Fourteenth Biennial

Conference on Motor Speech:

Motor Speech Disorders


Speech Motor Control


March 6-9, 2008
Monterey, California


Motor Speech Disorders

Co-Conference Chair:    Kathryn Yorkston, Ph.D.

Program Chair:              Julie Liss, Ph.D.


Speech Motor Control

Co-Conference Chair:  Christy Ludlow, Ph.D.

                                   Christopher Moore, Ph.D.

Program Chair             Don Finan, Ph.D.


Publications:                Christopher Dromey, Ph.D.


Local Arrangements:    Jim Till


Conference Management: Mark Hakel, Ph. D.


Acknowledgment:  This conference has been sponsored in part by the Department of Rehabilitation Medicine, University of Washington, Seattle, the Department of Special Education & Communication Disorders, University of Nebraska, Lincoln, the Institute for Rehabilitation Science and Engineering at Madonna Rehabilitation Hospital, Lincoln, Nebraska. 


Continuing Education Units (CEUs)


ASHA’s Special Interest Division 2, Neurophysiology and Neurogenic Speech and Language Disorders, is approved by the Continuing Education Board of the American Speech-Language-Hearing Association to provide continuing education activities in speech-language pathology and audiology.  This program is offered for up to 2.3 CEUs (advanced level; professional area).  ASHA CE Provider approval does not imply endorsement of course content, specific products, or clinical procedures.


An annual ASHA CE Registry fee is required to register ASHA CEU’s. CE Registry fees are paid by the participant directly to the ASHA National Office. The annual CE Registry fee allows registration of an unlimited number of ASHA CEUs for the calendar year. Contact the ASHA CE staff at 800.498.2071, ext 4219 for CE Registry fee subscription information.









Vocal Responses to Loudness- and Pitch-Shift Perturbations in Individuals with Parkinson's Disease

                  H. Liu, E. Q. Wang, L. V. Metman, C. R. Larson

Speech Production in Individuals with Parkinson’s Disease: Basic Kinematic Parameters and Effects of Increased Linguistic Demands on Interarticulatory Coordination

B. Walsh, A. Smith

Spatio-temporal variability in speakers with Parkinson’s Disease

A. Anderson, A. Lowit, C. Dobinson, P. Howell

Laryngeal Engagement in Parkinson's Disease: Evidence of Decreased Scaling in Laryngeal and Respiratory Control

M.J. Hammer


10:30 BREAK



Acoustic Features that Distinguish Canonical Syllables from Precursors

E.H. Buder, D.K. Oller, H.R. Ramsdell, L.B. Chorna

The input-output relationship: Understanding the link between phonological memory and speech motor control

M.I. Grigos, C. Reuterskiöld, N. Erwin

Articulatory speed from 9 to 21 months: Task effects

I. S. B. Nip, J. R. Green





 The ecological validity of intelligibility assessment

M. McHenry, J. Darilek

A new acoustic index of dysarthric vowel articulation (Complex Vowel Formant Ratio: CVFR): A comparison with vowel space area in individuals with and without Parkinson's disease

S. Sapir, L. O. Ramig, J. Spielman

Web-based clinical assessment of intelligibility in dysarthria: MVP-Online

W. Ziegler, A. Zierdt





Articulatory compensation: Interaction between target achievement, optimisation and the properties of the vocal apparatus

J. Brunner, P. Hoole, P. Perrier

Effect of Task on Acoustic Correlates of Stress: Implications for Research Methodology

K. King, M. Rastatter, K. O'Brien

Task specific control of tongue movement speed: Additional evidence from Italian speakers

A. Lofqvist

Prosodic compensations to pitch perturbation during in running speech

R.Patel, P. Campellone, K. Reilly, C. Niziolek, F. Guenther

Dual Task Effects of Talking While Walking: Individuals with Parkinson Disease

J. Stierwalt, L. LaPointe, C. Maitland, G. Heald

Speech effects of subthalamic deep brain stimulation in Parkinson’s disease

A. Jacks, D. Robin, S. Narayana, P. Fox

A Novel DSP Algorithm for Diagnosis of Hypokinetic Speech

A. Biswas

Use of neck and face surface EMG for controlling a prosthetic voice after total laryngectomy

C. Stepp, J. Heaton, R. Hillman

Task influences on articulation and voice parameters in ON and OFF deep brain stimulation in Parkinson’s subjects

D. Sidtis, D. Katsnelson, T. Rogers, J. J. Sidtis

The effects of deep brain stimulation on speech motor programming in patients with Parkinson’s disease

H. N. Jones, D. L. Kendall, M. S. Okun, S. Wu, J. C. Rosenbek

Speech Intelligibility in a Speaker with Idiopathic Parkinson's Disease Before and After Treatment

M. Cannito, D. Suiter, L. Chorna, D. Beverly, T. Wolf, J. Watkins

Effects of cognitive-linguistic factors on speech and language production in Parkinson’s disease

M.S. Troche, L.J.P. Altmann, J.C. Rosenbek, R. Shrivastav, C.M. Sapienza

Orofacial Strength and Speech in Normal and Disordered Adults

N. P. Solomon, H. M. Clark, M. J. Makashay, L. A. Newman

EMA analysis of anticipatory coarticulation in apraxia of speech

C. Bartle, J. Goozée, B. Murdoch

Speech-to-Noise Levels and Conversational Intelligibility in Hypophonia and Parkinson’s Disease

S. G. Adams, A. Dykstra, M. Jenkins, M. Jog

Machine Classification of Dysarthric Productions as an AAC Input Modality

T. DiCicco, R. Patel

Treating consonant place of articulation in the speech of an individual with apraxia of speech using EMA-based feedback

W. F. Katz, D. M. Garst, G. S. Carter, T. R. D. Fossett, M. R. McNeil, N. J. Szuminsky, P. J. Doyle

Treating Festinating Speech with Altered Auditory Feedback in Parkinson’s disease-A Preliminary Report

E. Wang, L. Verhagen Metman

Influence of Punctuation and Syntax on Breath Patterns in Reading

J.E. Huber, M. Darling, E.J. Francis

Using a dual task paradigm to evaluate speech and limb motor function in individuals with early Parkinson disease

C. Fox, C. Collins, B. Farley, L. Ramig, D. Finan

Transcranial magnetic stimulation to assess corticospinal output to lateral abdominal muscles

A. Chhabra, S. Schwerin, E. Kleim, J. Kleim, C. Sapienza




FRIDAY, march 7, 2008






The Larynx Representation of the Human Motor Cortex

S. Brown

Neural correlates of speaking rate and phonatory control

A. Jacks, R. Ingham, M. Cykowski, C. Franklin, R. Selman, P. Fox

Mechanisms of Vowel Production: Auditory Goals and Speaker Acuity

J.S. Perkell, S. Ghosh, F.H. Guenther, H. Lane, M.L. Matthies, L. Ménard, M. Tiede

The neural correlates of word and non-word production: Does frequency matter?

M. Rogers, S. McLaughlin, R. Pompon


10:00 BREAK



Speech Breathing Emergence and Early Refinement in Infants-Children with Cerebral Palsy

C. Boliek, T. Hixon, P. Jones, L.S. Gan

An Innovative Syllable Transition Treatment Trial for Childhood Apraxia of Speech

P.McCabe, K.J.Ballard, D.A.Robin

Psychometric Properties of a Motor Speech Evaluation for Children: The Dynamic Evaluation of Motor Speech Skill

R. McCauley, E. Strand, S. Weigand

Studies of Childhood Apraxia of Speech in Complex Neurodevelopmental Disorders

L. Shriberg





Consonant articulation in young adults: a palatometric study

C. Dromey, M. Sanders

Cortical and Subcortical Contributions to Ororhythmic Behavior

M. Estep, S.M. Barlow, E. Auer

Effects of utterance length and phonologic similarity on syllable timing in healthy and dysarthric speakers

K.J. Reilly, K.A. Spencer

A Transcranial Magnetic Stimulation Virtual Lesion Study of Speech

D.Robin, F. Guenther, S. Narayana, A. Jacks, J. Tourville, A. Ramage, J. Lancaster, C. Franklin, S. Ghosh, P. Fox

A Comparison of Vocal Tract Modes for Production of Vowels and Consonants

B. Story, K. Bunton

Acoustic analysis of voice /speech characteristics in nonsymptomatic gene carriers of Huntington’s disease: does the speech/voice differ from non HD controls?

L. Kaploun, J. Saxman

Intelligibility of a Speech Synthesizer Vocoded Using Dysarthric Vocalizations

R. Patel, A, Roden

The Effect of Hypophonia on Communication Effectiveness in Parkinson’s disease

A. Dykstra, S. Adams, M. Jog

The Effects of Loudness and Noise on Speech Intelligibility in Parkinson Disease

A. Halpern, J. Spielman, L. Ramig, A. Sharpley, I. Panzer

Treatment of Severe Childhood Apraxia of Speech in a 12-year-old male with CHARGE Association: A case study

B. Baas, E. Strand, L. Elmer, W. Barbaresi

Effects in Parkinson’s subjects of ON vs OFF deep brain stimulation on overlearned and serial speech

D. Sidtis, T. Rogers, D. Katsnelson, J. Sidtis

Effects of ON and OFF deep brain stimulation on voice quality in Parkinson’s disease

D. Katsnelson, D. Sidtis, J. J. Sidtis

Speech Intelligibility in ALS and HD: Comparison of Every Listener and Family Caregiver Perspectives

E.R. Klasner

Physiologic jaw tremor under different deep brain stimulator conditions in patients with Parkinson’s disease

F. Boutsen, D. Wu , A. Stevens

The Influence of Amplification on the Intelligibility of the Speech of Speakers with Dysarthria

G.S. Turner, H.N. Martin, R.R. de Jonge

Comparison of Vowel Area in Suspected Childhood Apraxia of Speech

J. Iuzzini, K. Forrest

Speech characteristics associated with three genotypes of ataxia

J.S. Ahn, D. Sidtis, J.J. Sidtis

Using MLG and AAC to Improve Speech Production in Profound Apraxia: A Case Example

J. Lasker, J. Stierwalt, C. Hageman, L. LaPointe, S. Fountain

Are some letter cues more important than others in alphabet supplementation?

E. Hanson, K. McKee, J. Schwalm, N. Rausch, B. Fuhrman, T. Ferber, D. Beukelman

MERT- a self practice alternative for improving subglottal pressure and loudness (Technical Report)

M. Hakel, D. Beukelman, L. Perez, P. Lavin, P. Kavan

Relational growth of vocal tract structures with vocal tract length during the first two decades of life as visualized from MRI and CT studies

H.K. Vorperian, R.D. Kent, S. Wang, M.K. Chung, L.R. Gentry










Combined Modality Treatment of Adductor Spasmodic Dysphonia

E. Silverman, E. Hapner, S. Gorman, D. Lundy, R. Shrivastav, C. Sapienza

Segments and syllables as target units in the treatment of apraxia of speech: An investigation of learning and transfer effects

I. Aichert, W. Ziegler

Exploring treatment efficacy in non-progressive dysarthria: A comparison of two treatment programs

P. Cornwell, D. Theodoros, R. Wenke



Driving Critical Initiatives in Motor Speech

G. Weismer, S. Barlow, A. Smith, J. Caviness




Learning sensorimotor mappings for speech and limb movements in adults who stutter

C. Baldwin, R.A. Prokopenko, L. Max

Changes in speech and regional cerebral blood flow associated with subthalamic nucleus stimulation in Parkinson’s Disease

J.J. Sidtis, D. Sidtis, J.S. Ahn, J. Yuen, E. Sweeting, M. Tagliati, V. Dhawan, D. Eidelberg

Neural Correlates of Efficacy of Voice Therapy Identified by Performance-Correlation Analysis

S. Narayana, W. Zhang, D. Vogel, C. Franklin, D.A. Robin, L.O. Ramig, P.T. Fox





Acoustic characteristics of VCV utterances in the speech of children

K. Bunton, B. Story

Lip Kinematics in Early vs. Late Spanish-English Bilinguals

J.E. Case, M.I. Grigos

Lingual and Buccal Strength: Innovations in Clinical Assessment

H. Clark, N.P. Solomon, K. O’Brien, A. Calleja, S. Newcomb

Percent Vital Capacity per Syllable

R. Netsell

Neural Plasticity and Speech Motor Learning in Older Speakers: Evidence from a Nonword Learning Task

N.Sadagopan, A. Smith

The effect of loudness on articulatory function in non-dysarthric speakers with Parkinson’s disease

B. Murdoch, M. Kuruvilla, J. Goozée, L. Goozée

Relationship between fundamental frequency declination rates and perceptual judgments of dysarthric speech in individuals with cerebral palsy

K. Hustad, G. Weismer

The Effect of Rate Reduction on Marking Prosodic Contrasts in Dysarthria: Pilot Results

R. Patel, P. Campellone

Fundamental Frequency Characteristics in Dysarthria: Effects of Rate and Loudness

K. Tjaden, B. Hilczmayer, E. Szajta

Parkinson’s Disease and the Effect of Lexical Factors on Vowel Articulation

P.J. Watson, B. Munson

Decreased activation in left hemisphere speech processing regions in adults who stutter during both speech perception and production

S. Chang, T. Loucks, MK Kenney, C. Poletto, C. L. Ludlow

Use of prosody by children with severe dysarthria: A Cantonese extension study

T. L. Whitehill, J. F-C. Lai

On-line visual and kinematic feedback in a sound production treatment

T. R. D. Fossett, M. R. McNeil, W. F. Katz, D. Garst, P. Doyle, N. Szuminsky, G. Carter

Laryngeal function during voluntary cough: Its relationship to penetration/aspiration and voice quality in Parkinson’s disease

T. Pitts, D. Bolser, J. Rosenbek, M. Troche, C. Sapienza

Acoustic consequences of disease progression in ALS

Y. Yunusova, J. Green, L. Ball, G. Pattee

Perception of Syntactic Boundaries in Speech Produced by Individuals with Parkinson’s Disease: The Effects of Linguistic Context, Loudness, and Listener Experience

M. MacPherson, J. Huber, D. Snow

The impact of the Lee Silverman Voice Treatment (LSVT®) on articulatory dynamics in Parkinson’s Disease

G. Schulz, D. Theodoros, J. Goozee, M. Kuruvilla, J. Cowles

Formant Steadiness: Treatment Related Changes in Speakers with Hypokinetic Dysarthria

D. Beverly, D. Suiter, L. Chorna, T. Wolf, J. Watkins, M. Cannito

Intensive voice treatment of dysarthria secondary to stroke

L. Mahler, L. Ramig

Perception of Parkinsonian speech: Ratings by self and others vs. acoustic measures

K. Kozlosky, A.M. Goberman

Ultrasonic vocalization in rats after unilateral dopamine depletion or mild doses of a dopamine receptor antagonist: Towards an animal model of vocalization in Parkinson disease

C. Fox, M. Ciucci, T. Ma, A. Ahren, J. Kane, L. Cormack, T. Schallert, L. Ramig











Nonword Repetition in Children and Adults: Evidence for Consolidation of Speech Motor Learning

J. Sasisekaran, A. Smith, N. Sadagopan, B. Walsh, C. Weber-Fox

Motor learning and transfer along two continua of complexity for nonspeech oral gestures

S. Shaiman, J.B. Kotler, K.M. Meigh, M.R. McNeil, N.J. Szuminsky, K. Verdolini

Word frequency and phonologic similarity: Investigations into the processes of phonological processing for speech production

J. Silkes, M. Rogers

The Study of Speech Motor Control as a Developmental Life Span Phenomena

E.T. Stathopoulos, J.E. Huber

Compensatory responses to unexpected jaw loading during speech

M.K. Tiede, T. Ito, D.J. Ostry

Articulation in children with childhood apraxia of speech or phonological disorder

L. Nijland, B. Maassen, H. Terband

Changes in Speech Production Following Intensive Voice vs. Intensive Articulation Therapy in Parkinson Disease: A Preliminary Study

J. Spielman, A. Halpern, L.O. Ramig

Physiological constraints and their effects on articulatory performance in ALS

A. Mefferd, J. Green, L. Ball, G. Pattee

The Speech Needs Questionnaire: Preliminary data from a spasmodic dysphonia sample

C. Baylor, K. Yorkston, T. Eadie, D. Amtmann

Intensive voice treatment (LSVT®) for children with spastic cerebral palsy

C. Fox, C. Boliek, N.Namdaran, C. Nickerson, B. Gardner, C. Piccott, J. Hilstad, E. Archibald

Cues to Lexical Segmentation: A Study of Resynthesized Speech

S. Spitzer, J. Liss, S. Mattys

Clients’ perspectives on traditional vs. altered feedback therapy for rate control: Views of people with Parkinson Disease

C. H. Dobinson, A. Lowit

Increased levels of neural noise as the core deficit in Childhood Apraxia of Speech (CAS)

H. Terband, B. Maassen, J. Brumberg, F. Guenther

Effects of dopaminergic medication on response preparation in Parkinson’s disease

K. Spencer

Influence of auditory distraction upon intelligibility ratings in dysarthria

M.J. McAuliffe, P.V. Good., G.A. O’Beirne, L.L. LaPointe

Validating the delivery of LSVT® online

D. Theodoros, G. Constantinescu, T. Russell, E. Ward, S. Wilson, R. Wootton

Repetitive Speech Behavior in PD – relationship to cognition and response to DAF

A. Lowit, J. McLeod. P. Howell, B. Brendel

CASE REPORT: Glossopharyngeal and neck accessory muscle breathing permit ventilator free time in a young woman with C2 complete tetraplegia and tracheostomy

D. Britton, L. Boitano, C. Johnson, J. Benditt, K. Bell

Pauses or phonemic cues: What makes alphabet supplementation work?

E. Hanson, K. McKee, J. Schwalm, N. Rausch, B. Fuhrman, T. Ferber

Nasal Obturation for Chronic Velopharyngeal Dysfunction of Dysarthria: A Technical Report

M. Hakel, D. Beukelman

Can IOPI Be Used to Measure Tongue Pressure for Speech Sounds?

A. Neel, P. Palmer, C. Gass

NTrainer Treatment Reduces Suck Spatiotemporal Variability in Preterm Infants

M. Poore, E. Zimmerman, S.M. Barlow, J. Wang, F. Gu



Effect of age on response of the speech motor system to unanticipated perturbation of the lip

K.J. Ballard, L.M. Chaitow, D.A. Robin, J.W. Folkins, J. Moon

Somatosensory information modifies perception of speech sounds

T. Ito, M. Tiede, D.J. Ostry

Speech Motor Learning in Deaf Adults

S. Nasir, D.J. Ostry


11:00 BREAK



Examining Intelligibility Deficits in ALS and Huntington’s Disease

J. Liss, S. Spitzer, K. Lansford, Y. Choe, K. Kennerley, J. Caviness

Patterns of speech abnormality in a large dysarthria database: Interactions between severity, acoustic features and dysarthria type

Y. Kim, R. Kent, G. Weismer, J. Duffy

Spontaneous speech production in apraxia of speech: Influence of sublexical frequency and structure

A. Staiger, W. Ziegler