Purpose: This study investigated methods used to simulate factors associated with reduced audibility, increased speech levels, and spectral shaping for aided older adults with hearing loss. Simulations provided to younger normal-hearing adults were used to investigate the effect of sensation level, speech presentation level, and spectral shape in…

Purpose: Human auditory nerve (AN) activity estimated from the amplitude of the first prominent negative peak (N1) of the compound action potential (CAP) is typically quantified using either a peak-to-peak measurement or a baseline-corrected measurement. However, the reliability of these 2 common measurement techniques has not been evaluated but…

This experiment sought to define a confidence limit for maximum word-recognition scores obtained from 212 young and elderly adults with confirmed cochlear hearing loss. A 95% confidence limit was found and supported through analysis, although it is suggested that, in some cases, word recognition should be measured at additional levels to obtain…