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Updated: May 30, 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

The role of GABAergic inhibition in ocular dominance plasticity

J Alexander Heimel1, Daniëlle van Versendaal, Christiaan N Levelt

  • 1Department of Molecular Visual Plasticity, Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Meibergdreef 47, 1105BA Amsterdam, The Netherlands.

Neural Plasticity
|August 10, 2011
PubMed

Insights

Understanding visual cortex plasticity reveals mechanisms for brain injury treatments. Inhibitory innervation maturation opens sensitive periods, offering hope for neurodevelopmental disorders.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Visual System Plasticity

Background:

  • The visual cortex exhibits sensitive periods of plasticity, crucial for development and learning.
  • Understanding the opening and closing of these periods is key for treating brain disorders.
  • Maturation of inhibitory innervation is a central mechanism regulating visual cortex plasticity.

Purpose of the Study:

  • To review current knowledge on the mechanisms governing the sensitive period of plasticity in the visual cortex.
  • To explore the role of inhibitory innervation in opening and closing plasticity.
  • To identify open questions for future research in visual cortex development and plasticity.

Main Methods:

  • Review of molecular and cellular events.
  • Analysis of signaling pathways (BDNF, IGF-1).
  • Examination of transcriptional control (OTX2) and synaptic formation.

Main Results:

  • Inhibitory innervation maturation is critical for opening plasticity.
  • Molecular factors like BDNF, IGF-1, and OTX2 play significant roles.
  • GABA-regulated synapse formation and extracellular matrix maturation are involved.

Conclusions:

  • Inhibitory innervation development is a key driver of visual cortex sensitive periods.
  • Plasticity of inhibitory inputs may regulate the closing of these periods.
  • Further research is needed to fully elucidate the mechanisms of plasticity regulation.

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