About The Book

Measuring Voice, Speech, and Swallowing in the Clinic and Laboratory provides a definitive reference and text for methods of measurement of voice, speech, and swallowing functioning and disorders. It was developed for measurement courses in speech-language pathology graduate and doctoral programs and is also an essential reference for practitioners or anyone who needs to make quantitative assessments of the systems involved. The goal of this text is to provide basic information on the instruments and measures commonly used for assessing and treating persons with disorders of voice, speech, and swallowing for clinical practice, research studies, and conducting clinical trials. New developments in electrical and magnetic stimulation for noninvasive stimulation of nerves, muscles, and the brain are provided for augmenting treatment benefits for persons with voice, speech, and swallowing disorders. Other new techniques included are electromyography, articulography, transcranial magnetic stimulation, functional MRI, fNIRS, DTI, and transcranial direct current stimulation for treatment applications.

The text includes methods for recording and analyzing speech, acoustics, imaging and kinematics of vocal tract motion, air pressure, airflow, respiration, clinical evaluation of voice and swallowing disorders, and functional and structural neuroimaging. Many of the methods are applicable for use in clinical practice and clinical research.

Key Features:

  • More than 250 full-color images
  • Summary tables to guide selection of instruments and measures for various applications
  • Each chapter begins and ends with an overview and conclusion for review of content
  • Appendices of measurement standards

Clinical investigators and clinicians wanting to measure voice, speech, and swallowing functions for clinical documentation will benefit from this book, as will students and professors. Measuring Voice, Speech, and Swallowing in the Clinic and Laboratory pulls together the necessary information on methods of measurement from different disciplines and sources into one convenient resource. Information on measurement in the fields of voice, speech, and swallowing is now readily available for training doctoral students and guidance of clinicians incorporating instrumental assessment into their practice.

About The Authors

Christy L. Ludlow, PhD, began her career as a speech-language pathologist before moving into clinical and basic research on speech and voice at the National Institutes of Health, where she conducted research for 35 years. She was Chief the Laryngeal and Speech Section and became a Senior Investigator in the National Institute of Neurological Disorders and Stroke conducting both basic and clinical neurophysiological studies of normal and disordered voice, speech, and swallowing. She then moved to the Department of Communication Sciences and Disorders at James Madison University, where she led the PhD program and established the Voice and Swallowing Service, a joint collaboration between the university and the Sentara RMH Hospital.

Raymond D. Kent, PhD, is Professor Emeritus of Communicative Disorders at the University of Wisconsin-Madison. His primary research interests include: neurogenic speech disorders in children and adults, speech development in infants and young children, procedures to assess speech intelligibility and quality, acoustic analyses of speech, and theories of speech production.

Lincoln C. Gray, PhD, is Professor of Communication Sciences and Disorders at James Madison University and Adjunct Research Professor of Otolaryngology at the University of Virginia Medical School. Dr. Gray graduated magna cum laude from Carleton College. He has a joint PhD in Neuroscience and Zoology from Michigan State University and has done postdoctoral work at Yale University and the University of Virginia.

Table Of Contents


Chapter 1. Signal and System Properties
Chapter 2. Basics of Electricity
Chapter 3. Principles of Measurement
Chapter 4. Muscle Systems of the Aerodigestive Tract
Chapter 5. Electrophysiology and Electromyography
Chapter 6. Acoustic Recordings of Speech and Other Sounds
Chapter 7. Acoustic Analysis of Speech
Chapter 8. Measurement of Perceptual Attributes and Latent Traits
Chapter 9. Visualizing or Imaging the Vocal (Aerodigetive) Tract
Chapter 10. Measuring Movement During Voice, Speech, and Swallowing
Chapter 11. Aerodynamics and Pulmonic Function
Chapter 12. Measuring Voice Disorders
Chapter 13. Measuring Swallowing Disorders
Chapter 14. Using Stimulation to Assess and Treat Voice, Speech, and Swallowing
Chapter 15. Measuring Brain Structure and Function with Neuroimaging

Appendix A. International System of Units
Appendix B. Conversions of Measurement Units
Appendix C. Standardized Reading Passages
Appendix D. Disinfection Standards for Clinical Devices


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