Master’s Students - Research Project

Research Team: Francesca Chan, MSc (Speech-Language Pathology), University of British Columbia, BA (Linguistics), University of Manitoba

Program:  MSc Audiology

Research Topic: Relationship Between Extended High-Frequency Hearing, Speech Perception in Noise, and Self-Reported Difficulty Hearing in Noise in Adults 

Research Project: Normally, adults can hear sounds between 20 Hz and 20 kHz, but standard hearing tests only measure up to 8 kHz, missing higher frequencies that are important for understanding speech. Extended high-frequency (EHF) hearing tests cover frequencies from 8 kHz to 20 kHz, and research shows a link between EHF hearing and challenges in understanding speech in noisy environments. Even people with normal hearing on standard tests perform better in noisy conditions when they can hear higher frequencies. EHF testing could also help detect early signs of hearing problems. This study explores how EHF hearing, otoacoustic emissions (a type of ear test), speech-in-noise performance, and self-reported difficulties with speech in noise are related in adults aged 20-50 with normal hearing. We aim to provide new data on EHF hearing and SIN performance, which could help clinicians. We hope our findings will reinforce the connection between EHF hearing and speech understanding in noise and highlight the importance of adding EHF tests to regular hearing assessments.