Plural Publishing produces leading academic, scientific and clinical publications in the fields of speech-language pathology, audiology, and otolaryngology.

Publication

Otoacoustic Emissions
Principles, Procedures, and Protocols

Sumitrajit Dhar, James W. Hall III
Details:
256 pages, Illustrated (B/W), Softcover, 8.5 x 11"
ISBN13:
978-1-59756-342-0
Release Date:
05/25/2011
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$69.95

Overview

Otoacoustic emissions now play an important role in hearing screening and the clinical assessment of children and adults. However, a new wave of evidence is challenging our fundamental understanding regarding OAE sources and mechanisms. Similarly, just as we have settled on methods and protocols for clinical uses of otoacoustic emissions, ongoing research suggests new opportunities for evidence-based clinical applications. In Otoacoustic Emissions: Principles, Procedures, and Protocols, Drs. Dhar and Hall have collected the latest information on OAEs – from basic research to clinical applications. The book is concise, but comprehensive, and covers the essentials of the subject from innovative and up-to-date perspectives. The material covered in the book is appropriate for intermediate and advanced students, and ideal for practitioners. With a consistent focus on practical information needed by the clinical audiologist, and a eye to future developments, authors Dhar and Hall systematically raise and answer questions necessary for a thorough understanding of OAEs, and an appreciation of their clinical value.

Review

  • David Kemp, PhD, FRS, Emeritus Professor of Auditory Biophysics, Centre for Auditory Research, The UCL Ear Institute, London, ENT & Audioloy News (July/August 2013):
    "This book offers students and practicing audiologists a comprehensive introduction to the fascinating subject of otoacoustic emissions (OAEs) and their applications. Most other books on OAE (and there are very few) tend to load their text with highly technical research material that can deter the entry level reader, not that this book avoids the essential technicalities, but it gets the level and balance about right...The text is an easy read...liberally illustrated with explanatory diagrams, graphs and large screen prints from actual OAE instruments, all in monochrome...Hall is a hugely experienced and productive educator in the auditory field and Dhar is a real enthusiast for otoacoustic emissions, actively engages in a wide range of clinical and cutting-edge research on the topic. The combination has created the first authoritative entry level text on OAEs which will meet the needs of clinicians, students and instructors. I would give this book a score of 4.5 out of 5."

  • Preface
  • Overview of Otoacoustic Emissions
  • Anatomy, Physiology, Mechanisms, and Theory
    • Outer hair cells are the locus of generation.
    • But where is the nonlinearity, hair bundle or somatic motility?
  • How do emissions return to the ear canal?
    • If there are reflection emissions, what is the reflector?
  • Taxonomy for OAEs: Conventional and Alternative Theories
    • Stimulus based taxonomy
    • Place and wave fixed emissions
    • Nonlinear and reflection emissions
  • Instrumentation and Calibration
    • Current standards (IEC)
    • Calibration at the entrance of the ear canal: advantages and disadvantages
    • How does calibration at the entrance of the canal influence interpretation of results?
    • Alternate strategy for calibrating OAE stimuli
  • Clinical Measurement of OAEs: Procedures and Protocols
  • OAE Analysis (including non-pathologic factors and trouble shooting)
  • Applications of OAEs in Children
  • Applications of OAEs in Adults
  • Suppression of OAEs as a Clinical Tool.
  • New directions in Research and Clinical Application?
  • References
  • Glossary
  • Appendices
    • A. Basic science of OAEs
    • B. Normative data
    • C. Recipe for testing system distortion

About The Authors

Sumitrajit Dhar

Sumitrajit (Sumit) Dhar has studied Audiology and Hearing Science at the Mumbai University (India), Utah State University, and Purdue University. At Purdue, Sumit completed his PhD in 2001 under the tutelage of Professors Glenis Long and Arnold Tubis. Between 1992 and 2000, Sumit has held several clinical positions as audiologist, audiology-supervisor, and clinic manager. His first academic appointment was at Indiana University, Bloomington. Today, Sumit is Associate Professor at the Roxelyn and Richard Pepper Department of Communication Sciences and Disorders at Northwestern University, where he teaches courses in audiology and applied hearing science and is actively involved in the operation of the AuD program. Research in his lab is primarily focused on the theory and practice of otoacoustic emissions as they relate to cochlear mechanics and auditory behavior. His research is currently funded by the National Institutes of Health and the Hugh Knowles Foundation at Northwestern University. He has also received funding from the Deafness Research Foundation in the recent past.


James W. Hall III

Dr. James W. Hall III is Clinical Professor in the Department of Communicative Disorders at the University of Florida in Gainesville, where he maintains a clinical practice and is an instructor in the Doctor of Audiology on-site and distance learning programs.

Dr. Hall’s main research interests are auditory neurophysiology, auditory processing disorders, early identification of hearing loss in infants, and tinnitus/hyperacusis. Dr. Hall lectures internationally on these topics. He is the author of numerous journal articles, monographs, or book chapters, as well as the Handbook of Auditory Evoked Responses and Audiologists’ Desk Reference Volumes I and II, the Handbook of Otoacoustic Emissions and the New Handbook of Auditory Evoked Responses.

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