Flexible planning of corrective responses for double-step reduction in the number of potential targets

Abstract Humans are often required to plan/execute movements in the presence of multiple motor targets simultaneously. Under such situations, it is widely confirmed that humans frequently initiate movements towards the weighted average direction of distinct motor plans toward each potential target....

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Autores principales:	Ryoji Onagawa, Kazutoshi Kudo
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/039fe758414f45c1b51ea7a604951bcd
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spelling	oai:doaj.org-article:039fe758414f45c1b51ea7a604951bcd2021-12-02T17:04:06ZFlexible planning of corrective responses for double-step reduction in the number of potential targets10.1038/s41598-021-86325-92045-2322https://doaj.org/article/039fe758414f45c1b51ea7a604951bcd2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86325-9https://doaj.org/toc/2045-2322Abstract Humans are often required to plan/execute movements in the presence of multiple motor targets simultaneously. Under such situations, it is widely confirmed that humans frequently initiate movements towards the weighted average direction of distinct motor plans toward each potential target. However, in situations where the potential targets change in a step-by-step manner, the strategy to proceed towards the weighted average direction at each time could be sub-optimal in light of the costs of the corrective response. Herein, we tested the sensorimotor strategy followed during a step-by-step reduction of potential goals. To test the hypothesis, we compared the corrective responses when the number of targets went from three to two, and when the number of targets went from three to one at the same time. As the results, weak corrections were confirmed when the number of targets was reduced from three to two. Moreover, the corrective responses when the number of targets went from three to two was smaller than the average behavior estimated from the corrective responses when the number of targets went from three to one at the same time. This pattern of corrective responses reflects the suppression of unnecessary corrections that generate noise and cost to the control system. These results suggest that the corrective responses are flexibly modulated depending on the necessity, and cannot be explained by weighted average behavior.Ryoji OnagawaKazutoshi KudoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ryoji Onagawa Kazutoshi Kudo Flexible planning of corrective responses for double-step reduction in the number of potential targets
description	Abstract Humans are often required to plan/execute movements in the presence of multiple motor targets simultaneously. Under such situations, it is widely confirmed that humans frequently initiate movements towards the weighted average direction of distinct motor plans toward each potential target. However, in situations where the potential targets change in a step-by-step manner, the strategy to proceed towards the weighted average direction at each time could be sub-optimal in light of the costs of the corrective response. Herein, we tested the sensorimotor strategy followed during a step-by-step reduction of potential goals. To test the hypothesis, we compared the corrective responses when the number of targets went from three to two, and when the number of targets went from three to one at the same time. As the results, weak corrections were confirmed when the number of targets was reduced from three to two. Moreover, the corrective responses when the number of targets went from three to two was smaller than the average behavior estimated from the corrective responses when the number of targets went from three to one at the same time. This pattern of corrective responses reflects the suppression of unnecessary corrections that generate noise and cost to the control system. These results suggest that the corrective responses are flexibly modulated depending on the necessity, and cannot be explained by weighted average behavior.
format	article
author	Ryoji Onagawa Kazutoshi Kudo
author_facet	Ryoji Onagawa Kazutoshi Kudo
author_sort	Ryoji Onagawa
title	Flexible planning of corrective responses for double-step reduction in the number of potential targets
title_short	Flexible planning of corrective responses for double-step reduction in the number of potential targets
title_full	Flexible planning of corrective responses for double-step reduction in the number of potential targets
title_fullStr	Flexible planning of corrective responses for double-step reduction in the number of potential targets
title_full_unstemmed	Flexible planning of corrective responses for double-step reduction in the number of potential targets
title_sort	flexible planning of corrective responses for double-step reduction in the number of potential targets
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/039fe758414f45c1b51ea7a604951bcd
work_keys_str_mv	AT ryojionagawa flexibleplanningofcorrectiveresponsesfordoublestepreductioninthenumberofpotentialtargets AT kazutoshikudo flexibleplanningofcorrectiveresponsesfordoublestepreductioninthenumberofpotentialtargets
_version_	1718381829543690240

Flexible planning of corrective responses for double-step reduction in the number of potential targets

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