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Speech perception in children using the advanced Speak speech-processing strategy

R S Cowan1, C Brown, L A Whitford

  • 1Cooperative Research Centre for Cochlear Implant, Speech and Hearing Research, Melbourne, Australia.

The Annals of Otology, Rhinology & Laryngology. Supplement
|September 1, 1995
PubMed
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Children using the advanced Speak speech-processing strategy showed improved speech perception compared to the Multipeak (Mpeak) strategy. Most children adapted well, achieving better results with Speak after initial adjustments.

Area of Science:

  • Audiology
  • Speech-Language Pathology
  • Biomedical Engineering

Background:

  • Cochlear implant speech-processing strategies aim to improve auditory perception.
  • The Speak strategy is an advanced system designed for enhanced speech understanding.
  • Previous studies demonstrated Speak's efficacy in adults, but its benefit for children was less understood.

Purpose of the Study:

  • To evaluate the adaptation and benefits of the Speak speech-processing strategy in children with cochlear implants.
  • To compare speech perception outcomes in children using the Speak strategy versus the Multipeak (Mpeak) strategy.

Main Methods:

  • Twelve children with prior experience using the Mpeak strategy were assessed over 8 months.
  • Speech perception was evaluated using open-set word and sentence tests in quiet and noisy conditions.

Related Experiment Videos

  • Assessments were conducted at 3-week intervals using live-voice and recorded speech materials.

    • Main Results:

    • Most children demonstrated significant speech perception advantages with the Speak strategy compared to Mpeak.
    • An initial, temporary decrease in scores was observed in 8 children upon switching to Speak.
    • After 24 weeks, 11 children showed improved scores with Speak, surpassing their Mpeak performance.

    Conclusions:

    • The Speak speech-processing strategy offers significant benefits for speech perception in children with cochlear implants.
    • Children can adapt to the Speak strategy, with most achieving superior outcomes compared to the Mpeak strategy.
    • The Speak strategy represents a valuable advancement for pediatric cochlear implant users.