Torri Lee, Catherine Rieke, Christopher Niemczak, Anastasiya Kobrina, Odile Clavier, Julian Gonzalez, Adrian Fuente, Karen Mojica Alvarez, Marvin Gonzalez-Quiroz, Jay Buckey, James Saunders

Assessment of Central Auditory Processing in Children Using a Novel Tablet-Based Platform: Application for Low- and Middle-Income Countries

  • Neurology (clinical)
  • Sensory Systems
  • Otorhinolaryngology
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Objective Evaluate whether a portable, tablet-based central auditory processing (CAP) test system using native language training videos and administered by minimally trained community health workers can produce CAP results comparable to previously published norms. Our secondary aim was to determine subject parameters that influence test results. Study Design Cross-sectional study. Setting Community-based settings in Chontales, Nicaragua, New Hampshire, and Florida. Patients English- and/or Spanish-speaking children and adolescents (n = 245; average age, 12.20 yr; range, 6–18 yr) Main Outcome Measures Completion of the following tests with responses comparable to published norms: Pure-tone average (PTA), gap detection threshold (GDT), fixed-level frequency threshold, masking level difference (MLD), Hearing in Noise Test (HINT), Dichotic Digits Test (DDT), and Frequency Pattern Recognition (FPR) test. Results GDT, HINT, and DDT had comparable results to previously published normative values. MLD and FPR results differed compared with previously published normative values. Most CAP tests (MLD, GDT, HINT) results were independent of age and PTA (p = 0.1–0.9). However, DDT was associated with age and PTA (p < 0.0001) Conclusions Pediatric CAP testing can be successfully completed in remote low- and middle- income country environments using a tablet-based platform without the presence of an audiologist. Performance on DDT improved with age but deteriorated with hearing loss. Further investigation is warranted to assess the variability of FPR.

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