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Minimal impact of chronic proprioceptive loss on implicit sensorimotor adaptation and perceived movement outcome Tsay, Jonathan; Chandy, Anisha; Chua, Romeo; Miall, R. Chris; Cole, Jonathan; Farnè, Alessandro; Ivry, Richard; Sarlegna, Fabrice

Description

<b>Abstract</b><br/>

Implicit sensorimotor adaptation keeps our movements well-calibrated amid changes in the body and environment. We have recently postulated that implicit adaptation is driven by a perceptual error: the difference between the desired and perceived movement outcome. According to this perceptual re-alignment model, implicit adaptation ceases when the perceived movement outcome – a multimodal percept determined by a prior belief conveying the intended action, the motor command, and feedback from proprioception and vision – is aligned with the desired movement outcome. Here, we examined the role of proprioception in implicit motor adaptation and perceived movement outcome by examining individuals who experience deafferentation (i.e., individuals with impaired proprioception and touch). We used a modified visuomotor rotation task designed to isolate implicit adaptation and probe perceived movement outcome throughout the experiment. Surprisingly, both implicit adaptation and perceived movement outcome were minimally impacted by chronic deafferentation, posing a challenge to the perceptual re-alignment model of implicit adaptation.</p>

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Title	Minimal impact of chronic proprioceptive loss on implicit sensorimotor adaptation and perceived movement outcome
Creator	Tsay, Jonathan; Chandy, Anisha; Chua, Romeo; Miall, R. Chris; Cole, Jonathan; Farnè, Alessandro; Ivry, Richard; Sarlegna, Fabrice
Date Issued	2023-02-16
Description	<b>Abstract</b><br/> Implicit sensorimotor adaptation keeps our movements well-calibrated amid changes in the body and environment. We have recently postulated that implicit adaptation is driven by a perceptual error: the difference between the desired and perceived movement outcome. According to this perceptual re-alignment model, implicit adaptation ceases when the perceived movement outcome – a multimodal percept determined by a prior belief conveying the intended action, the motor command, and feedback from proprioception and vision – is aligned with the desired movement outcome. Here, we examined the role of proprioception in implicit motor adaptation and perceived movement outcome by examining individuals who experience deafferentation (i.e., individuals with impaired proprioception and touch). We used a modified visuomotor rotation task designed to isolate implicit adaptation and probe perceived movement outcome throughout the experiment. Surprisingly, both implicit adaptation and perceived movement outcome were minimally impacted by chronic deafferentation, posing a challenge to the perceptual re-alignment model of implicit adaptation.</p>
Subject	Other; motor learning; sensorimotor psychophysics; visuomotor adaptation
Type	Dataset
Notes	Dryad version number: 7</p> Version status: submitted</p> Dryad curation status: Published</p> Sharing link: http://datadryad.org/stash/dataset/doi:10.6078/D19T4V</p> Storage size: 3630874</p> Visibility: public</p>
Date Available	2024-07-08
Provider	University of British Columbia Library
License	CC0 1.0
DOI	10.14288/1.0425269
URI	https://doi.org/10.5683/SP3/LSIJ4M
Publisher DOI	https://doi.org/10.5683/SP3/LSIJ4M; https://doi.org/10.6078/D19T4V
Rights URI	http://creativecommons.org/publicdomain/zero/1.0
Aggregated Source Repository	Dataverse

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