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Sound Intensity Level

Sound Intensity Level

Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...

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

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Audibility-Based Informational Counseling in Pediatric Audiology Using the Speech Intelligibility Index: A

Caitlin Sapp¹, Mary Charlton², Ryan McCreery³

¹Department of Pediatric Audiology, University of North Carolina Medical Center, Chapel Hill, North Carolina, USA.

Ear and Hearing

|April 27, 2026

Summary

This summary is machine-generated.

Parents of children with hearing loss (HL) struggle to explain the diagnosis and its implications. Audibility-based counseling may improve understanding of HL and hearing technology needs for families.

Keywords:

EHDI Newborn hearing screening Parent counseling Pediatric audiology Qualitative

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Area of Science:

Audiology
Pediatric audiology
Communication sciences and disorders

Background:

Effective counseling for pediatric hearing loss (HL) is crucial for engaging caregivers.
Current tools may not fully convey the impact of HL on child development.
Early amplification and intervention require adequate caregiver understanding.

Purpose of the Study:

To examine parent experiences with informational counseling during the diagnosis and intervention of early childhood hearing loss.
To identify patterns in caregiver feedback to inform counseling strategies.
To explore the utility of audibility-based counseling strategies.

Main Methods:

Qualitative study using semistructured interviews with 19 parents (15 mothers, 4 fathers) of children with early hearing loss.
Interview guide focused on perceptions of early counseling for diagnosis and hearing aid recommendations.
Discussion of audibility-based counseling strategies with parent stakeholders.

Main Results:

Parents reported difficulty explaining the diagnosis and understanding its implications.
Audibility-based counseling was broadly accepted, with some reservations.
Parents tended to overestimate their child's unaided audibility.

Conclusions:

Parents face challenges communicating hearing loss information to their social network.
Audibility-based counseling may be more accessible than traditional HL descriptors.
A mismatch between perceived and actual unaided audibility has clinical implications for intervention acceptance.