Audiology and Speech Research

RESEARCH PAPER The Effect of an Aging Population on Hearing Loss
Purpose: This study aims to analyze and predict the impact of aging population on hearing loss, based on the awareness that age-related disabilities are becoming increasingly significant due to a rapidly aging society. Methods: A cointegration model was adopted to investigate ...

RESEARCH PAPER Characteristics of Verb Retrieval According to Hoehn and Yahr Stage in Idiopathic Parkinson's Disease Patients
Purpose: The purpose of this study was to examine verb retrieval performance in idiopathic Parkinson’s disease (IPD) patients across different Hoehn and Yahr (H&Y) stages, focusing on response accuracy and reaction time for verbs varying in motor content. Methods: Twenty-seve...

RESEARCH PAPER Life-Cycle Trends in Registered Hearing-Impaired Individuals in South Korea: A 10-Year National Analysis (2015~2024)
Purpose: This study examined demographic transitions within South Korea’s officially registered hearing-impaired population over a 10-year period (2015~2024), focusing on distinct life-cycle stages. The primary aim was to delineate the influence of structural aging and policy s...