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Related Concept Videos

Vision01:24

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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.
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
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex.
Visual System01:26

Visual System

Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
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...
Association Areas of the Cortex01:21

Association Areas of the Cortex

Association areas are regions of the cerebral cortex that do not have a specific sensory or motor function. Instead, they integrate and interpret information from various sources to enable higher cognitive processes such as memory, learning, and decision-making. Some key association areas include the following:
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...

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Related Experiment Video

Updated: May 20, 2026

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex
08:42

Monocular Visual Deprivation and Ocular Dominance Plasticity Measurement in the Mouse Primary Visual Cortex

Published on: February 8, 2020

Development and plasticity of the primary visual cortex.

J Sebastian Espinosa1, Michael P Stryker

  • 1Center for Integrative Neuroscience, Department of Physiology, 675 Nelson Rising Lane, University of California, San Francisco, San Francisco, CA 94143-0444, USA.

Neuron
|July 31, 2012
PubMed
Summary
This summary is machine-generated.

Researchers explored the development and plasticity of the visual cortex (V1). Studies in rodents clarified innate development and experience-dependent plasticity, revealing molecular mechanisms and future research directions.

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Visual System Research

Background:

  • Pioneering work by Hubel and Wiesel established the foundation for studying the primary visual cortex (V1).
  • Their research identified neuronal response properties and functional architecture, distinguishing innate development from experience-dependent plasticity.
  • Subsequent studies leveraged rodent models for advanced biochemical and genetic investigations.

Purpose of the Study:

  • To elucidate the molecular signaling and spontaneous neural activity underlying innate V1 development.
  • To investigate the role of visual experience in the critical period of cortical plasticity.
  • To dissect the stages and molecular mechanisms of plasticity induced by monocular visual deprivation (MD).

Main Methods:

  • Utilizing rodent models for biochemical and genetic analyses.
  • Investigating spontaneous neural activity and molecular signaling pathways.
  • Employing techniques to perturb cortical cells and measure synaptic plasticity at the single-neuron level.

Main Results:

  • Clarified the roles of spontaneous neural activity and molecular signaling in experience-independent development.
  • Identified distinct signaling mechanisms governing plasticity stages during monocular visual deprivation.
  • Characterized molecular players involved in experience-dependent plasticity.

Conclusions:

  • Modern tools enable detailed analysis of V1 development and plasticity at the connectional level.
  • Understanding V1 plasticity offers insights into broader principles of cortical development.
  • Future research holds significant promise for illuminating the complexities of visual cortex development and plasticity.