Shubhaganga Dhrruvakumar, Vishal Kooknoor, Saratlal ShajiKumar, Rakesh C Veerabhadrappa
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引用次数: 0
Abstract
Background and objectives: The discrepancies between the objective and subjective measurements used to select and fit hearing aids indirectly impact the perceived benefit and perception in the presence of noise. This study aimed to bridge the gap between objective and subjective measurements in hearing aid fitting by adapting and validating the "Perceptual Performance Test (PPT)" in Malayalam. Subjects and.
Methods: Standardized Malayalam-language sentences were used to adapt PPT and administer it to 65 native Malayalam speakers (30 normal and 35 hearing impaired). Performance and perception speech recognition thresholds in noise (SRTN) and Performance-Perceptual Discrepancy (PPDIS) were evaluated at various noise levels along with Hearing Handicap Inventory for the Elderly (HHIE) or Adults (HHIA).
Results: Both perceptual and performance SRTNs were better among normal-hearing individuals than in the hearing-impaired group. Moreover, the participants with hearing impairment were found to have a significant effect of noise level on both the measures, which was otherwise not seen among normal-hearing individuals. The normative criteria for PPDIS were established to categorize the individuals as under-, over-, or accurate estimators. The performance and perception outcomes varied significantly between groups (normal hearing and hearing impaired) and across noise levels. Furthermore, there was a positive correlation between perceptual and performance SRTNs with emotional and social subscales and total HHIE/A scores. Additionally, a negative association was noted between PPDIS values and HHIE/A scores.
Conclusions: The adapted test is a valid and reliable tool for evaluating the benefit of hearing aids. PPDIS can provide crucial information to audiologists regarding an individual's judgement about their hearing ability, with an explanation for the discrepancy between objective and subjective reports of hearing impairments.
期刊介绍：
Journal of Audiology and Otology (JAO) (formerly known as Korean Journal of Audiology) aims to publish the most advanced findings for all aspects of the auditory and vestibular system and diseases of the ear using state-of-the-art techniques and analyses. The journal covers recent trends related to the topics of audiology, otology, and neurotology conducted by professionals, with the goal of providing better possible treatment to people of all ages, from infants to the elderly, who suffer from auditory and/or vestibular disorders and thus, improving their quality of life. This journal encourages the submission of review papers about current professional issues, research papers presenting a scientific base and clinical application, and case papers with unique reports or clinical trials. We also invite letters to the editor and papers related to the manufacture and distribution of medical devices. This journal provides integrated views from otologists, audiologists, and other healthcare practitioners, offering readers high quality scientific and clinical information. This peer-reviewed and open access journal has been the official journal of the Korean Audiological Society since 1997 and of both the Korean Audiological Society and the Korean Otological Society since 2017. It is published in English four times a year in January, April, July, and October.
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