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Related Experiment Videos

A shift from diffuse to focal cortical activity with development.

Sarah Durston1, Matthew C Davidson, Nim Tottenham

  • 1Sackler Institute for Developmental Psychobiology, Weill Medical College of Cornell University, New York, USA. S.Durston@azu.nl

Developmental Science
|February 1, 2006
PubMed
Summary
This summary is machine-generated.

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Children

Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Cognitive Neuroscience

Background:

  • Adult learning shows shifts from diffuse to focal cortical activation.
  • Developmental studies often rely on cross-sectional data, limiting within-subject comparisons.
  • Direct longitudinal investigation of developmental changes in brain activity is needed.

Purpose of the Study:

  • To investigate developmental shifts in cortical activation during a cognitive control task in children.
  • To compare longitudinal and cross-sectional findings in pediatric brain development.
  • To examine changes in brain activity patterns as children perform a cognitive task.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used in children.
  • A combined longitudinal and cross-sectional study design was employed.

Related Experiment Videos

  • Participants performed a cognitive control task during fMRI scanning.

    • Main Results:

    • Longitudinal data revealed attenuated activation in dorsolateral prefrontal cortex.
    • Increased focal activation was observed in ventral prefrontal regions over time.
    • Findings suggest developmental changes in cortical activation patterns.

    Conclusions:

    • Developmental changes in cognitive control involve shifts in cortical activation.
    • Longitudinal data provide a clearer picture of within-subject developmental trajectories.
    • Ventral prefrontal regions show increased focal activation with development.