Other Aging Associated Auditory Functional Changes

Middle-ear resonant frequencies were measured in ~500 adults 48 to 90 years of age, and no significant age-group trends were found; older women, however, had a slight but significantly greater middle-ear resonant frequency than older men (136). According to Oeken et al. (137), a major and significant decrease in DPOAE amplitude occurs with aging, caused by a deterioration in pure-tone threshold. It is suggested that delineation of the effects of presbycusis on DPOAE is important if they are to be used in the diagnosis of inner-ear disorders.

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