Adapting the visuo-haptic perception through muscle coactivation

Author:

Carboni Gerolamo,Nanayakkara Thrishantha,Takagi Atsushi,Burdet Etienne

Abstract

AbstractWhile the nervous system can coordinate muscles’ activation to shape the mechanical interaction with the environment, it is unclear if and how the arm’s coactivation influences visuo-haptic perception and motion planning. Here we show that the nervous system can voluntarily coactivate muscles to improve the quality of the haptic percept. Subjects tracked a randomly moving visual target they were physically coupled to through a virtual elastic band, where the stiffness of the coupling increased with wrist coactivation. Subjects initially relied on vision alone to track the target, but with practice they learned to combine the visual and haptic percepts in a Bayesian manner to improve their tracking performance. This improvement cannot be explained by the stronger mechanical guidance from the elastic band. These results suggest that with practice the nervous system can learn to integrate a novel haptic percept with vision in an optimal fashion.

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

Cited by 8 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Control limitations in the null-space of the wrist muscle system;Scientific Reports;2024-09-04

2. Assessment of the visual noise influence on muscle activation during a tracking task;2023 IEEE International Symposium on Medical Measurements and Applications (MeMeA);2023-06-14

3. A hierarchical sensorimotor control framework for human-in-the-loop robotic hands;Science Robotics;2023-05-31

4. A Method to Use Haptic Feedback of Laryngoscope Force Vector for Endotracheal Intubation Training;2023 IEEE International Conference on Robotics and Automation (ICRA);2023-05-29

5. Physically interacting humans regulate muscle coactivation to improve visuo-haptic perception;Journal of Neurophysiology;2023-02-01

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