Optimizing motor decision-making through competition with opponents

Abstract Although optimal decision-making is essential for sports performance and fine motor control, it has been repeatedly confirmed that humans show a strong risk-seeking bias, selecting a risky strategy over an optimal solution. Despite such evidence, the ideal method to promote optimal decision...

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Autores principales:	Keiji Ota, Mamoru Tanae, Kotaro Ishii, Ken Takiyama
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ea2297e8504d4c35a8ada18f4ac31d4f
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spelling	oai:doaj.org-article:ea2297e8504d4c35a8ada18f4ac31d4f2021-12-02T15:23:40ZOptimizing motor decision-making through competition with opponents10.1038/s41598-019-56659-62045-2322https://doaj.org/article/ea2297e8504d4c35a8ada18f4ac31d4f2020-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-56659-6https://doaj.org/toc/2045-2322Abstract Although optimal decision-making is essential for sports performance and fine motor control, it has been repeatedly confirmed that humans show a strong risk-seeking bias, selecting a risky strategy over an optimal solution. Despite such evidence, the ideal method to promote optimal decision-making remains unclear. Here, we propose that interactions with other people can influence motor decision-making and improve risk-seeking bias. We developed a competitive reaching game (a variant of the “chicken game”) in which aiming for greater rewards increased the risk of no reward and subjects competed for the total reward with their opponent. The game resembles situations in sports, such as a penalty kick in soccer, service in tennis, the strike zone in baseball, or take-off in ski jumping. In five different experiments, we demonstrated that, at the beginning of the competitive game, the subjects robustly switched their risk-seeking strategy to a risk-averse strategy. Following the reversal of the strategy, the subjects achieved optimal decision-making when competing with risk-averse opponents. This optimality was achieved by a non-linear influence of an opponent’s decisions on a subject’s decisions. These results suggest that interactions with others can alter human motor decision strategies and that competition with a risk-averse opponent is key for optimizing motor decision-making.Keiji OtaMamoru TanaeKotaro IshiiKen TakiyamaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Keiji Ota Mamoru Tanae Kotaro Ishii Ken Takiyama Optimizing motor decision-making through competition with opponents
description	Abstract Although optimal decision-making is essential for sports performance and fine motor control, it has been repeatedly confirmed that humans show a strong risk-seeking bias, selecting a risky strategy over an optimal solution. Despite such evidence, the ideal method to promote optimal decision-making remains unclear. Here, we propose that interactions with other people can influence motor decision-making and improve risk-seeking bias. We developed a competitive reaching game (a variant of the “chicken game”) in which aiming for greater rewards increased the risk of no reward and subjects competed for the total reward with their opponent. The game resembles situations in sports, such as a penalty kick in soccer, service in tennis, the strike zone in baseball, or take-off in ski jumping. In five different experiments, we demonstrated that, at the beginning of the competitive game, the subjects robustly switched their risk-seeking strategy to a risk-averse strategy. Following the reversal of the strategy, the subjects achieved optimal decision-making when competing with risk-averse opponents. This optimality was achieved by a non-linear influence of an opponent’s decisions on a subject’s decisions. These results suggest that interactions with others can alter human motor decision strategies and that competition with a risk-averse opponent is key for optimizing motor decision-making.
format	article
author	Keiji Ota Mamoru Tanae Kotaro Ishii Ken Takiyama
author_facet	Keiji Ota Mamoru Tanae Kotaro Ishii Ken Takiyama
author_sort	Keiji Ota
title	Optimizing motor decision-making through competition with opponents
title_short	Optimizing motor decision-making through competition with opponents
title_full	Optimizing motor decision-making through competition with opponents
title_fullStr	Optimizing motor decision-making through competition with opponents
title_full_unstemmed	Optimizing motor decision-making through competition with opponents
title_sort	optimizing motor decision-making through competition with opponents
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/ea2297e8504d4c35a8ada18f4ac31d4f
work_keys_str_mv	AT keijiota optimizingmotordecisionmakingthroughcompetitionwithopponents AT mamorutanae optimizingmotordecisionmakingthroughcompetitionwithopponents AT kotaroishii optimizingmotordecisionmakingthroughcompetitionwithopponents AT kentakiyama optimizingmotordecisionmakingthroughcompetitionwithopponents
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Optimizing motor decision-making through competition with opponents

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