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Structural and functional brain development and its relation to cognitive development.

B J Casey1, J N Giedd, K M Thomas

  • 1Department of Psychiatry, The Sackler Institute for Developmental Psychobiology, Weill Medical College of Cornell University, 525 East 68th Street, Box 171, New York, NY 10021, USA. bjc2002@mail.med.cornell.edu

Biological Psychology
|October 18, 2000
PubMed
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The developing human brain shows significant changes in the prefrontal cortex, impacting cognitive functions like attention and memory throughout childhood and adolescence. Advanced neuroimaging techniques are crucial for understanding this brain development.

Area of Science:

  • Developmental Neuroscience
  • Cognitive Neuroscience
  • Pediatric Neuroimaging

Background:

  • Limited understanding of the developing human brain and neural bases of cognitive development.
  • Prefrontal cortex is among the last brain regions to mature.
  • Childhood and adolescence are critical periods for brain maturation and cognitive development.

Purpose of the Study:

  • To investigate structural and functional brain changes using MRI.
  • To correlate brain development with cognitive process changes.
  • To explore the neural underpinnings of cognitive development in children.

Main Methods:

  • Magnetic Resonance Imaging (MRI) studies.
  • Functional Magnetic Resonance Imaging (fMRI) in children performing memory and attention tasks.

Related Experiment Videos

  • Analysis of structural and functional changes in the prefrontal cortex.

    • Main Results:

    • Prefrontal cortex maturation extends through childhood and adolescence.
    • fMRI studies show greater and more diffuse prefrontal activity in children compared to adults.
    • Behavioral and physiological development of attention and memory continue throughout childhood.

    Conclusions:

    • Cognitive development in childhood may involve synaptic refinement rather than new synapse formation.
    • fMRI and other advanced neuroimaging methods are vital for understanding brain-behavior relationships.
    • Continued research is needed to fully elucidate human brain development and its cognitive correlates.