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Related Concept Videos

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...
Plasticity00:58

Plasticity

Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
Neuroplasticity01:01

Neuroplasticity

Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
The Cochlea01:13

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.
Feedback Inhibition00:46

Feedback Inhibition

Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
Hair Cells01:22

Hair Cells

Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.

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Related Experiment Video

Updated: Jun 22, 2026

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

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

Published on: October 11, 2017

Inhibitory plasticity in auditory cortex.

Israel Nelken1

  • 1Department of Neurobiology, The Silberman Institute of Life Sciences, The Hebrew University, Edmond Safra Campus - Givat Ram, Jerusalem 91904, Israel. israel@cc.huji.ac.il

Neuron
|June 16, 2009
PubMed
Summary
This summary is machine-generated.

Neuronal plasticity, the brain

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Area of Science:

  • Neuroscience
  • Cortical circuits
  • Neuronal plasticity

Background:

  • Neuronal plasticity is crucial for learning and memory.
  • Excitatory transmission changes are often studied.
  • Cortical circuits adapt to experience.

Discussion:

  • Galindo-Leon et al. highlight inhibitory roles in plasticity.
  • Increased inhibition shapes cortical responses.
  • Behaviorally relevant stimuli impact neuronal circuits.

Key Insights:

  • Inhibition plays a significant role in cortical plasticity.
  • The study focuses on inhibitory transmission.
  • Behavioral relevance modulates circuit changes.

Outlook:

  • Further research into inhibitory plasticity is warranted.
  • Understanding inhibition can advance treatments for neurological disorders.
  • This work opens new avenues for studying brain adaptation.