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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...
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 6, 2026

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control
09:37

Measurement of Neurophysiological Signals of Ignoring and Attending Processes in Attention Control

Published on: July 5, 2015

Listeners modulate temporally selective attention during natural speech processing.

Lori B Astheimer1, Lisa D Sanders

  • 1Department of Psychology and Neuroscience and Behavior Program, University of Massachusetts, Tobin Hall, Amherst, MA 01003, USA. lastheim@nsm.umass.edu

Biological Psychology
|April 9, 2008
PubMed
Summary
This summary is machine-generated.

Listeners focus attention on specific moments in speech, especially around word onsets. This temporal selective attention helps process crucial acoustic information during auditory perception.

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Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
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Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example

Published on: October 24, 2012

Area of Science:

  • Cognitive Neuroscience
  • Auditory Perception
  • Psycholinguistics

Background:

  • Selective attention aids processing of relevant stimuli in information-rich environments.
  • Temporal selective attention may optimize speech perception by focusing on key acoustic moments.

Purpose of the Study:

  • To investigate whether temporal selective attention is employed during natural speech perception.
  • To determine if attentional resources are allocated to specific time windows in speech.

Main Methods:

  • Event-related potentials (ERPs) were measured in response to attention probes.
  • Probes were presented at various time points relative to word onsets during a narrative.
  • Acoustic environments were matched across different probe timing conditions.

Main Results:

  • Larger amplitude N1s were observed for probes presented at and immediately after word onsets compared to control probes.
  • These effects were prominent over medial and anterior brain regions.
  • This suggests enhanced neural processing for sounds occurring at critical speech moments.

Conclusions:

  • Native speakers utilize temporal selective attention during speech perception.
  • Attentional resources are dynamically allocated to specific time windows, particularly around word onsets.
  • This mechanism facilitates the efficient processing of acoustic information in continuous speech.