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Related Concept Videos

Auditory Perception01:17

Auditory Perception

562
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...
562
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

407
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...
407

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Related Experiment Video

Updated: Aug 28, 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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Robust and Efficient Online Auditory Psychophysics.

Sijia Zhao1, Christopher A Brown2, Lori L Holt3,4

  • 1Department of Experimental Psychology, 6396University of Oxford, Oxford, UK.

Trends in Hearing
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Online auditory psychophysics can achieve high auditory hygiene with new procedures for setting sound levels and measuring thresholds. This enables reliable online studies of auditory perception, attention, and motivation in diverse populations.

Keywords:
auditory thresholdsmotivationonline testingprobe-signalpsychophysics

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Area of Science:

  • Auditory perception and neuroscience
  • Human psychophysics
  • Online research methodologies

Background:

  • Traditional auditory psychophysics relies on controlled lab settings ('auditory hygiene').
  • Online auditory experiments face challenges in sound level calibration, reliable threshold estimation, noise control, and participant motivation.
  • Existing methods limit the scope and diversity of auditory perception research.

Purpose of the Study:

  • To introduce and validate procedures for maintaining auditory hygiene in online auditory psychophysics.
  • To enable reliable and efficient online measurement of auditory thresholds and frequency-selective attention.
  • To explore the relationship between online psychophysical measures and participant-level factors like motivation and fatigue.

Main Methods:

  • Developed and validated a robust procedure for setting sound presentation levels in diverse environments.
  • Implemented and tested online tone-in-noise threshold estimation, achieving reliable results in ~1 minute.
  • Adapted the probe-signal paradigm for online use, demonstrating frequency-selective attention with reduced trial counts.
  • Correlated psychophysical measures with validated online assays for motivation, fatigue, and confidence.

Main Results:

  • The novel level-setting procedure demonstrated stability and robustness across conditions.
  • Online tone-in-noise thresholds were reliably estimated in approximately one minute.
  • Online probe-signal paradigm successfully demonstrated frequency-selective attention with significantly fewer trials than in-lab studies.
  • Auditory measures related significantly to online assessments of participant motivation, fatigue, and confidence.

Conclusions:

  • The developed procedures effectively facilitate auditory hygiene for online auditory psychophysics.
  • Online auditory psychophysics offers a promising avenue for rapid, efficient, and diverse research in auditory perception and neuroscience.
  • This approach expands the possibilities for investigating auditory processing and attention in real-world settings.