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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...
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...
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.
Naturalistic Observations02:30

Naturalistic Observations

If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
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...

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Related Experiment Video

Updated: May 28, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

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

Published on: January 23, 2017

Object and setting identification in natural auditory scenesa).

Margaret A McMullin1, Nathan C Higgins2, Rohit Kumar3

  • 1Department of Speech, Language, and Hearing Sciences, University of Florida, Gainesville, Florida 32611, USA.

The Journal of the Acoustical Society of America
|May 27, 2026
PubMed
Summary
This summary is machine-generated.

Longer auditory scenes improve both setting and object identification, though object recognition is generally more accurate. Acoustic features play a role, but cognitive processes are key for distinguishing between scene and object perception.

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Last Updated: May 28, 2026

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Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization
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Area of Science:

  • Auditory perception
  • Cognitive psychology
  • Acoustic scene analysis

Background:

  • Auditory scene perception enables identification of environmental settings and objects, crucial for situational awareness.
  • While visual scene recognition is well-researched, auditory scene and object identification in complex environments remain less understood.

Purpose of the Study:

  • To investigate the impact of auditory scene duration on the identification of environmental settings and specific objects.
  • To compare the accuracy of setting versus object identification as a function of scene duration.

Main Methods:

  • Participants listened to natural auditory scenes presented at varying durations (1, 2, and 4 seconds).
  • Listeners were tasked with identifying the environmental setting (e.g., café) and discrete objects (e.g., music, talking) within each scene.
  • Statistical models incorporating low- and mid-level acoustic features were used to predict performance.

Main Results:

  • Object identification accuracy was consistently higher than setting identification accuracy across all tested durations.
  • Increased scene duration significantly improved performance for both setting and object identification tasks.
  • Acoustic features predicted performance but explained a limited portion of the overall variance.

Conclusions:

  • Auditory scene duration is a critical factor influencing both setting and object identification.
  • Differences in performance suggest that setting identification relies more on integrating global scene properties and multiple sound sources, while object identification emphasizes individual sound source segregation and feature recognition.
  • Perceptual and cognitive processes interact significantly in auditory scene and object recognition.