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ÇİPRUT, AYŞE AYÇA

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AYŞE AYÇA

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20202
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Author: YÜKSEL, MUSTAFA × Subject: CHILDREN ×

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    Music and psychoacoustic perception abilities in cochlear implant users with auditory neuropathy spectrum disorder
    (ELSEVIER IRELAND LTD, 2020) ÇİPRUT, AYŞE AYÇA; Yuksel, Mustafa; Ciprut, Ayca
    Objective: Auditory neuropathy spectrum disorder (ANSD) is a condition wherein the pre-neural or cochlear outer hair cell activity is intact, but the neural activity in the auditory nerve is disrupted. Cochlear implant (CI) can be beneficial for subjects with ANSD; however, lithe is known about the music perception and psychoacoustic abilities of CI users with ANSD. Music perception in CI users is a multidimensional and complex ability requiring the contribution of both auditory and nonauditory abilities. Even though auditory abilities lay the foundation, the contribution of patient-related variables such as ANSD may affect the music perception. This study aimed to evaluate the psychoacoustic and music perception abilities of CI recipients with ANSD. Study design: Twelve CI users with ANSD and twelve age- and gendermatched CI users with sensorineural hearing loss (SNHL) were evaluated. Music perception abilities were measured using the Turkish version of the Clinical Assessment of Music Perception (T-CAMP) test. Psychoacoustic abilities were measured using the spectral ripple discrimination (SRD) and temporal modulation transfer function (TMTF) tests. In addition, the age of diagnosis and implantation was recorded. Results: Pitch direction discrimination (PDD), timbre recognition, SRD, and TMTF performance of CI users with ANSD were concordant with those reported in previous studies, and differences between ANSD and SNHL groups were not statistically significant. However, the ANSD group performed poorly compared with SNHL group in melody recognition subtest of T-CAMP, and the difference was statistically significant. Conclusion: CI can prove beneficial for patients with ANSD with respect to their music and psychoacoustic abilities, similar to patients with SNHL, except for melody recognition. Recognition of melodies requires both auditory and non-auditory abilities, and ANSD may have an extensive but subtle effect in the life of CI users.
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    Data logging variables and speech perception in prelingually deafened pediatric cochlear implant users
    (ELSEVIER IRELAND LTD, 2020) ÇİPRUT, AYŞE AYÇA; Cesur, Sidika; Yuksel, Mustafa; Ciprut, Ayca
    Objectives: To investigate the relationship among objectively gathered data logging measurements, patient-related variables, and speech recognition performance of pediatric CI users. Methods and materials: Thirty-two prelingually implanted children who have the ability to perform word discrimination test were included in this study. To reveal the relationship between speech perception abilities and auditory exposure, seven data logging variables were analyzed: on-air, off-air, coil-off, speech, speech in noise, music and noise. In addition, implantation age (months) and CI usage duration (months) were taken into account. Finally, it was investigated the differences between unilateral, sequential bilateral, and simultaneous bilateral CI users in terms of all study variables. Results: The average on-air time ranged between 10.52 and 12.30 in the groups. In the case of sequential implantation, smaller on-air and higher coil off values were observed with the second CI. In the case of simultaneous bilateral implantation, data logging measurements were almost the same in both implants. WRS was significantly correlated (p < 0.05) with on-air time (r = 0.62), coil-off count (r = - 0.48), chronological age (r = -0.48), and CI duration (r = 0.44). Multiple linear regression model was fit to predict the WRS, with on-air time, CI duration, and chronological age as predictors. Conclusions: The critical importance of early intervention and long-term use of CI is well-established in the literature and is also corroborated by our findings. However, the key findings of the present study are that consistent CI use and the quality of daily listening environment also exerted a major and positive effect on the speech recognition performance of pediatric CI users. Therefore, during the monitoring of pediatric CI recipients, it is important to know the device usage data in order to detect problems in the early stages after CI.