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Related Concept Videos

Hearing01:31

Hearing

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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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Sound Intensity Level00:53

Sound Intensity Level

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Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
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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.
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The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
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Perception of Sound Waves01:01

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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.
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Auditory Perception01:17

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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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Related Experiment Video

Updated: Feb 16, 2026

Using Eye Movements Recorded in the Visual World Paradigm to Explore the Online Processing of Spoken Language
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Understanding environmental sounds in sentence context.

Sophia Uddin1, Shannon L M Heald1, Stephen C Van Hedger1

  • 1Department of Psychology, The University of Chicago, 5848 S. University Ave., Chicago, IL 60637, USA.

Cognition
|December 23, 2017
PubMed
Summary
This summary is machine-generated.

Context aids understanding of both spoken words and environmental sounds, suggesting conceptual predictions, not just speech motor system involvement, in language processing.

Keywords:
ConstraintContextEnvironmental sound perceptionLanguageRecognitionSpeech perception

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Psycholinguistics

Background:

  • Debate exists on whether context aids word recognition via speech motor system predictions or sensory/conceptual predictions.
  • Environmental sounds, unlike speech, lack vocal tract production and typical sentence context.

Purpose of the Study:

  • To compare how spoken sentence context influences recognition and comprehension of spoken words versus environmental sounds.
  • To investigate the role of linguistic context in processing non-speech auditory signals.

Main Methods:

  • Experiment 1: Assessed recognition of spoken words and environmental sounds under varying signal levels within sentence contexts.
  • Experiment 2: Measured sentence meaning judgment times for speech and environmental sounds in high vs. low constraining sentence frames.

Main Results:

  • Sentence context similarly reduced signal requirements for recognizing both spoken words and environmental sounds.
  • High contextual constraint accelerated decision times for both speech and non-speech sounds compared to low constraint.

Conclusions:

  • Linguistic context facilitates non-speech sound recognition and understanding similarly to spoken words.
  • Findings challenge speech-motor explanations, supporting conceptual-level predictions in spoken language understanding.