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The effects of periodic and noisy tendon vibration on a kinesthetic targeting task

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Abstract

Tendon vibration is used extensively to assess the role of peripheral mechanoreceptors in motor control, specifically, the muscle spindles. Periodic tendon vibration is known to activate muscle spindles and induce a kinesthetic illusion that the vibrated muscle is longer than it actually is. Noisy tendon vibration has been used to assess the frequency characteristics of proprioceptive reflex pathways during standing; however, it is unknown if it induces the same kinesthetic illusions as periodic vibration. The purpose of the current study was to assess the effects of both periodic and noisy tendon vibration in a kinesthetic targeting task. Participants (N = 15) made wrist extension movements to a series of visual targets without vision of the limb, while their wrist flexors were either vibrated with periodic vibration (20, 40, 60, 80, and 100 Hz), or with noisy vibration which consisted of filtered white noise with power between ~ 20 and 100 Hz. Overall, our results indicate that both periodic and noisy vibration can induce robust targeting errors during a wrist targeting task. Specifically, the vibration resulted in an undershooting error when moving to the target. The findings from this study have important implications for the use of noisy tendon vibration to assess proprioceptive reflex pathways and should be considered when designing future studies using noisy vibration.

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Data availability

The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

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Funding

This work was supported by the Natural Sciences and Engineering Research Council to JTI [Grant number: 2017-04504] and RC [Grant number: 2019-04513] and a graduate research award to GE.

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Authors

Contributions

GE: conceptualization, methodology, formal analysis, investigation, visualization, and writing—original draft. AS: investigation, writing—review and editing. BG: investigation, writing—review and editing. RC: conceptualization, methodology, writing—review and editing, supervision, and funding acquisition. JTI: conceptualization, methodology, writing—review and editing, supervision, and funding acquisition.

Corresponding author

Correspondence to Gregg Eschelmuller.

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Conflict of interest

The authors declare that they have no conflict of interest.

Ethical approval and consent to participate

All procedures used in this study were approved by the behaviour research ethics board at the University of British Columbia. Freely given informed written consent was obtained from all participants prior to participation in any study procedures.

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All participants consented for their de-identified data to be published.

Additional information

Communicated by Bill J Yates.

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Eschelmuller, G., Szarka, A., Gandossi, B. et al. The effects of periodic and noisy tendon vibration on a kinesthetic targeting task. Exp Brain Res 242, 59–66 (2024). https://doi.org/10.1007/s00221-023-06727-1

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  • DOI: https://doi.org/10.1007/s00221-023-06727-1

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