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Related Experiment Videos

[Brain plasticity during development: physiological bases and functional MRI approach].

L Hertz-Pannier1

  • 1Service de Radiologie Pédiatrique, Hôpital Necker-Enfants Malades, Paris.

Journal of Neuroradiology = Journal De Neuroradiologie
|June 11, 1999
PubMed
Summary
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Brain functional MRI (fMRI) offers insights into pediatric brain development and recovery from injury. Despite challenges with young subjects, fMRI reveals developmental changes and plasticity in children's brains.

Area of Science:

  • Neuroscience
  • Developmental Neuroscience
  • Cognitive Neuroscience

Context:

  • Functional magnetic resonance imaging (fMRI) is an emerging tool for studying pediatric brain development and functional reorganization after lesions.
  • Methodological challenges in pediatric fMRI include subject movement, cooperation, and understanding the impact of immature brain physiology on results.
  • Limited published studies exist due to these pediatric-specific challenges.

Purpose:

  • To explore the utility of fMRI in understanding cognitive development and brain plasticity in children.
  • To review current findings on fMRI in pediatric populations, from neonates to school-age children.
  • To discuss the implications of brain maturation and post-lesional plasticity in the pediatric context.

Summary:

Related Experiment Videos

  • Brain maturation involves synaptic changes influencing learning, variability, and plasticity.
  • fMRI studies in school-aged children show adult-like activation patterns for motor, language, and working memory tasks.
  • Neonatal and infant fMRI reveals distinct visual cortex activation patterns.
  • Children exhibit greater post-lesional plasticity, with potential ipsilateral motor cortex activation and interhemispheric language network shifts following brain lesions or epilepsy.

    • Impact:

    • fMRI provides valuable data on typical brain development and functional recovery in children.
    • Findings highlight the significant plasticity of the developing brain, especially after injury.
    • Understanding these processes can inform clinical assessments and interventions for pediatric neurological conditions.