There is a significant increase in the rate of hearing loss in patients during the 10th decade of life compared with the 9th decade that represents a fundamental change in the mechanistic process of presbycusis. Despite the potential benefit of hearing aids, they remain underused in the older old. Use may be improved by changing the method of hearing rehabilitation counseling from a patient-initiated model to a chronic disease example.
In this study of the older old, cardiovascular risk factors and disease were associated with worse hearing and a greater rate of hearing deterioration. Hearing loss in women was less associated with the presence of CVD, possibly owing to the cardioprotective effects of estrogen. The association of hearing with CVD severity and management remains to be determined.
Objectives: Cochlear implant (CI) listeners experience diminished music perception and enjoyment from a variety of patient-related and implant-related factors. We investigate the hypothesis that patient-directed music re-engineering may enhance music enjoyment with CI. Study Design: Prospective cohort study. Setting: Academic cochlear implant center. Subjects and Methods: A multidisciplinary team of neurotologists, audiologists, and a sound/audio engineer collaborated with a web developer to create a music re-engineering application. Experienced adult CI listeners rated original excerpts from five major genres of music on enjoyment using a visual analog scale (VAS). Subjects were then allowed to re-engineer the original by adjusting treble frequencies, bass frequencies, percussion emphasis, and reverberation and again rated on enjoyment. Results: Total of 46 subjects, with a mean age of 57.6 years (SD ¼ 16; range, 18-90) participated in the study. Usermixed audio was rated higher across all measures of enjoyment than original recordings (mean difference þ0.92; p < 0.05, CI [0.22, 1.62]), an effect that was seen across all genres except for country music. Subjects preferred louder bass frequencies (mean difference þ7.1 dB; p < 0.01, CI [2.15, 24.3]) and more reverberation (mean difference þ6.6 ms; p < 0.01, CI [2.85, 10.7]). Re-engineered music increased enjoyment in 57%, and 79% reported an interest in being able to mix music of their own choosing. Conclusion: User-directed music re-engineering increases music enjoyment for CI listeners. The cochlear implantee preferred heightened bass, reverberation, and treble across musical genres. These findings support the implementation of patient-directed music re-engineering to enhance music enjoyment with technology that is readily available today.
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