When a robot teaches humans: Automated feedback selection accelerates motor learning

Rauter, Georg and Gerig, Nicolas and Sigrist, Roland and Riener, Robert and Wolf, Peter. (2019) When a robot teaches humans: Automated feedback selection accelerates motor learning. Science robotics, 4 (27). eaav1560.

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Official URL: https://edoc.unibas.ch/71085/

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A multitude of robotic systems have been developed to foster motor learning. Some of these robotic systems featured augmented visual or haptic feedback, which was automatically adjusted to the trainee's performance. However, selecting the type of feedback to achieve the training goal usually remained up to a human trainer. We automated this feedback selection within a robotic rowing simulator: Four spatial errors and one velocity error were considered, all related to trunk-arm sweep rowing set as the training goal to be learned. In an alternating sequence of assessments without augmented feedback and training sessions with augmented, concurrent feedback, the experimental group received feedback, thus addressing the main shortcoming of the previous assessment. With this approach, each participant of the experimental group received an individual sequence of 10 training sessions with feedback. The training sequences from participants in the experimental group were consecutively applied for participants in the control group. Both groups were able to reduce spatial and velocity errors due to training. The learning rate of the requested velocity profile was significantly higher for the experimental group compared with the control group. Thus, our robotic rowing simulator accelerated motor learning by automated feedback selection. This demonstration of a working, closed-loop selection of types of feedback, i.e., training conditions, could serve as the basis for other robotic trainers incorporating further human expertise and artificial intelligence.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedical Engineering > Laser and Robotics > Bio-Inspired Robots for Medicine-Lab (Rauter)
UniBasel Contributors:Rauter, Georg and Gerig, Nicolas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Association for the Advancement of Science
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Jul 2020 13:36
Deposited On:06 Jul 2020 13:36

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