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Related Experiment Videos

Cortical plasticity and memory

M M Merzenich1, K Sameshima

  • 1Keck Center, University of California, San Francisco 94143-0732.

Current Opinion in Neurobiology
|April 1, 1993
PubMed
Summary
This summary is machine-generated.

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This study explores how adaptable brain cell connections and dynamic neural networks contribute to learning and memory. It proposes a model for the brain

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Synaptic Plasticity

Background:

  • Cortical plasticity is crucial for learning and memory.
  • Synapses and neural networks dynamically change during these processes.

Purpose of the Study:

  • To describe the roles of plastic Hebb-like synapses and dynamic cortical cell assemblies in learning and memory.
  • To posit a hypothetical model of the cortical engram.

Main Methods:

  • Review of existing literature on synaptic plasticity and cortical cell assemblies.
  • Integration of findings on distributed representations in sensory and temporal cortices.

Main Results:

  • Extrinsically modulated, plastic Hebb-like synapses play key roles.

Related Experiment Videos

  • Dynamic cortical cell assemblies underlie plasticity in learning and memory.
  • Distributed representations are evident in sensory and temporal cortical fields.

    • Conclusions:

    • A hypothetical model of the cortical engram for learned behaviors and memories is proposed.
    • Understanding these mechanisms advances knowledge of brain function in memory formation.