The mirror neuron system: grasping others' actions from birth?
Jean-François Lepage1, Hugo Théoret
1Département de Psychologie, Université de Montréal and Centre de Recherche de l'Hôpital Sainte-Justine, Montréal, Canada.
Developmental Science
|August 9, 2007
Summary
The human mirror neuron system (MNS), crucial for action understanding, shows early development in infants. Understanding infant MNS is vital for neurodevelopmental disorders like autism spectrum disorder.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cognitive Science
Background:
- The adult human brain possesses a mirror neuron system (MNS) where specific neurons activate during action execution and observation.
- Dysfunctions in the MNS are linked to neurodevelopmental disorders, including autism spectrum disorder.
- Limited research exists on the typical development of the MNS in infants and newborns.
Purpose of the Study:
- To review existing evidence on the presence and development of the MNS in human children.
- To explore indirect evidence for an action-perception matching system in newborns.
- To highlight the theoretical and clinical significance of understanding infant MNS development.
Main Methods:
- Review of scientific literature on infant imitation and action-perception matching.
- Analysis of studies investigating neural mechanisms underlying action observation and execution in early development.
- Synthesis of evidence suggesting early MNS functionality.
Main Results:
- Evidence suggests the presence of a functional MNS in human children.
- Indirect findings support an action-perception matching mechanism in newborns.
- Neonatal imitation studies, though debated, provide some support for early MNS-like activity.
Conclusions:
- The mirror neuron system (MNS) appears to be present and developing early in human life.
- Further research into infant MNS is crucial for understanding typical development and neurodevelopmental disorders.
- Early action-perception matching mechanisms may be foundational for social cognition and learning.
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