Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Auditory Perception

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...

Perception of Sound Waves

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...

Hearing

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.

Perceiving Loudness, Pitch, and Location

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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Chaos Theory and Child Development: Quantifying Nonlinear Pathways of Growth.

Perspectives on psychological science : a journal of the Association for Psychological Science·2026

Same author

Beyond Diagnosis: Why and How Virtual Reality Should be Used in Research on Neurodevelopmental Conditions?

Neuroscience and biobehavioral reviews·2026

Same author

The development of problem solving: Integrating perception, cognition, and action in real time.

Advances in child development and behavior·2026

Same author

Getting the proper grip: A longitudinal study of how infants learn to adapt action Plans.

Journal of experimental child psychology·2026

Same author

Postapproval Study for Brain-Responsive Neurostimulation for Drug-Resistant Focal Epilepsy: Three-Year Efficacy and Interim Safety Results.

Neurology·2026

Same author

Eye movements reflect memory-related theta activity in the human brain.

PLoS biology·2026

Same journal

Lifespan Trajectories of the Brain's Functional Complexity Characterized by Multiscale Sample Entropy.

NeuroImage·2026

Same journal

Pleasant fragrance modulates dyadic social sharing of positive emotion: Sharer-centered socioemotional enhancement effect and its neural couplings.

NeuroImage·2026

Same journal

Altered Functional Hierarchical and Sequential Organization in Individuals with Schizophrenia during Auditory Processing.

NeuroImage·2026

Same journal

Mechanical Deformation Explains Distinct Neuroimaging Patterns and Etiologies in Brain Trauma.

NeuroImage·2026

Same journal

Ventral striatum temporal interference brain stimulation enhances the reward-positivity event-related potential and reduces anxiety.

NeuroImage·2026

Same journal

NeuroHarm‑Kit: An Open‑Source Toolbox for Benchmarking Deep‑Learning Harmonization of Multi‑Site T1‑Weighted MRI.

NeuroImage·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Apr 12, 2026

Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

Published on: September 5, 2012

Decoding speech perception from single cell activity in humans.

Ori Ossmy¹, Itzhak Fried², Roy Mukamel¹

¹Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv 69978, Israel; School of Psychological Sciences, Tel-Aviv University, Tel-Aviv 69978, Israel.

|May 16, 2015

Summary

This summary is machine-generated.

Researchers found that neural activity in the auditory cortex can decode spoken words. This brain signal analysis may aid in developing brain-machine interfaces for speech production deficits.

Keywords:

Decoding Local field potentials Single unit recording Speech perception

More Related Videos

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Published on: July 26, 2024

Infant Auditory Processing and Event-related Brain Oscillations

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Related Experiment Videos

Last Updated: Apr 12, 2026

Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

Optical Recording of Suprathreshold Neural Activity with Single-cell and Single-spike Resolution

Published on: September 5, 2012

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Author Spotlight: Investigating Vocal Information Representation in Small Primates and Its Alteration by Psychiatric Disorders Using Noninvasive EEG

Published on: July 26, 2024

Infant Auditory Processing and Event-related Brain Oscillations

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Area of Science:

Neuroscience
Auditory Processing
Speech Perception

Background:

The human brain continuously deciphers continuous speech.
Understanding neural mechanisms of speech perception is crucial.
Auditory cortex plays a key role in processing sound and speech.

Purpose of the Study:

To investigate if single-cell activity in the auditory cortex can support continuous speech deciphering.
To determine the extent to which neural activity can decode perceived words during ongoing speech.

Main Methods:

Recorded neural activity (population spiking and local field potentials) from the auditory cortex of two neurosurgical patients.
Presented patients with video segments containing speech.
Analyzed neural data to detect word onsets and decode word identity.

Main Results:

Population spiking activity from approximately 20 cells per patient accurately detected word onset and decoded perceived word identity.
Local field potential oscillation phase (8-12Hz) also enabled word identity decoding, but with lower accuracy.
Results indicate significant information for word classification within human primary auditory cortex spiking activity.

Conclusions:

Spiking activity in a small population of human auditory cortex neurons contains substantial information for classifying words in continuous speech.
Findings suggest potential applications for brain-machine interfaces in patients with speech production impairments, leveraging overlapping neural representations for speech perception and production.