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Related Experiment Video

Updated: Jan 25, 2026

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

Published on: May 6, 2014

Rational expectations and kinematic information in coordination games.

Martina Fanghella¹, Camilla F Colombo², Fabio Aurelio D'Asaro³

¹Department of Philosophy, University of Milan, 20122 Milano, Italy; Cognition in Action (CIA) Unit, PHILAB, 20122 Milano, Italy.

|January 23, 2026

Summary

This summary is machine-generated.

Humans prioritize real-time movement cues over abstract payoff assumptions for successful coordination. Early kinematic signals about partners' actions significantly influence strategic choices, improving coordination success.

Keywords:

Game theory Reach-to-grasp kinematics Strategic reasoning Target prediction

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Last Updated: Jan 25, 2026

Coordinate Mapping of Hyolaryngeal Mechanics in Swallowing

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Published on: May 6, 2014

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Published on: October 20, 2022

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Published on: January 14, 2020

Area of Science:

Cognitive Science
Social Psychology
Neuroscience

Background:

Strategic coordination relies on integrating abstract reasoning with real-time action observation.
Understanding how humans resolve conflicts between these information sources is crucial for explaining coordinated behavior.

Purpose of the Study:

To investigate how individuals coordinate in a strategic game using partial kinematic information from a partner's actions.
To examine the conflict resolution between strategic expectations and observed movement cues.

Main Methods:

Participants played a HI-LO game against a virtual partner, observing partial kinematic cues (10-40% movement) of grasping actions.
Kinematic information was derived from schematic animations of hand movements, focusing on maximum grip aperture changes.
Participants' choices were analyzed based on their reliance on kinematic cues versus game-theoretic expectations.

Main Results:

Participants predominantly favored higher payoffs, aligning with game-theoretic predictions.
Observed partial kinematic cues significantly altered participants' choices, overriding initial payoff-based expectations.
Early kinematic signals indicating a partner's intention toward a lower-payoff target led participants to revise their preference, enhancing coordination.

Conclusions:

Human strategic coordination prioritizes perceptual evidence of actions over abstract assumptions of rational payoff maximization.
Even minimal, early kinematic cues are powerful in shifting beliefs about an agent's intentions.
Action perception plays a central role in successful strategic coordination and belief updating.