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Combining Gamification and Haptic Coupling in a Two-Dimensional Tracking Task Performed by Human Dyads.

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    Gamification improved motivation and muscle activity in dyadic exercises, while haptic coupling showed no significant effects. These findings suggest gamification is promising for motor rehabilitation applications.

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    Area of Science:

    • Human-Computer Interaction
    • Motor Control
    • Rehabilitation Engineering

    Background:

    • Dyadic exercises are gaining traction in motor rehabilitation, but optimal design elements remain unclear.
    • Understanding how to enhance motor learning, motivation, and muscle activation in these exercises is crucial.

    Purpose of the Study:

    • To investigate the impact of gamification and haptic coupling on motor learning, motivation, and muscle activation in dyadic exercises.
    • To determine the effectiveness of these design elements for potential applications in motor rehabilitation.

    Main Methods:

    • 62 healthy adult dyads participated, assigned to four groups varying in gamification and haptic coupling presence.
    • Participants learned 2D tracking motions under intermittent force field conditions.
    • A crossover design was used to assess gamification's effects by adding or removing it post-initial protocol.

    Main Results:

    • Haptic coupling demonstrated no significant effects on motor learning, motivation, or muscle activation.
    • Gamification significantly enhanced intrinsic motivation and reduced forearm electromyograms (EMG).
    • The observed reduction in forearm EMG with gamification might be influenced by sample bias.

    Conclusions:

    • Haptic coupling is not a high priority for future dyadic exercise research, particularly given prior studies used minimal visuals.
    • Gamification shows significant promise as a design element for improving engagement and outcomes in dyadic motor rehabilitation exercises.