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Patterning and specification of the cerebral cortex

P Levitt1, M F Barbe, K L Eagleson

  • 1Department of Neuroscience and Cell Biology, Robert Wood Johnson Medical School, UMDNJ, Piscataway 08854, USA.

Annual Review of Neuroscience
|January 1, 1997
PubMed
Summary
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Early cerebral cortex development involves regionalization into distinct brain areas. Research suggests precursor cells respond to environmental cues, influencing neuronal fate and establishing specific cortical regions during fetal development.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Molecular Biology

Background:

  • The cerebral cortex regionalizes into distinct anatomical and functional areas during development.
  • Evidence suggests early cerebral wall parcelation occurs during fetal development.
  • Understanding the timing and mechanisms of areal specification is crucial.

Purpose of the Study:

  • To explore the timing of areal specification in the developing cerebral cortex.
  • To investigate the role of precursor cell sensitivity to environmental cues.
  • To identify common mechanisms regulating cell phenotype across the neuraxis.

Main Methods:

  • Utilizing descriptive evidence based on molecular expression and structural features.
  • Employing experimental strategies such as tissue transplants.

Related Experiment Videos

  • Using cell culture models to study developmental processes.

    • Main Results:

    • Discovery of novel signaling systems influencing precursor cell fate.
    • Demonstration of precursor cell sensitivity to environmental cues.
    • Identification of common mechanisms for regulating neuronal phenotype.

    Conclusions:

    • Areal specification of the cerebral cortex involves early parcelation and environmental signaling.
    • Precursor cells are sensitive to cues that determine neuronal fate for specific cortical areas.
    • Mechanisms regulating cell phenotype in the cortex are conserved across the neuraxis.