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Related Concept Videos

Perception of Sound Waves01:01

Perception of Sound Waves

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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...
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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...
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Hearing01:31

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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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Cognitive Development During Adulthood01:30

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Perceiving Loudness, Pitch, and Location01:21

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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...
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Updated: Jul 18, 2025

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
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Aging and Speech-in-Noise Perception.

Seyede Faranak Emami1, Elnaz Shariatpanahi2, Nasrin Gohari1

  • 1Department of Audiology, School of Rehabilitation Sciences, Hearing Disorder Research Center, Hamadan University of Medical Sciences, Hamedan, Iran.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|August 28, 2023
PubMed
Summary
This summary is machine-generated.

Aging significantly impairs speech-in-noise perception (SINP), even in individuals with normal hearing. This decline in word perception in noise (WPS in WN) is more pronounced with age than with mild hearing loss.

Keywords:
AgingNoisePerceptionSpeech

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Area of Science:

  • Audiology
  • Gerontology
  • Speech Science

Background:

  • Age-related changes can affect auditory processing, including speech-in-noise perception (SINP).
  • Understanding the impact of aging on SINP is crucial for identifying and managing auditory challenges in older adults.

Purpose of the Study:

  • To investigate the effect of age on speech-in-noise perception (SINP) using word perception score in white noise (WPS in WN).

Main Methods:

  • A cross-sectional study involving 76 participants (30 elderly, 46 young adults) with normal cognitive and stress levels.
  • Audiological evaluations included immittance testing, pure tone audiometry, speech reception threshold, and WPS in WN.
  • Data analyzed using Mann-Whitney and Tukey HSD tests, with participants categorized into young normal hearing, elderly normal hearing, and elderly with hearing loss groups.

Main Results:

  • Significant differences in WPS in WN were observed between age groups and hearing status, particularly in the left ear for elderly participants.
  • Both young and elderly adults showed significant differences in WPS in WN across various signal-to-noise ratios (SNRs) in both ears.
  • The study found a clear relationship between increasing age and decreasing WPS in WN, indicating aging has a greater detrimental effect on SINP than mild hearing loss.

Conclusions:

  • Increasing age is associated with a decline in word perception in noise (WPS in WN).
  • The negative impact of aging on speech-in-noise perception (SINP) is more significant than that of mild to moderate high-frequency hearing loss.
  • These findings highlight the importance of considering age-related auditory changes in clinical assessments and interventions.