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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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...
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.
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...
Auditory Pathway01:15

Auditory Pathway

Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
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...

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Related Experiment Video

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Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
09:13

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

Published on: April 22, 2015

Autism: alterations in auditory perception.

Pedro L Nieto Del Rincón1

  • 1Departamento de Psicología, Facultad de Medicina, Universidad S. Pablo-CEU, Madrid, Spain. pedroluisn@correo.cop.es

Reviews in the Neurosciences
|June 20, 2008
PubMed
Summary

Auditory perception irregularities in individuals with autism are crucial for understanding symptoms, causes, and effective treatments. This review revises clinical and theoretical implications for autism spectrum disorder (ASD).

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Clinical Psychology

Background:

  • Previous research has identified irregularities in auditory perception among individuals with autism spectrum disorder (ASD).
  • These auditory processing differences are increasingly recognized as significant factors in ASD.
  • Understanding these variations is essential for comprehensive ASD research and clinical practice.

Purpose of the Study:

  • To review and synthesize existing research on auditory perception irregularities in autism.
  • To provide revised clinical and theoretical implications based on current understanding.
  • To highlight the importance of auditory perception in ASD symptomology, etiology, treatment, and theoretical models.

Main Methods:

  • Literature review of studies investigating auditory perception in individuals with autism.

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  • Analysis and synthesis of clinical and theoretical findings from previous decades.
  • Emphasis on the integration of auditory perception research into broader ASD frameworks.

    • Main Results:

    • Auditory perception irregularities are a key feature in individuals with autism spectrum disorder.
    • These irregularities have profound implications for understanding ASD symptoms and their underlying causes.
    • The findings underscore the necessity of addressing auditory processing in ASD treatment strategies.

    Conclusions:

    • Auditory perception irregularities are fundamental to understanding autism spectrum disorder.
    • Addressing these differences is critical for developing effective interventions and theoretical models for ASD.
    • Future research should continue to explore the complex relationship between auditory processing and ASD.