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Related Experiment Video

Updated: Jul 6, 2026

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Is there a right cochlear implant advantage?

Yael Henkin1, Riki Taitelbaum-Swead, Minka Hildesheimer

  • 1Department of Communication Disorders, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. henkin@post.tau.ac.il

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|April 11, 2008
PubMed
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Children with right cochlear implants (CIs) showed a slight advantage in speech perception. Earlier implantation and consistent device use further improved outcomes for all children, regardless of CI side.

Area of Science:

  • Audiology
  • Neuroscience
  • Pediatrics

Background:

  • Cochlear implantation (CI) is a vital intervention for prelingually deafened children.
  • Understanding factors influencing speech perception outcomes is crucial for optimizing CI use.

Purpose of the Study:

  • To compare speech perception performance in children with right versus left cochlear implants (CIs).
  • To investigate the impact of age at implantation and device usage duration on speech perception.

Main Methods:

  • Retrospective cohort study of 71 prelingually deafened children implanted before 48 months of age.
  • Analysis of speech perception using a monosyllabic open-set test, comparing right vs. left CI groups.
  • Multivariate analysis considered CI side, age at implantation, time with CI, and hand-ear dominance.

Related Experiment Videos

Last Updated: Jul 6, 2026

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

Robotic Cochlear Implantation for Direct Cochlear Access

Published on: June 16, 2022

Main Results:

  • A significant, albeit small, "right CI advantage" was observed in speech perception, independent of implantation age.
  • Children implanted younger than 24 months demonstrated superior performance compared to those implanted between 25-48 months.
  • Continuous CI use led to improved speech perception across all participants.

Conclusions:

  • This study presents the first evidence of a right CI advantage for speech perception in prelingually deafened children.
  • The findings suggest considering CI ear side in surgical candidates with similar bilateral hearing and no anatomical constraints.
  • Earlier implantation age and consistent CI use are strongly associated with greater speech perception gains.