An evidence-based systematic review of frequency lowering in hearing aids for school-age children with hearing loss

Ryan W McCreery, Rebecca A. Venediktov, Jaumeiko J. Coleman, Hillary M. Leech

Research output: Contribution to journalReview article

18 Citations (Scopus)

Abstract

Purpose: We developed 1 clinical question for this review, which addressed the comparison of hearing aids using frequency lowering compared to conventional processing amplification for outcomes of audibility, speech recognition, speech and language, and self- or parent-report for children with hearing loss. Method: We systematically searched 26 databases for studies addressing a clinical question and meeting all inclusion criteria. We evaluated studies for methodological quality and reported or calculated effect sizes when possible. Results: The literature search resulted in the inclusion of 5 studies. We implemented several different frequency-lowering strategies across studies; 2 studies used nonlinear frequency compression, 2 used frequency transposition, and 1 used frequency compression with dynamic consonant boost. Conclusions: Whereas methodological limitations of the included studies preclude the formulation of strong conclusions, findings were generally positive across frequency-lowering strategies and outcomes. Additional high-quality research is needed in this area.

Original languageEnglish (US)
Pages (from-to)313-328
Number of pages16
JournalAmerican journal of audiology
Volume21
Issue number2
DOIs
StatePublished - Dec 28 2012

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Hearing Aids
Hearing Loss
Language
Databases
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Keywords

  • Amplification
  • Children
  • Dynamic consonant boost
  • Evidence-based systematic review
  • Frequency compression
  • Frequency lowering
  • Frequency transposition
  • Nonlinear frequency compression

ASJC Scopus subject areas

  • Speech and Hearing

Cite this

An evidence-based systematic review of frequency lowering in hearing aids for school-age children with hearing loss. / McCreery, Ryan W; Venediktov, Rebecca A.; Coleman, Jaumeiko J.; Leech, Hillary M.

In: American journal of audiology, Vol. 21, No. 2, 28.12.2012, p. 313-328.

Research output: Contribution to journalReview article

McCreery, Ryan W ; Venediktov, Rebecca A. ; Coleman, Jaumeiko J. ; Leech, Hillary M. / An evidence-based systematic review of frequency lowering in hearing aids for school-age children with hearing loss. In: American journal of audiology. 2012 ; Vol. 21, No. 2. pp. 313-328.
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