Using Brain Activation to Evaluate Arrangements Aiding Hand-Eye Coordination in Surgical Robot Systems

Satoshi Miura, Kazuya Kawamura, Yo Kobayashi, Masakatsu G. Fujie

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Goal: To realize intuitive, minimally invasive surgery, surgical robots are often controlled using master-slave systems. However, the surgical robot's structure often differs from that of the human body, so the arrangement between the monitor and master must reflect this physical difference. In this study, we validate the feasibility of an embodiment evaluation method that determines the arrangement between the monitor and master. In our constructed cognitive model, the brain's intraparietal sulcus activates significantly when somatic and visual feedback match. Using this model, we validate a cognitively appropriate arrangement between the monitor and master. Methods: In experiments, we measure participants' brain activation using an imaging device as they control the virtual surgical simulator. Two experiments are carried out that vary the monitor and hand positions. Conclusion: There are two common arrangements of the monitor and master at the brain activation's peak: one is placing the monitor behind the master, so the user feels that the system is an extension of his arms into the monitor; the other arranges the monitor in front of the master, so the user feels the correspondence between his own arm and the virtual arm in the monitor. Significance: From these results, we conclude that the arrangement between the monitor and master impacts embodiment, enabling the participant to feel apparent posture matches in master'slave surgical robot systems.

    Original languageEnglish
    JournalIEEE Transactions on Biomedical Engineering
    DOIs
    Publication statusAccepted/In press - 2018 Jan 1

    Fingerprint

    End effectors
    Brain
    Chemical activation
    Surgery
    Simulators
    Experiments
    Feedback
    Imaging techniques
    Robotic surgery

    Keywords

    • Atmospheric measurements
    • Biomedical monitoring
    • Master-slave system
    • Medical robotics
    • Monitoring
    • Particle measurements
    • Robots
    • Surgery
    • Surgical robotics
    • Teleoperation
    • Visualization

    ASJC Scopus subject areas

    • Biomedical Engineering

    Cite this

    Using Brain Activation to Evaluate Arrangements Aiding Hand-Eye Coordination in Surgical Robot Systems. / Miura, Satoshi; Kawamura, Kazuya; Kobayashi, Yo; Fujie, Masakatsu G.

    In: IEEE Transactions on Biomedical Engineering, 01.01.2018.

    Research output: Contribution to journalArticle

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    abstract = "Goal: To realize intuitive, minimally invasive surgery, surgical robots are often controlled using master-slave systems. However, the surgical robot's structure often differs from that of the human body, so the arrangement between the monitor and master must reflect this physical difference. In this study, we validate the feasibility of an embodiment evaluation method that determines the arrangement between the monitor and master. In our constructed cognitive model, the brain's intraparietal sulcus activates significantly when somatic and visual feedback match. Using this model, we validate a cognitively appropriate arrangement between the monitor and master. Methods: In experiments, we measure participants' brain activation using an imaging device as they control the virtual surgical simulator. Two experiments are carried out that vary the monitor and hand positions. Conclusion: There are two common arrangements of the monitor and master at the brain activation's peak: one is placing the monitor behind the master, so the user feels that the system is an extension of his arms into the monitor; the other arranges the monitor in front of the master, so the user feels the correspondence between his own arm and the virtual arm in the monitor. Significance: From these results, we conclude that the arrangement between the monitor and master impacts embodiment, enabling the participant to feel apparent posture matches in master'slave surgical robot systems.",
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