TY - JOUR
T1 - Speech and nonspeech
T2 - What are we talking about?
AU - Maas, Edwin
N1 - Funding Information:
This work was supported by NIH K01-DC010216. The content is solely the responsibility of the author and does not necessarily represent the official views of the National Institutes of Health. A version of this paper was presented at the 2016 Conference on Motor Speech (Newport Beach, CA, March 2016). I would like to thank Diane Bahr, Kirrie Ballard, Kate Bunton, Gayle DeDe, Gregg Lof, Marja-Liisa Mailend, Antje Mefferd, Don Robin, Anja Staiger, Wolfram Ziegler, attendees at the 2016 Conference on Motor Speech, two anonymous reviewers, and many others for insightful discussions over the years that have shaped the views expressed here.
Publisher Copyright:
© 2016 The Speech Pathology Association of Australia Limited Published by Taylor & Francis.
PY - 2017/7/4
Y1 - 2017/7/4
N2 - Understanding of the behavioural, cognitive and neural underpinnings of speech production is of interest theoretically, and is important for understanding disorders of speech production and how to assess and treat such disorders in the clinic. This paper addresses two claims about the neuromotor control of speech production: (1) speech is subserved by a distinct, specialised motor control system and (2) speech is holistic and cannot be decomposed into smaller primitives. Both claims have gained traction in recent literature, and are central to a task-dependent model of speech motor control. The purpose of this paper is to stimulate thinking about speech production, its disorders and the clinical implications of these claims. The paper poses several conceptual and empirical challenges for these claims–including the critical importance of defining speech. The emerging conclusion is that a task-dependent model is called into question as its two central claims are founded on ill-defined and inconsistently applied concepts. The paper concludes with discussion of methodological and clinical implications, including the potential utility of diadochokinetic (DDK) tasks in assessment of motor speech disorders and the contraindication of nonspeech oral motor exercises to improve speech function.
AB - Understanding of the behavioural, cognitive and neural underpinnings of speech production is of interest theoretically, and is important for understanding disorders of speech production and how to assess and treat such disorders in the clinic. This paper addresses two claims about the neuromotor control of speech production: (1) speech is subserved by a distinct, specialised motor control system and (2) speech is holistic and cannot be decomposed into smaller primitives. Both claims have gained traction in recent literature, and are central to a task-dependent model of speech motor control. The purpose of this paper is to stimulate thinking about speech production, its disorders and the clinical implications of these claims. The paper poses several conceptual and empirical challenges for these claims–including the critical importance of defining speech. The emerging conclusion is that a task-dependent model is called into question as its two central claims are founded on ill-defined and inconsistently applied concepts. The paper concludes with discussion of methodological and clinical implications, including the potential utility of diadochokinetic (DDK) tasks in assessment of motor speech disorders and the contraindication of nonspeech oral motor exercises to improve speech function.
KW - Speech
KW - nonspeech
KW - speech motor control
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U2 - 10.1080/17549507.2016.1221995
DO - 10.1080/17549507.2016.1221995
M3 - Review article
C2 - 27701907
AN - SCOPUS:84990188334
VL - 19
SP - 345
EP - 359
JO - International Journal of Speech-Language Pathology
JF - International Journal of Speech-Language Pathology
SN - 1754-9507
IS - 4
ER -