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Published on: October 5, 2018
Infants attribute false beliefs to a toy crane
Kimberly Burnside1, Vivianne Severdija1, Diane Poulin-Dubois1
1Centre for Research in Human Development, Concordia University, Montréal, Canada.
Infants may attribute false beliefs to inanimate objects, suggesting early theory of mind is more advanced than previously thought. This study explored infant expectations of object-directed actions by inanimate agents.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Infant Cognition
Background:
- The mentalistic view suggests infants understand false beliefs early, but explicit tasks mask this ability.
- Violation-of-expectation (VOE) paradigms using looking time provide indirect evidence for infant cognition.
- Previous VOE studies often focused on human agents' beliefs.
Purpose of the Study:
- To investigate whether infants attribute false beliefs to inanimate agents.
- To test if the VOE paradigm can reveal false belief understanding in infants when applied to non-humanoid agents.
- To explore the scope of early theory of mind in attributing mental states.
Main Methods:
- Replication of a VOE procedure using a toy crane as the agent.
- Infants observed an object's location change while an agent (crane) was absent.
- Measured infants' looking time when the crane returned and oriented towards the object's location.
Main Results:
- 16-month-old infants looked longer when the crane oriented towards the object's new location.
- This prolonged looking suggests infants expected the crane to act based on its previous, now false, belief.
- Infants' looking patterns were consistent with attributing a false belief to the inanimate crane.
Conclusions:
- Infants appear to spontaneously attribute false beliefs to inanimate agents.
- This finding supports the idea that early theory of mind capabilities are robust and not solely tied to human-like agents.
- The study implies a broader capacity for mental state attribution in infancy than previously demonstrated.
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