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Related Concept Videos

Auditory Perception01:17

Auditory Perception

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 cochlea, a...
Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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 identifying...
Perception of Sound Waves01:01

Perception of Sound Waves

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 frequency...
Factors Affecting Perception01:25

Factors Affecting Perception

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...
Hearing01:31

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: Jul 15, 2026

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Published on: August 9, 2024

[Vocal perception and life quality].

Silvia Tieko Kasama1, Alcione Ghedini Brasolotto

  • 1Faculdade de Medicina de Ribeirão Prteo, Universidade de São Paulo. silvia_kasama@yahoo.com.br

Pro-Fono : Revista De Atualizacao Cientifica
|April 28, 2007
PubMed
Summary

Dysphonia significantly impacts life quality, with individuals' self-perception of their voice quality correlating with their quality of life. However, listener perception of vocal pleasantness did not correlate with the dysphonic individual's quality of life.

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Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
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Area of Science:

  • Speech and Hearing Sciences
  • Psychology
  • Quality of Life Research

Context:

  • Dysphonia, characterized by vocal alterations, significantly affects an individual's quality of life.
  • Understanding the relationship between vocal self-perception, external perception, and quality of life is crucial for effective voice disorder management.

Purpose:

  • To investigate the correlation between the impact of dysphonia on life quality and the individual's self-perception of their voice.
  • To examine the relationship between vocal self-perception, life quality, and community members' perception of vocal pleasantness in dysphonic individuals.

Summary:

  • A study involving 31 pre-treatment dysphonic adults utilized the Voice Related Quality of Life (V-RQOL) protocol and self-vocal perception assessments.
  • Vocal recordings were evaluated by 25 untrained judges for vocal pleasantness.
  • Results indicated a significant correlation between V-RQOL scores and self-perceived vocal quality across social/emotional, physical, and total domains.

Impact:

  • The findings highlight that a poorer self-assessment of voice quality by individuals with dysphonia is linked to a lower perceived quality of life.
  • Importantly, the study found no significant correlation between the life quality of dysphonic individuals and how their voices were perceived by untrained listeners, suggesting a disconnect between subjective experience and external judgment.