Narrative Review of Loudness Perception Measures in Children
Samantha J Gustafson1, Elsa Newsome, Ashley N Flores
1Department of Communication Sciences and Disorders, University of Utah, Salt Lake City, Utah.
Ear and Hearing
|June 17, 2022
Summary
Understanding loudness perception in children is crucial for hearing device fitting. While loudness growth is consistent, loudness discomfort levels may vary developmentally, impacting device calibration.
Area of Science:
- Audiology
- Pediatric audiology
- Psychoacoustics
Background:
- Pediatric audiologists require better understanding of loudness perception for hearing device fitting.
- Existing literature on pediatric loudness perception needs synthesis.
Approach:
- A narrative literature review was conducted.
- 29 articles were reviewed to assess developmental differences, listener variability, and test-retest reliability.
- Methods for measuring loudness perception in children were summarized.
Key Points:
- Potential developmental differences exist in loudness discomfort levels (LDLs).
- Loudness growth appears relatively consistent across pediatric age groups.
- Significant across-child variability in loudness perception is evident.
Conclusions:
- Estimating LDLs from hearing thresholds may introduce errors in pediatric hearing device fitting.
- Further research is needed on loudness balancing, clinical scaling measure variations, and the benefits of individualized loudness perception fitting.
More Related Videos
09:38Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
Published on: January 29, 2014
10.9K
08:05Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
Published on: June 30, 2020
7.7K
Related Concept Videos
01:21Perceiving Loudness, Pitch, and Location
419
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
419
00:53Sound Intensity Level
4.3K
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...
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...
4.3K
01:17Auditory Perception
578
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
578
00:58Sound Intensity
4.2K
The loudness of a sound source is related to how energetically the source is vibrating, consequently making the molecules of the propagation medium vibrate. To measure the loudness of a source, the physical quantity of interest is the intensity. This is defined as the energy emitted per unit of time per unit of area perpendicular to the sound wave's propagation direction. Since the total energy is greater if the source vibrates for a longer duration and over a larger area, dividing the...
4.2K
01:01Perception of Sound Waves
4.6K
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
4.6K
01:25Factors Affecting Perception
1.8K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.8K