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Brain activities during synchronized tapping task.

Tomoyuki Hiroyasu, Akiho Murakami, Mao Gto

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |January 7, 2016
    PubMed
    Summary

    This study explored human cooperation with machines. Using a synchronized tapping task, researchers found that a machine simulating emotions enhanced brain activity in the left inferior frontal gyrus during cooperative work.

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    Area of Science:

    • Cognitive Science
    • Neuroscience
    • Human-Computer Interaction

    Background:

    • Understanding human-to-human cooperation is crucial for developing advanced interactive systems.
    • Simulating 'other person' models in machines can potentially enhance human-machine collaboration.
    • Previous research has explored cognitive processes in cooperative tasks, but the neural correlates with simulated emotional models are less understood.

    Purpose of the Study:

    • To investigate how humans process information about others during cooperative work.
    • To examine the mechanism of cooperative work through human-machine interaction.
    • To compare brain activity when cooperating with a machine that models emotions versus one that does not.

    Main Methods:

    • A synchronized tapping task was used for human-machine cooperative work.
    • Two machine models were employed: a simple model and a synchronized model with an 'other person' emotional model.
    • Brain activity was measured using functional near-infrared spectroscopy (fNIRS) during the task.

    Main Results:

    • Subjects exhibited increased activation in the left inferior frontal gyrus when interacting with the synchronized model compared to the simple model.
    • This suggests that the 'other person' model influenced neural processing during cooperation.
    • The findings provide preliminary insights into the neural basis of human-machine cooperation.

    Conclusions:

    • Simulating an emotional 'other person' model in a machine can modulate human brain activity during cooperative tasks.
    • The left inferior frontal gyrus may play a role in processing information about a cooperating partner, even when that partner is a machine with a simulated emotional model.
    • This research lays the groundwork for designing more intuitive and effective human-machine collaborative systems.