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Kids observing other kids' hands: visuomotor priming in children

Marco Tullio Liuzza1, Annalisa Setti, Anna M Borghi

  • 1Department of Psychology, Sapienza University of Rome, Italy. marcotullio.liuzza@uniroma1.it

Consciousness and Cognition
|October 22, 2011
PubMed

Insights

Children showed faster reactions to objects when a hand was shown beforehand, especially if it was a child's hand. This suggests children may better recognize hands as part of their own body schema.

Area of Science:

  • Cognitive Neuroscience
  • Developmental Psychology
  • Motor Control

Background:

  • Motor resonance and simulation are crucial for understanding actions and body ownership.
  • Previous research has primarily focused on adults, leaving developmental aspects less understood.

Purpose of the Study:

  • To investigate motor resonance and motor simulation in children using a behavioral priming paradigm.
  • To explore how children's body schema influences their perception of actions and objects.

Main Methods:

  • A priming paradigm where children judged object weight after viewing hand images in action-related (grasp) or non-action-related (fist) postures.
  • Hand primes varied in size, representing either a child's or an adult's hand.
  • A control experiment was conducted to isolate the effect of the hand prime.

Main Results:

  • Faster response times were observed when objects were primed with grasp hand postures (motor resonance).
  • Participants responded even faster when the prime was a child's hand, particularly with light objects (motor simulation).
  • This is the first behavioral evidence demonstrating motor simulation and resonance in children.

Conclusions:

  • Children exhibit motor resonance and simulation, indicating an early development of action understanding.
  • The findings suggest that children's body schema plays a significant role in processing observed actions.
  • Results have implications for understanding the development of body ownership and conceptual development in childhood.

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