Abstract
The purpose of this study was to determine if older adults with cochlear implants are able to take advantage of coding schemes that preserve temporal fine structure (TFS) cues. A total of 19 older adults with cochlear implants participated in a prospective, repeated measures, A to B design. Participants entered the study using TFS. The participants used strategy A (high definition continuous interleaved sampling [HDCIS]) for 3 months and strategy B (TFS) for 3 months. Endpoint testing was administered at the end of each 3-month period. Testing included consonant recognition, speech understanding in noise, temporal modulation thresholds, and self-perceived benefit. Older adults were able to use TFS successfully. Speech perception performance was improved using TFS compared with HDCIS for voicing, but not manner or place of articulation. There were no differences between the two strategies for speech understanding in noise, temporal modulation detection, or self-perceived benefit. At the end of the study, 13 out of 19 (68%) of participants chose to continue using TFS processing. Advanced age does not prevent adults with cochlear implants from using TFS coding strategies. Performance outcomes using TFS and HDCIS were similar, with the exception of voicing which was improved when using TFS. The data support the idea of using various sound processing strategies with older adults.
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Schedule a callMore From: Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
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