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Related Concept Videos

Hearing01:31

Hearing

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Hearing performance in single-sided deaf cochlear implant users after upgrade to a single-unit speech processor.

Griet Mertens1, Anouk Hofkens, Andrea Kleine Punte

  • 1*University Department Otorhinolaryngology, Head and Neck Surgery, Antwerp University Hospital, Edegem; and †Faculty of Medicine, Antwerp University, Antwerp, Belgium.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|November 20, 2014
PubMed
Summary

Single-sided deafness (SSD) patients can switch to a single-unit speech processor (RONDO) from a behind-the-ear (BTE) device without losing hearing performance or sound localization. Most users preferred the new RONDO processor.

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Area of Science:

  • Audiology
  • Otorhinolaryngology
  • Biomedical Engineering

Background:

  • Single-sided deafness (SSD) patients experience significant benefits from cochlear implantation (CI), including improved speech perception and tinnitus reduction.
  • The development of single-unit speech processors like the RONDO offers an alternative to traditional behind-the-ear (BTE) devices, differing primarily in microphone placement.
  • Evaluating the performance of these newer processors is crucial for optimizing patient outcomes in SSD management.

Purpose of the Study:

  • To compare hearing performances between single-unit (RONDO) and behind-the-ear (BTE) speech processors in patients with single-sided deafness (SSD).
  • To assess subjective and objective outcomes, with a specific focus on spatial hearing capabilities.
  • To determine the impact of microphone position on the single-unit processor's performance.

Main Methods:

  • Ten adult patients with unilateral sensorineural deafness and tinnitus underwent testing with their existing BTE processor and subsequently with a single-unit processor after a 28-day adaptation period.
  • Evaluations included aided free-field audiometry, speech reception in noise, sound localization tests, and subjective questionnaires (HISQUI-NL, SSQ5, SHQ, VAS).
  • The effect of microphone position on the single-unit processor was also assessed.

Main Results:

  • No significant differences were observed in hearing outcomes, including aided hearing thresholds, speech reception in noise, and sound localization, between the single-unit and BTE processors.
  • Subjective measures (HISQUI, SHQ, SSQ5) also showed comparable results between the two processor types.
  • The microphone position on the single-unit processor did not significantly affect any of the measured outcomes.

Conclusions:

  • Single-sided deafness (SSD) patients using behind-the-ear (BTE) processors can transition to a single-unit speech processor without compromising hearing performance, sound localization, or tinnitus reduction.
  • The microphone placement on the single-unit processor does not appear to influence key performance metrics.
  • A majority of users (80%) expressed a preference for the single-unit processor after a brief period of use, indicating improved subjective experience and usability.