Nelson Roy Ph.D., CCC-SLP

Faculty Position

Associate Professor, Speech & Language Pathology

Department of Communication Sciences & Disorders &

Division of Otolaryngology - Head & Neck Surgery,

Department of Surgery, School of Medicine

Contact Information

Social & Behavioral Sciences Building, Rm 1219
390 South 1530 East
University of Utah
Salt Lake City, UT 84112-0252
n elson.roy@health.utah.edu
Office: 801-585-0428
Fax: 801-581-7955

Courses Offered

CSD 3120 Anatomy & Physiology of Speech & Hearing
CSD 4270 Medical Speech-Language Pathology
CSD 7832 Swallowing Disorders
CSD 6220 Voice Disorders

Academic Degrees

1997 Ph.D. University of Wisconsin-Madison, Madison, WI.
1989 M.Cl.Sc. University of Western Ontario, London, Ontario, Canada.
1983 B.Sc. (C.D.) University of Western Ontario, London, Ontario, Canada.

Current Professional and Academic Association Memberships

American Speech-Language-Hearing Association (ASHA) CCC-SLP
ASHA Special Interest Division III - Voice and Voice Disorders
Utah Department of Licensing

Professional Experiences

1998-1999 Associate Professor, Minot State University, Minot, ND.
1994-1997 Voice Pathologist, Department of Surgery, Division of Otolaryngology- Head & Neck Surgery, Clinical Science Center, University of Wisconsin Medical School, Madison, WI.
1989-1994 Speech-language Pathologist, Department of Rehabilitation, General Hospital, Sault Ste. Marie, Ontario, Canada.
1989 Speech-language Pathologist (locum), Department of Neurorehabilitation, Laurentian Hospital, Sudbury, Ontario, Canada.
1983-1987 Speech-language Pathologist, Department of Rehabilitation, North Bay Civic Hospital, North Bay, Ontario, Canada.

Scholarship and Creative Activity

Publications (Refereed)

Maryn, Y., De Bodt, M., Van Cauwenberge, P., Roy, N. ,Corthals, P. (submitted). Acoustic measurement of overall voice quality: A meta-analysis. Journal of the Acoustical Society of America.
Sapir, S., Dromey, C., Nissen, S., Roy, N. (submitted). Research Note: Assessing treatment effects with vowel space area (VSA) and formant centralization ratio (FCR): Does the number of vowels make a difference? Journal of Speech, Language, Hearing Research.
Roy, N., Nissen, S., Dromey, C., Sapir, S. (submitted). Articulatory changes in muscle tension dysphonia: Evidence of formant expansion following manual circumlaryngeal therapy. Journal of Communication Disorders.
Awan, S. Roy, N., Jiang, J. (in revision). Nonlinear Dynamic Analysis of Disordered Voice: The Correlation Dimension (D2) as an index of dysphonia severity following treatment? Journal of Communication Disorders.
Roy, N., Smith, M.E., Dromey, C., Redd, J., Neff, S., Grennan, D. (in press). Phonatory effects of external superior laryngeal nerve paralysis: An in vivo model. The Laryngoscope.
Roy, N., Barton, M., Smith, M.E., Dromey, C., Merrill, R., Sauder, C. (in press). An in vivo model of acute ESLN paralysis: Laryngoscopic Findings. The Laryngoscope.
Roy, N., Whitchurch, M., Merrill, R., Houtz, D., Smith, M. (in press). Differential Diagnosis of Adductor Spasmodic Dysphonia and Muscle Tension Dysphonia using Phonatory Break Analysis. The Laryngoscope.
Awan, S. Roy, N. (in press). Outcomes Measurement in Voice Disorders: Application of an Acoustic Index of Dysphonia Severity, Journal of Speech-Language Hearing Research.
Roy, N., Volin, E., Merrill, R., Chapman, R. (in press). Speech motor control and chronic pain. Pain Medicine.
Smith, M.E., Roy, N., Stoddard, K. (2008). Ansa-RLN reinnervation for unilateral vocal fold paralysis in adolescents and young adults. International Journal of Pediatric Otorhinolaryngology, 72, 1311-1316.
Roy, N. (2008). Assessment and treatment of musculoskeletal tension in hyperfunctional voice disorders. International Journal of Speech-Language Pathology, 10(4), 195-209.
Smith, M.E., Roy, N., Stoddard, K., Barton, M. (2008). How does cricotracheal resection affect the voice? Annals of Otology, Rhinology, and Laryngology, 117(2), 85-89.
Dromey, C., Nissen, S., Roy, N., & Merrill, R. (2008). Acoustic evidence of articulatory changes following treatment of muscle tension dysphonia. Journal of Speech Language Hearing Research, 51, 196-208.
Roy, N., Stemple, J., Merrill, R., Thomas, L. (2007). Dysphagia in the Elderly: Preliminary Evidence of Prevalence, Risk Factors, and Socioemotional Effects. Annals of Otology, Rhinology, and Laryngology, 116 (11), 858-865.
Tanner, K.M., Roy, N., Merrill, R., Elstad, M. (2007). Effects of three nebulized osmotic agents in the dry larynx. Journal of Speech Language Hearing Research, 50(3), 635-646.
Roy, N., Holt, K.I., Redmond, S. & Muntz, H., (2007). Behavioral characteristics of children with vocal fold nodules. Journal of Voice, 21(2), 157-168.
Roy, N., Stemple, J., Merrill, R., Thomas, L. (2007). Epidemiology of Voice Disorders in the Elderly: Preliminary Findings. The Laryngoscope, 117(4).
Roy, N., Smith, M.E., Allen, B., Merrill, R. (2007). Adductor spasmodic dysphonia versus muscle tension dysphonia: Examining the diagnostic value of recurrent laryngeal nerve lidocaine block. Annals of Otology, Rhinology, and Laryngology, 116(3), 161-168.
Roy, N., Mauszycki, S.C., Merrill, R.M., Gouse, M. & Smith, M. (2007).Toward improved differential diagnosis of adductor spasmodic dysphonia and muscle tension dysphonia. Folia phoniatrica et Logopedica, 59(2):83-90.
Blomgren, M., Roy, N., Merrill, R., Callister, T. (2006). Assessing stuttering treatment without assessing stuttering frequency? A Response to Reitzes and Snyder. Journal of Speech Language Hearing Research, 49(6), 1423-1426.
Blomgren, M., Roy, N., Merrill, R., Callister, T. (2006). Treatment Outcomes Research: A Response to Ryan 2006. Journal of Speech Language Hearing Research, 49(6), 1415-1419.
Smith, M.E., Roy, N., & Wilson, C. (2006). Lidocaine block of the recurrent laryngeal nerve in adductor spasmodic dysphonia: A multidimensional assessment. The Laryngoscope, 116, 591-595.
Awan, S., & Roy, N. (2006). Toward the development of an objective index of dysphonia severity: A four-factor acoustic model. Clinical Linguistics & Phonetics, 20(1), 35-49.
Tanner, K.M., Roy, N., Merrill, R.M., & Power, D. (2005). Velopharyngeal port status in classical singing. Journal of Speech-Language Hearing Research, 48, 6, 1311-1324.
Roy, N., & Hendarto, H. (2005). Revisiting the pitch controversy: Changes in speaking fundamental frequency following management of functional dysphonia. Journal of Voice. Dec;19(4):582-91.
Roy, N., Merrill, R.M., Gray, S.D., & Smith, E. (2005). Voice disorders in the general population: Prevalence, risk factors, and occupational impact. The Laryngoscope. Nov;115(11):1988-1995.
Blomgren, M., Roy, N., & Callister, T., & Merrill, R. (2005). Intensive Stuttering Modification Therapy: A Multidimensional Assessment of Treatment Outcomes. Journal of Speech-Language Hearing Research, 48 (3), 509-523.
Tanner, K., Roy, N., Ash, A., & Buder, E. (2005). Spectral moments of the long-term average spectrum (LTAS): Sensitive indices of voice improvement after therapy? Journal of Voice, 19 (2), 211-222.
Awan, S., & Roy, N. (2005). Acoustic prediction of voice quality type in adult females with functional dysphonia. Journal of Voice, 19 (2), 268-282.
Roy, N., Gouse, M., Mauszycki, S., Merrill, R., & Smith, M. (2005). Task-specificity in adductor spasmodic dysphonia versus muscle tension dysphonia. The Laryngoscope, 115 (2), 311-316.
Thibeault, S., Merrill, R., Roy, N., Gray, S., & Smith, E. (2004). Risk factors associated with voice disorders among teachers. Annals of Epidemiology, 14 (10), 786-792.
Blomgren, M., Roy, N., & Callister, T. (2004). The Successful Stuttering Management Program: Assessment of Stuttering Frequency and Speech Rate. In: Theory, Research, and Therapy in Fluency Disorders: Proceedings of the International Fluency Association 4th World Congress of Fluency Disorders (Packman, A., Meltzer, A., & Peters, H.F.M. eds.) (pp. 179—183), Nijmegen University Press: Nijmegen, Netherlands.
Roy, N., Merrill, R., Thibeault, S., Gray, S., & Smith, E. (2004). Voice disorders in teachers and the general population: Effects on work performance, attendance, and future career choices. Journal of Speech, Language and Hearing Research, 47(3), 542—551.
Roy, N., Merrill, R., Thibeault, S., Parsa, R.,Gray, S., & Smith, E. (2004). Prevalence of voice disorders in teachers and the general population. Journal of Speech, Language and Hearing Research, 47 (2), 281—293.
Roy, N., Weinrich, B., Tanner, K., Corbin-Lewis, K., & Stemple, J.C. (2004). Replication, Randomization, & Clinical Relevance: A Response to Dworkin & Colleagues (2004). Journal of Speech, Language and Hearing Research, 47 (2), 358—365.
Roy, N., Tanner, K., Gray, S., Blomgren, M., Fisher, K. (2003). An evaluation of the effects of three laryngeal lubricants on phonation threshold pressure (PTP). Journal of Voice, 17(3), 331—342.
Jepsen, M., Gurushanthaiah, D., Roy, N., Smith, M., Gray, S., Davis, K. (2003). Voice, speech, and swallowing outcomes in laser-treated larynx cancer. Laryngoscope, 113 (6), 923—928.
Roy, N., Weinrich, B., Gray, S.D., Tanner, K., Stemple, J., & Sapienza, C. (2003). Three treatments for voice-disordered teachers: A randomized clinical trial. Journal of Speech, Language, and Hearing Research, 46 (3), 670—688.
Andrews-Salvia, M., Roy, N., & Cameron, R. M., (2003). An evaluation of the effects of memory books for individuals with severe dementia. Journal of Medical Speech-Language Pathology, 11, 51—59.
McCormick, C., & Roy, N. (2002). The ChatterVoxTM portable voice amplifier: A means to vibration dose reduction? Journal of Voice, 16 (4), 502—508.
Roy, N., Weinrich, B., Gray, S.D., Tanner, K., Walker-Toledo, S., Dove, H., Corbin-Lewis, K., & Stemple, J. (2002). Voice amplification versus vocal hygiene instruction for teachers with voice disorders: A treatment outcomes study. Journal of Speech, Language and Hearing Research, 45, 625—638.
Roy, N., & Ferguson, N. A., (2001). Vowel formant changes following manual circumlaryngeal therapy for functional dysphonia: Evidence of laryngeal lowering? Journal of Medical Speech-Language Pathology, 9 (3), 169—175.
Roy, N., Leeper, H. A., Blomgren, M., & Cameron, R. M. (2001). A description of phonetic, acoustic, and physiological changes associated with improved intelligibility in a speaker with spastic dysarthria. American Journal of Speech-Language Pathology: A Journal of Clinical Practice, 10, 274--288.
Roy, N., Gray, S.D., Ebert, M. Dove, H., Corbin-Lewis, K., & Stemple, J.C., (2001). An evaluation of the effects of two treatments for teachers with voice disorders: A prospective randomized clinical trial. Journal of Speech, Language, and Hearing Research, 44, 286-296.
Roy, N., Bless, D. M., & Heisey, D. (2000). Personality and voice disorders: A multitrait-multidisorder analysis. Journal of Voice, 14 (4), 521—548.
Roy, N., & Bless, D. M. (2000). Personality traits and psychological factors in voice pathology: A foundation for future research. Journal of Speech, Language and Hearing Research, 43, 737—748.
Roy, N., Bless, D. M., Heisey, D. (2000). Personality and voice disorders: A superfactor trait analysis. Journal of Speech, Language and Hearing Research, 43, 749—768.
Roy, N., Ryker, K. & Bless, D. M. (2000). Vocal violence in actors: An evaluation of its acoustic consequences and the effects of training in hygienic laryngeal release techniques. Journal of Voice, 14, 215—230.
Callan, D., Kent, R.D., Roy, N., & Tasko, S. M. (1999). Self-organizing map for the classification of normal and disordered female voices. Journal of Speech, Language, and Hearing Research, 42, 355-366.
Ford, C. N., Roy, N., Sandage, M., Bless, D. M. (1998). Rigid endoscopy for monitoring indirect vocal fold injection. Laryngoscope, 108, 1584-1586.
Roy, N., McGrory, J. J., Tasko, S. M., Bless, D. M., Heisey, D., Ford, C. N. (1997). Psychological correlates of functional dysphonia: An investigation using the Minnesota Multiphasic Personality Inventory. Journal of Voice, 11, 443-451.
Roy, N., Bless, D. M., Heisey, D., Ford, C. N. (1997). Manual circumlaryngeal therapy for functional dysphonia: An evaluation of short- and long-term treatment outcomes. Journal of Voice, 11 (3), 321-331.
Roy, N., Ford, C. N., Bless, D. M. (1996). Muscle tension dysphonia and spasmodic dysphonia: The role of manual laryngeal tension reduction in diagnosis and management. Annals of Otology, Rhinology and Laryngology, 105 (11), 851-856.
Roy, N., Tasko, S. M. (1994). Speaking fundamental frequency changes following successful management of functional dysphonia. Journal of Speech-Language Pathology and Audiology, 18 (2), 115-120.
Roy, N. (1994). Ventricular dysphonia following long-term endotracheal intubation: A case study. Journal of Otolaryngology, 23 (3), 189-193.
Roy, N., Leeper, H. A., (1993). Effects of the manual laryngeal musculoskeletal tension reduction technique as a treatment for functional voice disorders: Perceptual and acoustic measures. Journal of Voice, 7 (3), 242-249.

Publications (Invited Articles & Book Chapters)

Wambaugh, J., Shuster, L., & Roy, N. (in press). Speech and Language Rehabilitation. In: Psychosocial Rehabilitation of Neurological Disorders (Section III-Rehabilitation Methods), Plenum Publishing Corporation.
Smith, M., Roy, N., Sauder, C. (2008). Functional and spasmodic dysphonias in children. In: Pediatric Voice Disorders Textbook, C.J. Hartnick & M.E. Boseley (Ed.) (pp. 241-253), Plural Publishing: San Diego, CA.
Roy, N. (2005). Teachers with Voice Disorders: Recent Clinical Trials Research, ASHA Leader, Vol. 10, Number 5, April, (pp. 8-11).
Roy, N. (2005). Teachers with Voice Disorders: Recent Evidence from Epidemiological and Randomized Clinical Trials (RCT) Research. Voice Foundation Newsletter.
Roy, N. (2004). Psychogenic/Functional Voice Disorders. In: MIT Encyclopedia of Communication Disorders (pp. 27-30), R. D. Kent (Ed.). MIT Press: Boston, MA.
Roy, N. (2004). Direct Therapeutic Techniques for Psychogenic Voice Disorders. In: MIT Encyclopedia of Communication Disorders (pp. 49-51), R. D. Kent (Ed.). MIT Press: Boston, MA.
Roy, N. (2003). Functional Dysphonia. Current Opinion in Otolaryngology & Head and Neck Surgery, 11 (3), 144-148.
Roy, N. (2003). Evaluating Treatments for Teachers with Voice Disorders: Recent Evidence from Randomized Clinical Trials Research (pp., 16—20). In: Perspectives on Voice and Voice Disorders ASHA SID III, Volume 13, Number 1, Sapienza, C. M., Hoffman-Ruddy, B. (Eds.). ASHA, Rockville, ML.
Roy, N. (2000). Manual circumlaryngeal techniques in the assessment and treatment of muscle tension dysphonia: A case study (pp. 237—249). In: Voice Therapy: Clinical studies (2nd ed.), J. C. Stemple (Ed.). San Diego: Singular Publishing Group.
Roy, N., Voss, W. D. (2000). Cognitive functioning in depression: A commentary (pp. 164—170). In: Anxiety, Depression, and Emotion, R. J. Davidson (Ed.), New York: Oxford University Press.
Roy, N. & Bless, D. M. (2000). Toward a theory of the dispositional bases of functional dysphonia and vocal nodules: Exploring the role of personality and emotional adjustment (pp. 461-480). In: Voice Quality Measurement, R. D. Kent & M. J. Ball (Eds.). San Diego: Singular Publishing Group.
Callan, D., Kent, R.D., Roy, N., & Tasko, S. M. (2000). The use of self-organizing maps for the classification of voice disorders (pp. 103-116). In: Voice Quality Measurement, R. D. Kent & M. J. Ball (Eds.). San Diego: Singular Publishing.
Roy, N., Bless, D. M., (1998). Manual circumlaryngeal techniques in the assessment and treatment of voice disorders. Current Opinion in Otolaryngology & Head and Neck Surgery, 6, 151-155.