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Hearing

Hearing

When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

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Related Experiment Video

Updated: Sep 2, 2025

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Published on: December 20, 2024

Hearing aid utilization in Ontario - a population based study.

Daniel Newsted¹, Bonnie Cooke², Emily Rosen²

¹Division of Otolaryngology - Head and Neck Surgery, Kingston Health Sciences Centre, Queen's University, Kingston, Canada.

Disability and Rehabilitation. Assistive Technology

|August 2, 2022

Summary

This summary is machine-generated.

Hearing aid use is increasing, particularly among older adults and those with higher incomes. This study highlights the need for better access to hearing interventions, especially in low-income communities and for individuals with multiple health conditions.

Keywords:

Hearing loss hearing aids rehabilitative hearing device

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Last Updated: Sep 2, 2025

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Published on: March 24, 2023

Area of Science:

Audiology
Public Health
Gerontology

Background:

Hearing loss is a prevalent sensory impairment, with hearing aids being a common unmet need.
Hearing interventions can mitigate adverse outcomes like social isolation, cognitive decline, and poor mental health.
Understanding hearing aid user trends is crucial for enhancing access to these vital interventions.

Purpose of the Study:

To analyze patient demographics and clinical comorbidities in a cohort of Ontario hearing aid users.
To identify associations between demographics, comorbidities, and hearing aid utilization.
To inform strategies for improving access to hearing interventions and clinical decision-making.

Main Methods:

Utilized ICES databases to identify 372,448 individuals in Ontario who first claimed hearing aids between April 2007 and March 2018.
Analyzed demographic data, including age and neighborhood income quintile.
Examined clinical comorbidities such as hypertension and diabetes, and their association with age and income.

Main Results:

Hearing aid claims steadily increased from 2007 to 2018.
The average age of hearing aid users was approximately 70 years.
Higher neighborhood income was associated with increased hearing aid use (p < 0.001).
Hypertension (63.41%) and diabetes (24.93%) were the most common comorbidities.
Older age and higher income were linked to increased comorbidities and reduced risk of comorbidities, respectively.

Conclusions:

Demographic and comorbidity data provide insights for improving hearing intervention access and primary care decision-making.
Screening for hearing loss in elderly patients with comorbidities and those with risk factors is recommended.
Community-based education and addressing geographic barriers are essential for equitable access to hearing care.