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Related Concept Videos

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...
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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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...
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.
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
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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...

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Related Experiment Video

Updated: May 27, 2026

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
09:29

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Published on: October 11, 2017

Does a pitch center exist in auditory cortex?

Daniel Bendor1

  • 1Picower Institute for Learning and Memory, Dept. of Brain and Cognitive Science, Massachusetts Institute of Technology, Cambridge, MA, USA. dbendor@mit.edu

Journal of Neurophysiology
|November 4, 2011
PubMed
Summary
This summary is machine-generated.

Recent findings challenge the existence of a specific human "pitch center" in the auditory cortex. This research questions previous assumptions about how the brain processes pitch perception, a key aspect of hearing and speech.

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Related Experiment Videos

Last Updated: May 27, 2026

Stereotactically-guided Ablation of the Rat Auditory Cortex, and Localization of the Lesion in the Brain
09:29

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Published on: October 11, 2017

Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning
08:43

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Mapping the After-effects of Theta Burst Stimulation on the Human Auditory Cortex with Functional Imaging
10:09

Mapping the After-effects of Theta Burst Stimulation on the Human Auditory Cortex with Functional Imaging

Published on: September 12, 2012

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Human Auditory Perception

Background:

  • Pitch perception is crucial for understanding music and speech prosody.
  • Previous research proposed a dedicated pitch-processing center in the auditory cortex.
  • This concept has been influential in auditory neuroscience.

Purpose of the Study:

  • To critically evaluate the evidence for a distinct human pitch center.
  • To investigate the neural representation of pitch processing in the auditory cortex.
  • To challenge and refine existing models of pitch perception.

Main Methods:

  • Review and analysis of recent neuroimaging and psychophysical data.
  • Comparison of findings with established theories of pitch representation.
  • Critical examination of experimental paradigms used in prior studies.

Main Results:

  • Recent data do not support a single, localized pitch-processing center.
  • Pitch perception likely involves distributed neural networks rather than a specialized area.
  • Existing evidence for a "pitch center" is re-evaluated and found to be inconclusive.

Conclusions:

  • The concept of a human "pitch center" in the auditory cortex is not supported by current evidence.
  • Pitch perception is likely a complex function of widespread auditory cortical activity.
  • Future research should focus on distributed neural mechanisms for pitch processing.