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Rapid dynamic changes in adult cerebral cortex

C D Gilbert1

  • 1Rockefeller University, New York.

Current Opinion in Neurobiology
|February 1, 1993
PubMed
Summary
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The adult brain exhibits remarkable plasticity, with cortical connections dynamically changing over minutes. This challenges the traditional view of a static adult cortex, revealing its adaptability in real-time.

Area of Science:

  • Neuroscience
  • Neuroplasticity
  • Cortical Function

Background:

  • Cortical plasticity is traditionally associated with the developing brain.
  • A static model of adult cortical function has been widely accepted.

Purpose of the Study:

  • To investigate the dynamic properties of adult cortical function.
  • To explore the mutability of receptive field properties and cortical topography in adults.

Main Methods:

  • Utilizing recent advancements in neuroimaging and electrophysiology.
  • Analyzing cortical activity and connectivity patterns over short timescales.

Main Results:

  • Demonstrated substantial mutability in receptive field properties.
  • Revealed dynamic changes in cortical topography.

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  • Observed these cortical dynamic properties on a timescale of minutes.

    • Conclusions:

    • The adult cortex possesses a significant degree of plasticity.
    • Cortical function is more dynamic and adaptable than previously understood.
    • These findings necessitate a revised view of adult cortical processing.