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Updated: Feb 27, 2026

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
Published on: December 16, 2010
Mind Games: Game Engines as an Architecture for Intuitive Physics.
Tomer D Ullman1, Elizabeth Spelke2, Peter Battaglia3
1Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Department of Psychology, Harvard University, Cambridge, MA 02138, USA.
Many intuitive physical inferences may stem from a mental physics engine, similar to video game engines. This theory explains infant physics understanding and informs AI development for common sense reasoning.
Area of Science:
- Cognitive Science
- Developmental Psychology
- Artificial Intelligence
Background:
- Human intuitive physics understanding is complex and not fully explained by existing models.
- Young infants demonstrate surprising physical knowledge, posing a challenge for developmental theories.
- Artificial intelligence (AI) systems often lack human-like common sense reasoning abilities.
Purpose of the Study:
- To propose and explore the mental physics engine hypothesis for intuitive physical inference.
- To unify phenomena in infant intuitive physics and explain 'physics illusions'.
- To provide a basis for computational models of infant physical knowledge development and inform AI common sense.
Main Methods:
- Analogy drawn between machine physics engines in video games and human mental representations.
- Focus on intuitive physics in young infants as a key test case.
- Explanation of 'physics illusions' and implications for AI development.
Main Results:
- The mental physics engine hypothesis offers a unifying framework for infant physical reasoning.
- The hypothesis explains previously puzzling infant behaviors and 'physics illusions'.
- Provides a potential computational basis for understanding the development of physical knowledge.
Conclusions:
- Human intuitive physics may operate via a mental physics engine analogous to game engines.
- This framework advances our understanding of infant cognitive development and physical knowledge acquisition.
- Offers insights for creating AI with more robust common sense reasoning capabilities.
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