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Auditory Pathway

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 Cochlea

The Cochlea

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.

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...

Biological Clocks and Seasonal Responses

Biological Clocks and Seasonal Responses

The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.

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Related Experiment Video

Updated: Apr 24, 2026

Functional Magnetic Resonance Imaging fMRI with Auditory Stimulation in Songbirds

Functional Magnetic Resonance Imaging fMRI with Auditory Stimulation in Songbirds

Published on: June 3, 2013

Temporal pattern processing in songbirds.

Jordan A Comins¹, Timothy Q Gentner²

¹Department of Psychology, University of California, San Diego, United States.

Current Opinion in Neurobiology

|September 10, 2014

Summary

This summary is machine-generated.

Songbirds offer insights into the neurobiology of language by processing patterned auditory communication. Research on European starlings reveals neural circuits for temporal pattern recognition, aiding understanding of sensory representations.

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Area of Science:

Neurobiology
Animal Communication
Auditory Processing

Background:

Understanding language neurobiology requires studying neural processing of patterned information.
Non-human models with shared capacities are crucial for studying neural circuits and populations relevant to language.
Songbirds, particularly European starlings, process complex auditory communication signals.

Purpose of the Study:

To review advances in the behavioral and neural basis of temporal pattern processing in songbirds.
To explore how songbirds process natural auditory communication signals.
To propose a neural circuit model for contextual modulation in sensory processing.

Main Methods:

Review of recent behavioral and neural studies on songbirds.
Focus on European starlings as a model system.
Analysis of temporal pattern processing in auditory communication.

Main Results:

Songbirds exhibit sophisticated temporal pattern processing of natural auditory signals.
Evidence suggests shared neural mechanisms relevant to language processing.
A general inhibitory circuit is proposed for contextual modulation of sensory representations.

Conclusions:

Songbirds serve as valuable models for understanding the neurobiology of language.
Temporal pattern processing in songbirds involves specific neural circuits.
Inhibitory circuits play a role in controlling sensory representations based on patterning rules.