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Motor system activation reveals infants' on-line prediction of others' goals

Victoria Southgate1, Mark H Johnson, Imen El Karoui

  • 1Centre for Brain and Cognitive Development, School of Psychology, Birkbeck, Malet St., London WC1E 7HX, United Kingdom. v.southgate@bbk.ac.uk

Psychological Science
|April 29, 2010
PubMed

Insights

Infants can predict action outcomes in real-time, a key skill for cooperation. This study used brain activity to show infants anticipate goals during observed actions.

Area of Science:

  • Developmental Psychology
  • Cognitive Neuroscience
  • Infant Studies

Background:

  • Infants can attribute goals to observed actions.
  • Online action outcome prediction in infancy remains unclear due to methodological limitations.

Purpose of the Study:

  • To investigate whether 9-month-old infants can generate online predictions about the outcomes of observed actions.
  • To explore a novel method for assessing infant cognitive abilities through sensorimotor responses.

Main Methods:

  • Utilized the sensorimotor alpha signal, which is modulated during action observation.
  • Presented 9-month-old infants with partial actions and measured brain activity.
  • Assessed motor activation based on the ability to infer a likely action outcome.

Main Results:

  • Infants showed motor activation only when the observed action allowed for the inference of a likely outcome.
  • Evidence suggests infants engage in online goal prediction during action observation.

Conclusions:

  • This study provides the first evidence for online goal prediction in infancy.
  • The sensorimotor alpha signal offers a new tool for investigating infant cognition and predictive abilities.

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