15th ANNUAL EARLY HEARING DETECTION & INTERVENTION MEETING
March 13-15, 2016 • San Diego, CA
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Sound Discrimination in Infants
Universal newborn hearing screening has paved the way for early identification and treatment of hearing loss. However, there is an additional factor that must be considered. At this point we are able to obtain reliable information about detection of sound in very young infants. Unfortunately, the ability to discriminate between sounds is typically not measured until a child reaches about age three. The ability to distinguish one sound from another is vitally important for development of speech and language. Information about auditory discrimination can also be used to ensure that hearing aids and cochlear implants are programmed `appropriately and may help guide aural habilitation efforts. Visual Reinforcement Infant Speech Discrimination (VRISD) is a clinical tool that is currently available for assessment of speech sound discrimination in infants and young toddlers. VRISD allows for assessment of a child’s ability to discriminate between single syllables using a method similar to Visual Reinforcement Audiometry (VRA). This is accomplished by use of an oddball paradigm, in which one repeating syllable (e.g. /a/) is occasionally replaced by a different syllable (e.g., /i/). The child is trained to turn his or her head when a change in stimulus is perceived and is rewarded with a light-up toy or video when a change is successfully detected. In infants with normal hearing, certain speech sound contrasts have been found to be consistently easier to distinguish than others. This continuum of difficulty will be analyzed and discussed. Discussion will focus on implications for intervention in infants with hearing loss. Finally, steps required for VRISD to become an efficient, reliable, and widely-used clinical protocol will be outlined.
- classify speech sounds according to difficulty of discrimination in normal hearing infants.
- define visual reinforcement infant speech discrimination (VRISD) and its clinical applicability.
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Presenters/Authors
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ASHA DISCLOSURE:
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Lauren Durkee
(Primary Presenter,Author,POC), University of Colorado, lauren.durkee@colorado.edu;
Lauren is a third year AuD student at the University of Colorado at Boulder. Her specific areas of interest are behavioral testing in infants and toddlers, electrophysiology, and cochlear implants. She is excited to enter the field of pediatric audiology.
ASHA DISCLOSURE:
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No relevant financial relationship exist.
Nonfinancial -
No relevant nonfinancial relationship exist.
Tammy Fredrickson
(Author), University of Colorado, tammy.fredrickson@colorado.edu;
Tammy has a background as a clinical pediatric audiologist. She is currently the director of audiology clinical education at the University of Colorado at Boulder.
ASHA DISCLOSURE:
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Kristin Uhler
(Author), Marion Downs Hearing Center, Kristin.uhler@ucdenver.edu;
Kristin Uhler, PhD is a clinical and research audiologist at the Marion Downs Hearing Center at the University of Colorado. She is a LEND audiology faculty member.
ASHA DISCLOSURE:
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Phillip Gilley
(Author), Marion Downs Hearing Center, phillip.gilley@colorado.edu;
Dr Gilley received a BS in Deaf Education from the University of Texas at Austin in 1999, a MS in Audiology from the University of Texas at Dallas in 2002, and a PhD in Behavioral and Brain Sciences from UT Dallas in 2006. Dr Gilley later conducted research and taught as an Assistant Professor at the University of Colorado, Boulder from 2007-2015. Dr Gilley's research is aimed at understanding how the brain develops and maintains connections necessary for human communication. This research includes the use of functional brain imaging methods as well as psychoacoustic and other behavioral methods to study both typical and disordered development. Dr Gilley has authored and co-authored more than 25 research publications, has given more than 100 professional research presentations, and has mentored more than 20 graduate student projects.
ASHA DISCLOSURE:
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Christine Yoshinaga-Itano
(Author), University of Colorado-Boulder, Christie.Yoshi@colorado.edu;
Dr. Christine Yoshinaga-Itano is a Research Professor in the Department of Speech, Language and Hearing Sciences, faculty of the Institute of Cognitive Science, Center for Neurosciences at the University of Colorado, Boulder, Department of Otolaryngology and Audiology at the University of Colorado, Denver and the Marion Downs Center. In 1996 she developed the Marion Downs National Center. Since 1996, Dr. Yoshinaga-Itano has assisted many state departments of education and public health agencies, schools for the deaf and blind, and early intervention programs throughout the United States and its territories. In addition, she has served as a consultant for many countries currently developing their early hearing detection and intervention programs, including the United Kingdom, Canada, Australia, New Zealand, Japan, China, Korea, Belgium, Poland, Spain, Austria, Denmark, Sweden, Norway, Netherlands, Mexico, Chile, Argentina, Brazil, Thailand, Philippines, and South Africa.
ASHA DISCLOSURE:
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Receives Salary,Grants for Other activities from Disability Research Dissemination Center.
Receives Salary,Other financial benefit for Other activities from LEND Grant.
Receives Salary for Employment,Other activities from University of Colorado, Boulder.
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Has a Professional (American Academy of Audiology representative on the Joint Committee on Infant Hearing)
relationship for Board membership.