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Neuroplasticity

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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.

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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...

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Related Experiment Video

Updated: Jan 10, 2026

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

Environmental Novelty Modulates Rapid Cortical Plasticity During Navigation.

Alexander Attinger¹, Antonia Drinnenberg², Can Dong¹

¹Department of Neurobiology, Stanford University, Stanford, CA, 94305, USA.

Biorxiv : the Preprint Server for Biology

|November 24, 2025

Summary

This summary is machine-generated.

Neural plasticity shapes spatial representations in the brain. Experience dictates how the retrosplenial cortex (RSC) and primary visual cortex (V1) adapt to new environments, balancing stability with flexibility.

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Last Updated: Jan 10, 2026

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Published on: October 8, 2011

Area of Science:

Neuroscience
Cognitive Science
Systems Neuroscience

Background:

Animals rapidly form spatial representations in the retrosplenial cortex (RSC) and primary visual cortex (V1) when navigating novel environments.
The precise role of neural plasticity and experience in shaping these representations remains unclear.

Purpose of the Study:

To investigate the plasticity of spatial representations in the RSC and V1.
To understand how experience modulates neural plasticity during spatial learning.

Main Methods:

Utilized two-photon calcium imaging and holographic optogenetics in mice navigating virtual reality.
Enabled real-time, cellular-resolution control of neural activity.

Main Results:

Targeted stimulation of layer 2/3 neurons biased neural activity towards specific locations in novel environments.
Layer 5 neurons in the RSC showed plasticity irrespective of environmental familiarity.
Plasticity mechanisms were layer-specific and experience-dependent.

Conclusions:

Neocortical spatial representations balance stability in familiar environments with flexibility for new information.
Findings provide a framework for understanding experience-dependent plasticity in spatial navigation.