Human performance in three-hands tasks

Abstract The successful completion of complex tasks like hanging a picture or laparoscopic surgery requires coordinated motion of more than two limbs. User-controlled supernumerary robotic limbs (SL) have been proposed to bypass the need for coordination with a partner in such tasks. However, neithe...

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Autores principales:	A. Noccaro, J. Eden, G. Di Pino, D. Formica, E. Burdet
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9274d344d8ce4270891111d3869cb60f
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id	oai:doaj.org-article:9274d344d8ce4270891111d3869cb60f
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spelling	oai:doaj.org-article:9274d344d8ce4270891111d3869cb60f2021-12-02T15:38:10ZHuman performance in three-hands tasks10.1038/s41598-021-88862-92045-2322https://doaj.org/article/9274d344d8ce4270891111d3869cb60f2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88862-9https://doaj.org/toc/2045-2322Abstract The successful completion of complex tasks like hanging a picture or laparoscopic surgery requires coordinated motion of more than two limbs. User-controlled supernumerary robotic limbs (SL) have been proposed to bypass the need for coordination with a partner in such tasks. However, neither the capability to control multiple limbs alone relative to collaborative control with partners, nor how that capability varies across different tasks, is well understood. In this work, we present an investigation of tasks requiring three-hands where the foot was used as an additional source of motor commands. We considered: (1) how does simultaneous control of three hands compare to a cooperating dyad; (2) how this relative performance was altered by the existence of constraints emanating from real or virtual physical connections (mechanical constraints) or from cognitive limits (cognitive constraints). It was found that a cooperating dyad outperformed a single user in all scenarios in terms of task score, path efficiency and motion smoothness. However, while the participants were able to reach more targets with increasing mechanical constraints/decreasing number of simultaneous goals, the relative difference in performance between a dyad and a participant performing trimanual activities decreased, suggesting further potential for SLs in this class of scenario.A. NoccaroJ. EdenG. Di PinoD. FormicaE. BurdetNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q A. Noccaro J. Eden G. Di Pino D. Formica E. Burdet Human performance in three-hands tasks
description	Abstract The successful completion of complex tasks like hanging a picture or laparoscopic surgery requires coordinated motion of more than two limbs. User-controlled supernumerary robotic limbs (SL) have been proposed to bypass the need for coordination with a partner in such tasks. However, neither the capability to control multiple limbs alone relative to collaborative control with partners, nor how that capability varies across different tasks, is well understood. In this work, we present an investigation of tasks requiring three-hands where the foot was used as an additional source of motor commands. We considered: (1) how does simultaneous control of three hands compare to a cooperating dyad; (2) how this relative performance was altered by the existence of constraints emanating from real or virtual physical connections (mechanical constraints) or from cognitive limits (cognitive constraints). It was found that a cooperating dyad outperformed a single user in all scenarios in terms of task score, path efficiency and motion smoothness. However, while the participants were able to reach more targets with increasing mechanical constraints/decreasing number of simultaneous goals, the relative difference in performance between a dyad and a participant performing trimanual activities decreased, suggesting further potential for SLs in this class of scenario.
format	article
author	A. Noccaro J. Eden G. Di Pino D. Formica E. Burdet
author_facet	A. Noccaro J. Eden G. Di Pino D. Formica E. Burdet
author_sort	A. Noccaro
title	Human performance in three-hands tasks
title_short	Human performance in three-hands tasks
title_full	Human performance in three-hands tasks
title_fullStr	Human performance in three-hands tasks
title_full_unstemmed	Human performance in three-hands tasks
title_sort	human performance in three-hands tasks
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9274d344d8ce4270891111d3869cb60f
work_keys_str_mv	AT anoccaro humanperformanceinthreehandstasks AT jeden humanperformanceinthreehandstasks AT gdipino humanperformanceinthreehandstasks AT dformica humanperformanceinthreehandstasks AT eburdet humanperformanceinthreehandstasks
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Human performance in three-hands tasks

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