Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory

Abstract When we have rehearsed a movement using an object, we can reproduce the movement without holding the object. However, the reproduced movement sometimes differs from the movement holding a real object, likely because movement recognition is inaccurate. In the present study, we tested whether...

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Autores principales:	Nobuaki Mizuguchi, Shohei Tsuchimoto, Hirofumi Fujii, Kouki Kato, Tomoyuki Nagami, Kazuyuki Kanosue
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/eafb2a78b2be42fc99aff3dec2a07452
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spelling	oai:doaj.org-article:eafb2a78b2be42fc99aff3dec2a074522021-12-02T15:10:46ZRecognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory10.1038/s41598-021-96381-w2045-2322https://doaj.org/article/eafb2a78b2be42fc99aff3dec2a074522021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96381-whttps://doaj.org/toc/2045-2322Abstract When we have rehearsed a movement using an object, we can reproduce the movement without holding the object. However, the reproduced movement sometimes differs from the movement holding a real object, likely because movement recognition is inaccurate. In the present study, we tested whether the recognition capability was dissociated from the acquisition of motor skill memory. Twelve novices were asked to rotate two balls with their right hand as quickly as possible; they practiced the task for 29 days. To evaluate recognition capability, we calculated the difference in coordination pattern of all five digits between the ball-rotation movement and the reproduced movement without holding balls. The recognition capability did not change within the first day, but improved after one week of practice. On the other hand, performance of the ball rotation significantly improved within the first day. Since improvement of performance is likely associated with acquisition of motor skill memory, we suggest that recognition capability, which reflects the capability to cognitively access motor skill memory, was dissociated from the acquisition of motor skill memory. Therefore, recognition of one’s own skilled movement would rely on a hierarchical structure of acquisition of motor skill memory and cognitive access to that memory.Nobuaki MizuguchiShohei TsuchimotoHirofumi FujiiKouki KatoTomoyuki NagamiKazuyuki KanosueNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nobuaki Mizuguchi Shohei Tsuchimoto Hirofumi Fujii Kouki Kato Tomoyuki Nagami Kazuyuki Kanosue Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
description	Abstract When we have rehearsed a movement using an object, we can reproduce the movement without holding the object. However, the reproduced movement sometimes differs from the movement holding a real object, likely because movement recognition is inaccurate. In the present study, we tested whether the recognition capability was dissociated from the acquisition of motor skill memory. Twelve novices were asked to rotate two balls with their right hand as quickly as possible; they practiced the task for 29 days. To evaluate recognition capability, we calculated the difference in coordination pattern of all five digits between the ball-rotation movement and the reproduced movement without holding balls. The recognition capability did not change within the first day, but improved after one week of practice. On the other hand, performance of the ball rotation significantly improved within the first day. Since improvement of performance is likely associated with acquisition of motor skill memory, we suggest that recognition capability, which reflects the capability to cognitively access motor skill memory, was dissociated from the acquisition of motor skill memory. Therefore, recognition of one’s own skilled movement would rely on a hierarchical structure of acquisition of motor skill memory and cognitive access to that memory.
format	article
author	Nobuaki Mizuguchi Shohei Tsuchimoto Hirofumi Fujii Kouki Kato Tomoyuki Nagami Kazuyuki Kanosue
author_facet	Nobuaki Mizuguchi Shohei Tsuchimoto Hirofumi Fujii Kouki Kato Tomoyuki Nagami Kazuyuki Kanosue
author_sort	Nobuaki Mizuguchi
title	Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
title_short	Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
title_full	Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
title_fullStr	Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
title_full_unstemmed	Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
title_sort	recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/eafb2a78b2be42fc99aff3dec2a07452
work_keys_str_mv	AT nobuakimizuguchi recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory AT shoheitsuchimoto recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory AT hirofumifujii recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory AT koukikato recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory AT tomoyukinagami recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory AT kazuyukikanosue recognitioncapabilityofonesownskilledmovementisdissociatedfromacquisitionofmotorskillmemory
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Recognition capability of one’s own skilled movement is dissociated from acquisition of motor skill memory

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