Person: YÜKSEL, MUSTAFA
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YÜKSEL
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MUSTAFA
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Publication Open Access Musical mistuning perception and appraisal in cochlear implant recipients(2023-06-01) YÜKSEL, MUSTAFA; ÇİPRUT, AYŞE AYÇA; Kösemihal E., Yüksel M., CESUR S., Çiprut A.Objective Music is a very crucial art form that can evoke emotions, and the harmonious presence of the human voice in music is an impactful part of this process. As a result, vocals have had some significant effects on contemporary music. The mechanism behind the cochlear implant (CI) recipients perceiving different aspects of music is clear; however, how well they perceive vocal tuning within music it is not well known. Hence, this study evaluated the mistuning perception of CI recipients and compared their performance with normal-hearing (NH) listeners. Study Design, Setting, and Patients A total of 16 CI users (7 cisgender men, 9 cisgender women) and 16 sex-matched NH controls with an average age of 30.2 (±10.9; range, 19-53) years and 23.5 (±6.1; range, 20-37) years, respectively, were enrolled in this study. We evaluated the mistuning ability using the mistuning perception test (MPT) and assessed self-perceived music perception and engagement using the music-related quality-of-life questionnaire. Test performance was measured and reported on the item-response theory metric with a z score ranging from -4 to +4. Results A significant difference in the MPT scores was found between NH and CI recipients, whereas a significant correlation was noted between the music-related quality-of-life questionnaire-frequency subscale and MPT scores. No significant correlations were found between age, CI age, and CI usage duration and MPT performance. Conclusions This study revealed that musical mistuning perception is a limitation for CI recipients, similar to previously evaluated aspects of music perception. Hence, it is important to consider this aspect in the assessment of music perception, enjoyment, and music-based auditory interventions in CI recipients, as vocals are paramount in music perception and recreation. The MPT is a convenient and accessible tool for mistuning assessment in CI and hearing-aid users.Publication Open Access Emotions and psychological mechanisms of listening to music in cochlear implant recipients(2023-11-01) YÜKSEL, MUSTAFA; SARLIK, ESRA; ÇİPRUT, AYŞE AYÇA; Yüksel M., Sarlik E., Çiprut A.OBJECTIVES: Music is a multidimensional phenomenon and is classified by its arousal properties, emotional quality, and structural characteristics. Although structural features of music (i.e., pitch, timbre, and tempo) and music emotion recognition in cochlear implant (CI) recipients are popular research topics, music-evoked emotions, and related psychological mechanisms that reflect both the individual and social context of music are largely ignored. Understanding the music-evoked emotions (the \"what\") and related mechanisms (the \"why\") can help professionals and CI recipients better comprehend the impact of music on CI recipients\" daily lives. Therefore, the purpose of this study is to evaluate these aspects in CI recipients and compare their findings to those of normal hearing (NH) controls. DESIGN: This study included 50 CI recipients with diverse auditory experiences who were prelingually deafened (deafened at or before 6 years of age)-early implanted (N = 21), prelingually deafened-late implanted (implanted at or after 12 years of age-N = 13), and postlingually deafened (N = 16) as well as 50 age-matched NH controls. All participants completed the same survey, which included 28 emotions and 10 mechanisms (Brainstem reflex, Rhythmic entrainment, Evaluative Conditioning, Contagion, Visual imagery, Episodic memory, Musical expectancy, Aesthetic judgment, Cognitive appraisal, and Lyrics). Data were presented in detail for CI groups and compared between CI groups and between CI and NH groups. RESULTS: The principal component analysis showed five emotion factors that are explained by 63.4% of the total variance, including anxiety and anger, happiness and pride, sadness and pain, sympathy and tenderness, and serenity and satisfaction in the CI group. Positive emotions such as happiness, tranquility, love, joy, and trust ranked as most often experienced in all groups, whereas negative and complex emotions such as guilt, fear, anger, and anxiety ranked lowest. The CI group ranked lyrics and rhythmic entrainment highest in the emotion mechanism, and there was a statistically significant group difference in the episodic memory mechanism, in which the prelingually deafened, early implanted group scored the lowest. CONCLUSION: Our findings indicate that music can evoke similar emotions in CI recipients with diverse auditory experiences as it does in NH individuals. However, prelingually deafened and early implanted individuals lack autobiographical memories associated with music, which affects the feelings evoked by music. In addition, the preference for rhythmic entrainment and lyrics as mechanisms of music-elicited emotions suggests that rehabilitation programs should pay particular attention to these cues.Publication Open Access ‘Short Bars Crossed’ to Remodel the Entire Chest Wall in Children and Adolescents with Pectus Excavatum(2024-01-01) ERMERAK, NEZİH ONUR; YÜKSEL, MUSTAFA; Weinhandl A. C., ERMERAK N. O., YÜKSEL M., Rebhandl W.Background: The cross-bar technique of minimally invasive pectus excavatum (PE) correction remains underreported, which is especially true of pediatric patients. We therefore reviewed the experience of a Turkish and an Austrian center. An additional novelty characterizing both pediatric cohorts was the use of short bars. Methods: In a retrospective study, pediatric PE corrections involving ‘short bars crossed’ were analyzed for complications and intra-/postoperative outcomes. Cases with two or three bars were included, given that a horizontal third bar was placed whenever considered useful for upper-chest elevation. All bars were fitted with a single stabilizer near the surgical entry point. In the Austrian center, intercostal nerve cryoablation was used for pain management. Descriptive statistics are presented. Results: Seventy-eight patients ≤18 years old were evaluable at the Turkish (n = 56) and Austrian (n = 22) centers. Total median values were 16.2 (IQR: 15.1–17.4) years for age and 4.60 (IQR: 3.50–6.11) for Haller index. Ten mild or moderate complications (12.8%) were observed, including just one revision requirement due to bar migration (1.28%). Intercostal nerve cryoablation (n = 13) was associated with longer surgical procedures at 150 (IQR: 137–171) versus 80 (IQR: 60–100) minutes but with shorter hospital stays, given an IQR of 3–4 days versus 4–5 days. Conclusion: ‘Short bars crossed’—with a single stabilizer in a ventral position close to the surgical entry point—ensure a wide distribution of forces, protect against bar migration, are safe and effective, and offer stability at an age characterized by growth and physical activity. Level of Evidence: IV.