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03696nam a2200565Ia 4500 |
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10.3389-fnbot.2022.795079 |
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220425s2022 CNT 000 0 und d |
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|a 16625218 (ISSN)
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|a Involvement of the Rostromedial Prefrontal Cortex in Human-Robot Interaction: fNIRS Evidence From a Robot-Assisted Motor Task
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|b Frontiers Media S.A.
|c 2022
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|z View Fulltext in Publisher
|u https://doi.org/10.3389/fnbot.2022.795079
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|a Assistive exoskeleton robots are being widely applied in neurorehabilitation to improve upper-limb motor and somatosensory functions. During robot-assisted exercises, the central nervous system appears to highly attend to external information-processing (IP) to efficiently interact with robotic assistance. However, the neural mechanisms underlying this process remain unclear. The rostromedial prefrontal cortex (rmPFC) may be the core of the executive resource allocation that generates biases in the allocation of processing resources toward an external IP according to current behavioral demands. Here, we used functional near-infrared spectroscopy to investigate the cortical activation associated with executive resource allocation during a robot-assisted motor task. During data acquisition, participants performed a right-arm motor task using elbow flexion-extension movements in three different loading conditions: robotic assistive loading (ROB), resistive loading (RES), and non-loading (NON). Participants were asked to strive for kinematic consistency in their movements. A one-way repeated measures analysis of variance and general linear model-based methods were employed to examine task-related activity. We demonstrated that hemodynamic responses in the ventral and dorsal rmPFC were higher during ROB than during NON. Moreover, greater hemodynamic responses in the ventral rmPFC were observed during ROB than during RES. Increased activation in ventral and dorsal rmPFC subregions may be involved in the executive resource allocation that prioritizes external IP during human-robot interactions. In conclusion, these findings provide novel insights regarding the involvement of executive control during a robot-assisted motor task. Copyright © 2022 Le, Watanabe, Ogawa, Matsushita, Imada, Taki, Iwamoto, Imura, Araki, Araki, Ono, Nishijo, Fujita and Urakawa.
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|a Assistive
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|a assistive exoskeleton robot
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|a Assistive exoskeleton robot
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|a Chemical activation
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|a Data acquisition
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|a executive function
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|a Executive function
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|a Exoskeleton (Robotics)
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|a Exoskeleton robots
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|a frontal pole
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|a Frontal pole
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|a Human robot interaction
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|a Hybrid assistive limb
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|a Hybrid Assistive Limb (HAL®)
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|a Hybrid assistive limbs
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|a Infrared devices
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|a Loading
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|a Near infrared spectroscopy
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|a Near-infrared spectroscopy
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|a NIRS (near-infrared spectroscopy)
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|a Prefrontal cortex
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|a prefrontal cortex (PFC)
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|a Resource allocation
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|a Araki, H.
|e author
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|a Araki, O.
|e author
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|a Fujita, N.
|e author
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|a Imada, N.
|e author
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|a Imura, T.
|e author
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|a Iwamoto, Y.
|e author
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|a Le, D.T.
|e author
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|a Matsushita, K.
|e author
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|a Nishijo, H.
|e author
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|a Ogawa, H.
|e author
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|a Ono, T.
|e author
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|a Taki, S.
|e author
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|a Urakawa, S.
|e author
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|a Watanabe, K.
|e author
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|t Frontiers in Neurorobotics
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