Emily Tobey: Cochlear Implant Outcome - A Large Scale US Study

Twilight Lecture Series held by @EarFoundation in Nottingham on 8th June 2011. Speaker: Emily Tobey: Looking to the Future - Cochlear Implant Outcome: A Large Scale US Study Factors Influencing Speech Intelligibility in Adolescent Users of Cochlear Implants Read More
CURE disease deaf cochlear hearing RESEARCH implants deafness
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Vicki Kirwin @KidsAudiologist
Listening to Dr. Emily A. Tobey talking about research into speech production in children with cochlear implants #EFJune2011
Vicki Kirwin @KidsAudiologist
Longitudinal research with USA & Canadian children aimed to… #EFJune2011
Vicki Kirwin @KidsAudiologist
…document changes in speech production performance between elementary grades and high school… #EFJune2011
Vicki Kirwin @KidsAudiologist
… and identify ear predictors of speech production performance in high school #EFJune2011
Vicki Kirwin @KidsAudiologist
112 (of initial 181) children were followed through to age 15-18yrs #EFJune2011
Vicki Kirwin @KidsAudiologist
Parents report 92 oral and 89 total communication during primary school at beginning #EFJune2011
Vicki Kirwin @KidsAudiologist
Children report themselves 54 oral and 58 total communication during high school at end #EFJune2011
Vicki Kirwin @KidsAudiologist
Majority in mainstream - 63% in primary & 76% in high school #EFJune2011
Vicki Kirwin @KidsAudiologist
Speech discrimination tested in quiet in primary, and in quiet + in noise in high school #EFJune2011
Vicki Kirwin @KidsAudiologist
Conclusions: Speech perception improved with longer CI use in auditory, visual and auditory-visual modes…#EFJune2011
Vicki Kirwin @KidsAudiologist
…Speech perception scores reflect speech and language skills in addition to sensory capability…#EFJune2011
Vicki Kirwin @KidsAudiologist
…Listening in noise and at softer levels remains a significant challenge for the majority of adolescents. #EFJune2011
Vicki Kirwin @KidsAudiologist
Speech intelligibility performance at ages 8 is very variable but with some very high performers #EFJune2011
Vicki Kirwin @KidsAudiologist
Speech intelligibility performance improved greatly for majority between primary and high school #EFJune2011
Vicki Kirwin @KidsAudiologist
Performance changes dramatically when listening to speaker in multi-speaker babble - reduction in intelligibility by about 20% #EFJune2011
Vicki Kirwin @KidsAudiologist
Differences in agreement and therefore variability in scoring between listening? #EFJune2011
Vicki Kirwin @KidsAudiologist
eg all agree on clear speakers, all agree on poor speakers, but in-between less agreement on who is understandable. #EFJune2011
Vicki Kirwin @KidsAudiologist
Much more variability and disagreement in noise #EFJune2011
Vicki Kirwin @KidsAudiologist
So we need to concentrate not just on speech intelligibility in quiet conditions ... #EFJune2011
Vicki Kirwin @KidsAudiologist
...but also in helping our CI users to be better understood in bkgd noise #EFJune2011
Vicki Kirwin @KidsAudiologist
Looked at what children did to make themselves understood when talking in bkgd noise #EFJune2011
Vicki Kirwin @KidsAudiologist
... gender, performance IQ, family SES, family size, duration of deafness, sign enhancement, verbal rehearsal speed #EFJune2011
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