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KMID : 1039520240280020119
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Journal of Audiology & Otology
2024 Volume.28 No. 2 p.119 ~ p.125
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Comparison of Speech Perception Performance According to Prosody Change Between People With Normal Hearing and Cochlear Implant Users
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Kim Eun-Yeon
Seol Hye-Yoon
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Abstract
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Background and Objectives: Cochlear implants (CIs) are well known to improve audibility and speech recognition in individuals with hearing loss, but some individuals still struggle with many aspects in communication, such as prosody. This study explores how prosodic elements are perceived by those with normal hearing (NH) and CIs.
Subjects and Methods: Thirteen individuals with NH and thirteen CI users participated in this study and completed speech perception, speech prosody perception, speech prosody production, pitch difference discrimination, and melodic contour perception testing.
Results: NH listeners performed significantly better than CI users on speech perception, speech prosody perception (except for words with neutral meaning and a negative prosody change and when words were repeated twice), pitch difference discrimination, and melodic contour perception testing. No statistical significance was observed for speech prosody production for both groups.
Conclusions: Compared to NH listeners, CI users had limited ability to recognize prosodic elements. The study findings highlight the necessity of an assessment tool and signal processing algorithm for CIs, specifically targeting prosodic elements in clinical settings.
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KEYWORD
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Audiology, Cochlear implantation, Speech perception, Communication, Hearing loss
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