TR-Dizin İndeksli Açık & Kapalı Erişimli Yayınlar

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Author: search.filters.author.Cakmak, Eda

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    Investigation of cochlear microphonics recorded with different stimulus types
    (2022) Guneser, Ozgecan; Yigit, Ayse Arzu; Alniacik, Asuman; Yanarates, Kursat; Cakmak, Eda; 0000-0001-5837-6877; 36326414; C-2636-2017
    Background/aim: Electrocochleography (ECochG), one of the first defined tests under auditory evoked potentials, is a total electrical response of inner and outer hair cells inside the cochlea and auditory nerve record technique to the presence of an acoustic stimulus. These records can be used in Meniere disease and auditory neuropathy spectrum disorder diagnosis, intraoperative monitoring. In addition, the presence of cochlear microphonics plays a crucial role in auditory neuropathy spectrum disorder diagnosis. In our study, healthy individuals were tested with extratimpanic electrocochleography record method via Click and LS CE-Chirp stimulus, and the results were compared to the age, sex, and noise sensitivity categories. Materials and methods: This study had executed at Baskent University, Faculty of Health Sciences Audiology laboratory. The study group consisted of 42 volunteers between 18 and 40 years old. To understand the suitability of volunteers, pure tone audiometry, tympanometry, and transient otoacoustic emission tests were performed. Individuals with no hearing loss were tested with 100 dBnHL intensity level via click and LS CE-Chirp stimulus. The obtained values were statistically evaluated in the SPSS 23.0 program in accordance with the data distribution. An independent sample t-test was used for data showing normal distribution, and Mann-Whitney U test was used for data not showing normal distribution. The level (p < 0.05) was considered statistically significant for all analyses performed. Results: Cochlear microphonic amplitudes recorded with click and LS CE-Chirp stimuli were higher in males than in females (p = 0.051 and p = 0.001, respectively). When the age groups were evaluated, no difference was observed in the CM amplitudes obtained with both click and LS CE-Chirp stimuli. There was no correlation between age and CM amplitudes. Additionally, it was determined that the CM amplitudes recorded with the click stimulus in individuals with noise sensitivity were higher than those without noise sensitivity (p = 0.051). Conclusion: It is thought that the ECochG amplitudes of different gender, different age, and different noise sensitivity, which are the results of our study, can be used in the diagnosis of diseases such as auditory neuropathy spectrum disorder.
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    Validity and Reliability Testing Study of the Turkish Version of the Misophonia Scale
    (2022) Sakarya, Merve Deniz; Cakmak, Eda
    Misophonia is a disorder where individuals experience decreased tolerance to certain sounds that trigger intense emotional or physiological responses in them. People with misophonia can feel disgust, anger, anxiety, and they may experience anger outbursts when exposed to certain sounds that are insignificant to other people, such as chewing, lip-smacking, and breathing. There is no consensus on the prevalence, assessment, and management of misophonia. A major barrier to the research on misophonia is the lack of robust psychometric assessment tools. This study aims to meet the need for a measurement tool for clinical and population-based evaluations intended for misophonia by adapting the Misophonia Questionnaire (Wu et al., 2014) to Turkish. The research was carried out on 638 undergraduate students at Baskent University, from 18 to 26 years of age. Exploratory factor analysis was conducted on 420 participants (73% female, 27% male) and confirmatory factor analysis was conducted on 218 participants (62% female, 38% male). The statistical reliability was evaluated using the internal consistency coefficient, split half, and test-retest methods. In the Misophonia Questionnaire, misophonia was explained by the following three subscale factors: misophonia symptoms, misophonia emotions and behaviors-avoidance and internalization, and misophonia emotions and behaviors-aggression and externalization. These were used in the exploratory factor analysis. The confirmatory factor analysis found that the fit indexes were within acceptable limits. With the discriminant validity, the participants with clinical misophonia were observed to have a higher mean in all factors than those without. The internal consistency coefficient of the scale was calculated at .89, and for the three subscale factors mentioned earlier were .79, .85, and .83, respectively. The calculated test-retest reliability coefficient was .78, which applied to 75 participants. The split-half reliability coefficient was .83 (for each subscale factor, was .86, .87, and .81, respectively). With this study, the Misophonia Questionnaire, which can be used to evaluate misophonia in the general population, was adapted into Turkish. From the psychometric analysis, data supporting the validity and reliability of the Misophonia Scale were obtained.