruments Ltd. (2008). Ultrasound stabilisation headset users manual: Revision 1.4. Edinburgh, UK: Articulate Instruments Ltd.
   Google Scholar
• Articulate Instruments Ltd. (2012). Articulate assistant advanced user guide: Version 2.14. Edinburgh, UK: Articulate Instruments Ltd.
   Google Scholar
• Bakker, K., & Brutten, G. J. (1990). Speech-related reaction times of stutterers and nonstutterers diagnostic implications. Journal of Speech and Hearing Disorders, 55(2), 295−299.
   PubMedGoogle Scholar
• Boersma, P., & Weenink, D. (2015). Praat: Doing phonetics by computer: Version 5.4.05. (retrieved 17 February 2015 ed.). http://www.praat.org/.
   Google Scholar
• Brocklehurst, P. H., & Corley, M. (2011). Investigating the inner speech of people who stutter: Evidence for (and against) the covert repair hypothesis. Journal of Communication Disorders, 44(2), 246–260.
   PubMed Web of Science ®Google Scholar
• Büchel, C., & Sommer, M. (2004). What causes stuttering? PLoS Biology, 2(2), 159–163.
   Web of Science ®Google Scholar
• Caruso, A. J., Abbs, J. H., & Gracco, V. L. (1988). Kinematic analysis of multiple movement coordination during speech in stutterers. Brain: A Journal of Neurology, 111, 439–456.
   PubMed Web of Science ®Google Scholar
• Chang, S., Ohde, R. N., & Conture, E. G. (2002). Coarticulation and formant transition rate in young children who stutter. Journal of Speech, Language and Hearing Research, 45(4), 676–688.
   PubMed Web of Science ®Google Scholar
• Craig, A., Hancock, K., Tran, Y., Craig, M., & Peters, K. (2002). Epidemiology of stuttering in the community across the entire life span. Journal of Speech, Language, and Hearing Research, 45(6), 1097–1105.
   PubMed Web of Science ®Google Scholar
• Cross, D. E., & Luper, H. L. (1979). Voice reaction time of stuttering and nonstuttering children and adults. Journal of Fluency Disorders, 4(1), 59–77.
   Web of Science ®Google Scholar
• De Nil, L. F., & Brutten, G. (1991). Voice onset times of stuttering and nonstuttering children: The influence of externally and linguistically imposed time pressure. Journal of Fluency Disorders, 16(2), 143–158.
   Web of Science ®Google Scholar
• Di Simoni, F. G. (1974). Preliminary study of certain timing relationships in the speech of stutterers. The Journal of the Acoustical Society of America, 56(2), 695–696.
   PubMed Web of Science ®Google Scholar
• Gick, B., & Campbell, F. (2003). Intergestural timing in English /r/. Proceedings of the 15th International Congress of Phonetic Sciences, 1–4.
   Google Scholar
• Harbison, D. C., Jr., Porter, R. J., Jr., & Tobey, E. A. (1989). Shadowed and simple reaction times in stutterers and nonstutterers. The Journal of the Acoustical Society of America, 86(4), 1277–1284.
   PubMed Web of Science ®Google Scholar
• Healey, E. C., & Ramig, P. R. (1986). Acoustic measures of stutterers’ and nonstutterers’ fluency in two speech contexts. Journal of Speech, Language, and Hearing Research, 29(3), 325–331.
   Web of Science ®Google Scholar
• Hoole, P., & Nguyen, N. (1997). Electromagnetic articulography in coarticulation research. Forschungsberichte Des Instituts Für Phonetik Und Sprachliche Kommunikation Der Universität München, 35, 177–184.
   Google Scholar
• Horii, Y. (1984). Phonatory initiation, termination, and vocal frequency change reaction times of stutterers. Journal of Fluency Disorders, 9(2), 115–124.
   Web of Science ®Google Scholar
• Iskarous, K. (2005). Patterns of tongue movement. Journal of Phonetics, 33, 363–381.
   Web of Science ®Google Scholar
• Kleinow, J., & Smith, A. (2000). Influences of length and syntactic complexity on the speech motor stability of the fluent speech of adults who stutter. Journal of Speech, Language and Hearing Research, 43(2), 548–559.
   PubMed Web of Science ®Google Scholar
• Lawson, E., Stuart-Smith, J., & Scobbie, J. M. (2014). A mimicry study of adaptation towards socially-salient tongue shape variants. University of Pennsylvania Working Papers in Linguistics, 20(2), 99–110.
   Google Scholar
• Max, L., Caruso, A. J., & Gracco, V. L. (2003). Kinematic analyses of speech, orofacial nonspeech, and finger movements in stuttering and nonstuttering adults. Journal of Speech, Language, and Hearing Research, 46(1), 215–232.
   PubMed Web of Science ®Google Scholar
• Max, L., & Gracco, V. L. (2005). Coordination of oral and laryngeal movements in the perceptually fluent speech of adults who stutter. Journal of Speech, Language, and Hearing Research, 48(3), 524–542.
   PubMed Web of Science ®Google Scholar
• McClean, M. D., Kroll, R. M., & Loftus, N. S. (1990). Kinematic analysis of lip closure in stutterers’ fluent speech. Journal of Speech, Language, and Hearing Research, 33(4), 755–760.
   Web of Science ®Google Scholar
• McClean, M. D., Tasko, S. M., & Runyan, C. M. (2004). Orofacial movements associated with fluent speech in persons who stutter. Journal of Speech, Language, and Hearing Research, 47(2), 294–303.
   PubMed Web of Science ®Google Scholar
• Mooshammer, C., Hoole, P., & Kühnert, B. (1995). On loops. Journal of Phonetics, 23(1), 3–21.
   Web of Science ®Google Scholar
• Namasivayam, A. K., & van Lieshout, P. (2008). Investigating speech motor practice and learning in people who stutter. Journal of Fluency Disorders, 33(1), 32–51.
   PubMed Web of Science ®Google Scholar
• Namasivayam, A. K., & van Lieshout, P. (2011). Speech motor skill and stuttering. Journal of Motor Behavior, 43(6), 477–489.
   PubMed Web of Science ®Google Scholar
• Pouplier, M., & Waltl, S. (2008). Articulatory timing of coproduced gestures and its implications for models of speech production. Proceedings of the 8th International Seminar on Speech Production, 19–22.
   Google Scholar
• Prasse, J. E., & Kikano, G. E. (2008). Stuttering: An overview. American Family Physician, 77(9), 1271–1276.
   PubMed Web of Science ®Google Scholar
• Riley, G. D. (2009). Stuttering Severity Instrument: SSI-4. Austin, TX: Pro-Ed.
   Google Scholar
• Schönle, P. W., Gräbe, K., Wenig, P., Höhne, J., Schrader, J., & Conrad, B. (1987). Electromagnetic articulography: Use of alternating magnetic fields for tracking movements of multiple points inside and outside the vocal tract. Brain and Language, 31(1), 26–35.
   PubMed Web of Science ®Google Scholar
• Scobbie, J. A., Punnoose, R., & Khattab, G. (2013). Articulating five liquids: a single speaker ultrasound study of Malayam. In L. Spreafico and A. Vietti (Eds.), Rhotics: New data and perspectives (pp. 99–124). Bozen-Bolzano: BU Press.
   Google Scholar
• Smith, A., Sadagopan, N., Walsh, B., & Weber-Fox, C. (2010). Increasing phonological complexity reveals heightened instability in inter-articulatory coordination in adults who stutter. Journal of Fluency Disorders, 35(1), 1–18.
   PubMed Web of Science ®Google Scholar
• Starkweather, C. W., & Myers, M. (1979). Duration of subsegments within the intervocalic interval in stutterers and nonstutterers. Journal of Fluency Disorders, 4(3), 205–214.
   Web of Science ®Google Scholar
• Strycharczuk, P., & Scobbie, J. M. (2015). Velocity measures in ultrasound data: Gestural timing of post-vocalic /l/ in English. Proceedings of the 18th International Congress of Phonetic Sciences (ICPhS), Glasgow, UK.
   Google Scholar
• Tasko, S. M., & Westbury, J. R. (2002). Defining and measuring speech movement events. Journal of Speech, Language, and Hearing Research, 45(1), 127–142.
   PubMed Web of Science ®Google Scholar
• Van Riper, C. (1982). The nature of stuttering. Englewood Cliffs, NJ: Prentice Hall.
   Google Scholar
• Watson, B. C., & Alfonso, P. J. (1982). A comparison of LRT and VOT values between stutterers and nonstutterers. Journal of Fluency Disorders, 7(2), 219–241.
   Web of Science ®Google Scholar
• Wingate, M. E. (1976). Stuttering: Theory and treatment. Boston, MA: Irvington.
   Google Scholar
• Wingate, M. E. (1988). The structure of stuttering: A psycholinguistic analysis. New York, NY: Springer Verlag.
   Google Scholar
• Wrench, A. A., & Scobbie, J. M. (2006). Spatio-temporal inaccuracies of video-based ultrasound images of the tongue. Proceedings of the 7th International Seminar on Speech Production, 451–458.
   Google Scholar
• Wrench, A. A., & Scobbie, J. M. (2008). High-speed cineloop ultrasound vs. video ultrasound tongue imaging: Comparison of front and back lingual gesture location and relative timing. Proceedings of the Eighth International Seminar on Speech Production (ISSP), 57–60.
   Google Scholar
• Wrench, A. A., & Scobbie, J. M. (2011). Very high frame rate ultrasound tongue imaging. Proceedings of the 9th International Seminar on Speech Production (ISSP), 155–162.
   Google Scholar
• Yaruss, J. S., & Quesal, R. W. (2006). Overall assessment of the speaker’s experience of stuttering (OASES): Documenting multiple outcomes in stuttering treatment. Journal of Fluency Disorders, 31(2), 90–115.
   PubMed Web of Science ®Google Scholar
• Yoshioka, H., & Löfqvist, A. (1981). Laryngeal involvement in stuttering. Folia Phoniatrica Et Logopaedica, 33(6), 348–357.
   Google Scholar
• Zharkova, N., Hewlett, N., Hardcastle, W. J., & Lickley, R. J. (2014). Spatial and temporal lingual coarticulation and motor control in preadolescents. Journal of Speech, Language, and Hearing Research, 57(2), 374–388.
   PubMed Web of Science ®Google Scholar
• Zimmermann, G. (1980). Articulatory dynamics of fluent utterances of stutterers and nonstutterers. Journal of Speech, Language, and Hearing Research, 23(1), 95–107.
   Web of Science ®Google Scholar