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[Plasticity of the callosal system].

M Lassonde1, M Ptito, F Lepore

  • 1Université de Montréal.

Canadian Journal of Psychology
|June 1, 1990
PubMed
Summary

The corpus callosum shows plasticity, with a critical period for its function. Callosal section before this period does not disrupt interhemispheric communication, suggesting adaptable brain pathways.

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Neural plasticity·2017

Area of Science:

  • Neuroscience
  • Neuroplasticity
  • Developmental Neuroscience

Context:

  • Investigating the brain's ability to adapt after injury or surgery.
  • Examining the role of the corpus callosum in interhemispheric communication.

Purpose:

  • To explore the plasticity of the callosal system in epileptic patients and kittens after corpus callosotomy.
  • To determine if there is a critical period for callosal function and compensatory mechanisms.

Summary:

  • Experiments on patients and kittens with corpus callosotomy revealed a critical period for callosal function.
  • Interhemispheric communication remains intact if callosal section occurs before this critical period.
  • Compensatory mechanisms for interhemispheric transfer vary by sensory modality.

Impact:

  • Suggests a window of opportunity for interventions aimed at improving brain function after callosal damage.
  • Provides insights into the fundamental mechanisms of brain plasticity and recovery.

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