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dertmer@purdue.edu
(765)496-2249
Speech-Language Pathology
B.S., 1973, Marquette University
M.S., 1976, The University of Wisconsin-Milwaukee
Ph.D., 1994 Purdue University
David Ertmer joined the department of Speech, Language, and Hearing Sciences at Purdue University in the fall of
1995. He has clinical experience as a speech-language
pathologist in the public schools in Wisconsin and Colorado
and as a clinical supervisor at Purdue University. He
was awarded a Certificate of Clinical Competence by
the American Speech-Language and Hearing Association
in 1978. After receiving his doctorate in Speech Sciences
in 1994, he served as a Visiting Assistant Scientist
at the Indiana University School of Medicine; participating
in studies of speech perception, speech production,
and language skills of deaf children who received cochlear
implants. His research interests focus on speech and
language development in children who have received cochlear
implants at a very young age. He also has interests
in normal and disordered phonology and clinical methods
in speech-language pathology. Dr. Ertmer regularly
teaches courses in aural rehabilitation, and clinical
practices in communication disorders.
In 2001, Dr. Ertmer developed a website to provide
information about vocal development for students, clinicians,
and parents. Typically developing infants produce increasingly
complex and speech-like sounds before they say true
words. These non-meaningful sounds can serve as an
index of early speech learning if professionals and
parents are aware of three basic levels of development.
The website contains definitions and audio examples
of precanonical, canonical, and postcanonical level
vocalizations and opportunities to complete a self-check
of listening and classification skills. Webpages also
contain results from Dr. Ertmer’s research into early
vocal development following cochlear implantation, intervention
strategies to stimulate vocal development and spoken
language in very young children, video examples of parents
using language stimulation techniques with children
who have cochlear implants, and references related to
early speech and language development. The address
for the website is:
www.vocaldevelopment.com
Vita
RECENT PUBLICATIONS
Books
Ertmer, D. J. (2005). The Source for Children with Cochlear Implants . East Moline, IL: LinguiSystems, Inc.
Journal Articles
Ertmer, D. J. , Young, N. M., & Nathani, S., (2007) . Profiles in vocal development in young cochlear implant recipients. Journal of Speech, Language, and Hearing Research, 50 , 393-407.
Nathani S., Ertmer, D. J., & Stark, R. E. (2006) . Assessing vocal development in infants and toddlers. Clinical Linguistics and Phonetics, 20, 351-369.
Ertmer, D. J. (2004) . How well can children recognize speech patterns in spectrograms? Comparisons by age and hearing status. Journal of Speech, Language, and Hearing Research 47, 484-495.
Ertmer, D.J., Strong, L., & Sadagopan, N. (2003) . Beginning to communicate after cochlear implantation: Oral language development in a young child. Journal of Speech, Language, and Hearing Research, 46, 328-340.
Goffman, L., Ertmer, D. J., & Erdle, C. (2003) . Changes in speech production in a child with a cochlear implant: Acoustic and kinematic evidence. Journal of Speech, Language, and Hearing Research, 45 , 891-901. [
Ertmer, D. J. , Young, N., Grohne, K., Mellon, J., Johnson, C., Corbett, K., & Saindon, K. (2002) . Vocal development in young children with cochlear implants: Assessment and implications for intervention. Language, Speech, and Hearing Services in the Schools, 33, 185-196.
Wilkins, M., & Ertmer, D. J. (2002) . Introducing young children who are deaf or hard of hearing to spoken language: Child'sVoice, an oral school. Language, Speech, and Hearing Services in the Schools, 33 , 197-205.
Ertmer, D. J. , Leonard, J. S., & Pachuilo, M. P. (2002) . Communication intervention for children with cochlear implants: Two case studies. Language, Speech, and Hearing Services in the Schools, 33, 206-218.
Ertmer, D. J. (2001) . Emergence of a vowel system in a young cochlear implant recipient. Journal of Speech, Language, and Hearing Research, 44 , 803-813.
Ertmer, D. J. , & Mellon, J. A. (2001) . Beginning to talk at 20 months: Early vocal development in a young cochlear implant recipient. Journal of Speech, Language, and Hearing Research, 44 , 192-206.
Ertmer, D. J. , & Maki, J. E. (2000) . A comparison of speech training methods for deaf adolescents: Spectrographic vs. non-instrumental instruction. Journal of Speech, Language, and Hearing Research, 43 , 1509-1523
Ertmer, D. J., & Ertmer , P. A. (1998) . Constructivist strategies in phonological intervention: Facilitating self-regulation for carryover. Language, Speech, and Hearing Services in the Schools, 29 , 67-75.
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