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    Effects of Cochlear Implantation on Tinnitus and Depression
    (Karger, 2020) Sarac, Elif Tugba; Batuk, Merve Ozbal; Batuk, Isa Tuncay; Okuyucu, Semsettin
    Introduction:Tinnitus is prevalent in 66-88% of cochlear implant users. The reason for this high prevalence is that hearing impairment is the most common cause of tinnitus.Objective:This study aims to determine the effect of cochlear implant and to compare the severity of tinnitus and depression in adult cochlear implant users with tinnitus.Methods:Patients diagnosed with tinnitus filled out the Tinnitus Handicap Inventory and the Beck Depression Inventory during CI candidate evaluation. The audiological follow-up in the present study included only patients suffering from tinnitus before the cochlear implant surgery. This study included only patients who had tinnitus handicap inventory and Beck Depression Inventory clinical records pre- and postoperatively, including 23 adult cochlear implant users (13 males and 10 females) aged 18-76 years.Results and Conclusion:There was a statistically significant decrease in the severity of tinnitus and depression after cochlear implant. As the participants' tinnitus level and grade decreased, their depression levels also decreased. Depression levels decreased after the use of a cochlear implant compared to before cochlear implantation. Cochlear implantation is currently used only for hearing restoration. However, cochlear implantation may be used in rehabilitation for tinnitus in patients with severe hearing loss and in tinnitus patients. In addition cochlear implantation can be a depression rehabilitation method by reducing tinnitus.
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    Effects of cognitive tasks on eye movements
    (Springer Heidelberg, 2022) Sarac, Elif Tugba; Batuk, Merve Ozbal; Yarali, Mehmet; Karadag, Mehmet; Aksoy, Songul; Akoglu, Ertap
    Eye movements are guided by vestibular and visual information. The vestibulo-ocular knowledge of the vestibule includes eye movements in the opposite direction of head movements. This study investigated the effect of auditory what and where tasks on the visual where to evaluate the effects of cognitive tasks on eye movements. All subjects underwent testing with videonystagmography (VNG). The VNG battery of saccade and tracking oculomotor tests were performed. The study design was planned in three stages: (1) without any cognitive tasks, eye movements were recorded with VNG, (2) participants were asked to tell what sound they heard during VNG recording, and (3) the subject was asked to tell from what direction, or where, the sound had come from during VNG recording. Providing individuals with a cognitive task changed the test results negatively in all parameters. Giving cognitive tasks to individuals spoils all VNG parameters. The VNG oculomotor tests are affected by the dual tasks. Daily tasks such as sound object localization and recognition have a significant effect on scanning the visual environment in daily life such as during driving or walking in a crowded environment.
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    Evaluation of the quality of life in adults with cochlear implants: As good as the healthy adults?
    (W B Saunders Co-Elsevier Inc, 2019) Sarac, Elif Tugba; Batuk, Merve Ozbal; Sennaroglu, Gonca
    Purpose: The aim of this study was to compare the quality of life (QoL) of adult CI users with the QoL of adults in the healthy and normal-hearing population. Materials and methods: 31 patients with CIs were included in the CI group, and 31 normal-hearing subjects were included in the control group. The QoL was evaluated using the World Health Organization Quality of Life-BREF (WHOQOL-BREF) for all subjects. Results: A comparison of the QoL of the CI group to that of the control group found that the QoL of healthy adults was better than that of the CI users. The results obtained for the subdomains of physical health, psychological health, and social relations showed statistically significant differences between the two groups (p < 0.05). There were no statistically significant differences between the groups in the subdomains of environment and general health (p > 0.05). Conclusions: The effect of a hearing disability on daily life continues after the CI. As expected, adults with CIs still face challenges in their daily lives due to the hearing impairment.