Leveraging the effector independent nature of motor imagery when it is paired with physical practice

Abstract While considered analogous to physical practice, the nature of imagery-based skill acquisition—specifically whether or not both effector independent and dependent encoding occurs through motor imagery—is not well understood. Here, motor imagery-based training was applied prior to or after p...

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Autores principales:	Sarah N. Kraeutner, Jennifer L. McArthur, Paul H. Kraeutner, David A. Westwood, Shaun G. Boe
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9958d8a35ce443638b4eba1c32438de6
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spelling	oai:doaj.org-article:9958d8a35ce443638b4eba1c32438de62021-12-02T11:42:15ZLeveraging the effector independent nature of motor imagery when it is paired with physical practice10.1038/s41598-020-78120-92045-2322https://doaj.org/article/9958d8a35ce443638b4eba1c32438de62020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78120-9https://doaj.org/toc/2045-2322Abstract While considered analogous to physical practice, the nature of imagery-based skill acquisition—specifically whether or not both effector independent and dependent encoding occurs through motor imagery—is not well understood. Here, motor imagery-based training was applied prior to or after physical practice-based training to probe the nature of imagery-based skill acquisition. Three groups of participants (N = 38) engaged in 10 days of training of a dart throwing task: 5 days of motor imagery prior to physical practice (MIP-PP), motor imagery following physical practice (PP-MIP), or physical practice only (PP-PP). Performance-related outcomes were assessed throughout. Brain activity was measured at three time points using fMRI (pre/mid/post-training; MIP-PP and PP-MIP groups). In contrast with physical practice, motor imagery led to changes in global versus specific aspects of the movement. Following 10 days of training, performance was greater when motor imagery preceded physical practice, although remained inferior to performance resulting from physical practice alone. Greater activation of regions that support effector dependent encoding was observed mid-, but not post-training for the PP-MIP group. Findings indicate that changes driven by motor imagery reflect effector independent encoding, providing new information regarding how motor imagery may be leveraged for skill acquisition.Sarah N. KraeutnerJennifer L. McArthurPaul H. KraeutnerDavid A. WestwoodShaun G. BoeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-16 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sarah N. Kraeutner Jennifer L. McArthur Paul H. Kraeutner David A. Westwood Shaun G. Boe Leveraging the effector independent nature of motor imagery when it is paired with physical practice
description	Abstract While considered analogous to physical practice, the nature of imagery-based skill acquisition—specifically whether or not both effector independent and dependent encoding occurs through motor imagery—is not well understood. Here, motor imagery-based training was applied prior to or after physical practice-based training to probe the nature of imagery-based skill acquisition. Three groups of participants (N = 38) engaged in 10 days of training of a dart throwing task: 5 days of motor imagery prior to physical practice (MIP-PP), motor imagery following physical practice (PP-MIP), or physical practice only (PP-PP). Performance-related outcomes were assessed throughout. Brain activity was measured at three time points using fMRI (pre/mid/post-training; MIP-PP and PP-MIP groups). In contrast with physical practice, motor imagery led to changes in global versus specific aspects of the movement. Following 10 days of training, performance was greater when motor imagery preceded physical practice, although remained inferior to performance resulting from physical practice alone. Greater activation of regions that support effector dependent encoding was observed mid-, but not post-training for the PP-MIP group. Findings indicate that changes driven by motor imagery reflect effector independent encoding, providing new information regarding how motor imagery may be leveraged for skill acquisition.
format	article
author	Sarah N. Kraeutner Jennifer L. McArthur Paul H. Kraeutner David A. Westwood Shaun G. Boe
author_facet	Sarah N. Kraeutner Jennifer L. McArthur Paul H. Kraeutner David A. Westwood Shaun G. Boe
author_sort	Sarah N. Kraeutner
title	Leveraging the effector independent nature of motor imagery when it is paired with physical practice
title_short	Leveraging the effector independent nature of motor imagery when it is paired with physical practice
title_full	Leveraging the effector independent nature of motor imagery when it is paired with physical practice
title_fullStr	Leveraging the effector independent nature of motor imagery when it is paired with physical practice
title_full_unstemmed	Leveraging the effector independent nature of motor imagery when it is paired with physical practice
title_sort	leveraging the effector independent nature of motor imagery when it is paired with physical practice
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/9958d8a35ce443638b4eba1c32438de6
work_keys_str_mv	AT sarahnkraeutner leveragingtheeffectorindependentnatureofmotorimagerywhenitispairedwithphysicalpractice AT jenniferlmcarthur leveragingtheeffectorindependentnatureofmotorimagerywhenitispairedwithphysicalpractice AT paulhkraeutner leveragingtheeffectorindependentnatureofmotorimagerywhenitispairedwithphysicalpractice AT davidawestwood leveragingtheeffectorindependentnatureofmotorimagerywhenitispairedwithphysicalpractice AT shaungboe leveragingtheeffectorindependentnatureofmotorimagerywhenitispairedwithphysicalpractice
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Leveraging the effector independent nature of motor imagery when it is paired with physical practice

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