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Partner-sourced haptic feedback rather than environmental inputs drives coordination improvement in human dyadic
Yiming Liu1, Raz Leib2, William Dudley3
1Neuromuscular Diagnostics, TUM School of Medicine and Health, Technical University of Munich, Munich, 80809, Germany. yiming.liu@tum.de.
Scientific Reports
|November 18, 2025
Summary
Partner haptics significantly improve physical collaboration by enhancing coordination and leadership dynamics in complex tasks. This research offers insights for developing better human-human and human-robot collaboration strategies.
Area of Science:
- Human-Computer Interaction
- Robotics
- Cognitive Science
Background:
- Haptic communication is vital for physical collaboration, but prior research often uses simplified tasks.
- Complex collaborative tasks allow for richer exploration of interaction dynamics and emergent strategies.
Purpose of the Study:
- To investigate the impact of different haptic feedback sources on collaborative task performance.
- To analyze the emergence of leadership roles in collaborative physical tasks under varying haptic conditions.
Main Methods:
- Designed a complex ball-beam control task requiring collaborative control of an unstable object.
- Systematically varied haptic feedback conditions: full, partner-only, environment-only, none, and unrelated.
- Quantified interpersonal coordination and leadership dynamics using multiple metrics.
Main Results:
- Haptic feedback, particularly partner-sourced, significantly enhanced interpersonal coordination.
- Participants naturally adopted leader-follower roles, with dynamics evolving across haptic conditions.
- Partner haptics proved more influential than environment haptics for coordination.
Conclusions:
- Partner-sourced haptic feedback is crucial for effective physical collaboration and coordination.
- Understanding haptic feedback's role can inform the design of adaptive human-human and human-robot collaboration systems.
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