Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks

Sensorimotor adaptation enables the nervous system to modify actions for different conditions and environments. Many studies have investigated factors that influence adaptation at the group level. There is growing recognition that individuals vary in their ability to adapt motor skills and that a be...

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Autores principales:	Robert T. Moore, Tyler Cluff
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	motor learning adaptation savings individual differences motor memory force-field adaptation Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/4dac73a967294b45902d2fa652b13d26
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spelling	oai:doaj.org-article:4dac73a967294b45902d2fa652b13d262021-12-01T16:28:41ZIndividual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks1662-516110.3389/fnhum.2021.692181https://doaj.org/article/4dac73a967294b45902d2fa652b13d262021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fnhum.2021.692181/fullhttps://doaj.org/toc/1662-5161Sensorimotor adaptation enables the nervous system to modify actions for different conditions and environments. Many studies have investigated factors that influence adaptation at the group level. There is growing recognition that individuals vary in their ability to adapt motor skills and that a better understanding of individual differences in adaptation may inform how motor skills are taught and rehabilitated. Here we examined individual differences in the adaptation of upper-limb reaching movements. We quantified the extent to which participants adapted their movements to a velocity-dependent force field during an initial session, at 24 h, and again 1-week later. Participants (n = 28) displayed savings, which was expressed as greater initial adaptation when re-exposed to the force field. Individual differences in adaptation across various stages of the experiment displayed weak-strong reliability, such that individuals who adapted to a greater extent in the initial session tended to do so when re-exposed to the force field. Our second experiment investigated if individual differences in adaptation are also present when participants adapt to different force fields or a force field and visuomotor rotation. Separate groups of participants adapted to position- and velocity-dependent force fields (Experiment 2a; n = 20) or a velocity-dependent force field and visuomotor rotation in a single session (Experiment 2b; n = 20). Participants who adapted to a greater extent to velocity-dependent forces tended to show a greater extent of adaptation when exposed to position-dependent forces. In contrast, correlations were weak between various stages of adaptation to the force-field and visuomotor rotation. Collectively, our study reveals individual differences in adaptation that are reliable across repeated exposure to the same force field and present when adapting to different force fields.Robert T. MooreRobert T. MooreTyler CluffTyler CluffFrontiers Media S.A.articlemotor learningadaptationsavingsindividual differencesmotor memoryforce-field adaptationNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENFrontiers in Human Neuroscience, Vol 15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	motor learning adaptation savings individual differences motor memory force-field adaptation Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	motor learning adaptation savings individual differences motor memory force-field adaptation Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Robert T. Moore Robert T. Moore Tyler Cluff Tyler Cluff Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
description	Sensorimotor adaptation enables the nervous system to modify actions for different conditions and environments. Many studies have investigated factors that influence adaptation at the group level. There is growing recognition that individuals vary in their ability to adapt motor skills and that a better understanding of individual differences in adaptation may inform how motor skills are taught and rehabilitated. Here we examined individual differences in the adaptation of upper-limb reaching movements. We quantified the extent to which participants adapted their movements to a velocity-dependent force field during an initial session, at 24 h, and again 1-week later. Participants (n = 28) displayed savings, which was expressed as greater initial adaptation when re-exposed to the force field. Individual differences in adaptation across various stages of the experiment displayed weak-strong reliability, such that individuals who adapted to a greater extent in the initial session tended to do so when re-exposed to the force field. Our second experiment investigated if individual differences in adaptation are also present when participants adapt to different force fields or a force field and visuomotor rotation. Separate groups of participants adapted to position- and velocity-dependent force fields (Experiment 2a; n = 20) or a velocity-dependent force field and visuomotor rotation in a single session (Experiment 2b; n = 20). Participants who adapted to a greater extent to velocity-dependent forces tended to show a greater extent of adaptation when exposed to position-dependent forces. In contrast, correlations were weak between various stages of adaptation to the force-field and visuomotor rotation. Collectively, our study reveals individual differences in adaptation that are reliable across repeated exposure to the same force field and present when adapting to different force fields.
format	article
author	Robert T. Moore Robert T. Moore Tyler Cluff Tyler Cluff
author_facet	Robert T. Moore Robert T. Moore Tyler Cluff Tyler Cluff
author_sort	Robert T. Moore
title	Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
title_short	Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
title_full	Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
title_fullStr	Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
title_full_unstemmed	Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks
title_sort	individual differences in sensorimotor adaptation are conserved over time and across force-field tasks
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/4dac73a967294b45902d2fa652b13d26
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Individual Differences in Sensorimotor Adaptation Are Conserved Over Time and Across Force-Field Tasks

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