Motor modules account for active perception of force

Abstract Despite longstanding evidence suggesting a relation between action and perception, the mechanisms underlying their integration are still unclear. It has been proposed that to simplify the sensorimotor integration processes underlying active perception, the central nervous system (CNS) selec...

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Autores principales:	Simone Toma, Marco Santello
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2019
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fb06fc32add84c2e97ceeba9c101f525
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spelling	oai:doaj.org-article:fb06fc32add84c2e97ceeba9c101f5252021-12-02T15:09:37ZMotor modules account for active perception of force10.1038/s41598-019-45480-w2045-2322https://doaj.org/article/fb06fc32add84c2e97ceeba9c101f5252019-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-019-45480-whttps://doaj.org/toc/2045-2322Abstract Despite longstanding evidence suggesting a relation between action and perception, the mechanisms underlying their integration are still unclear. It has been proposed that to simplify the sensorimotor integration processes underlying active perception, the central nervous system (CNS) selects patterns of movements aimed at maximizing sampling of task-related sensory input. While previous studies investigated the action-perception loop focusing on the role of higher-level features of motor behavior (e.g., kinematic invariants, effort), the present study explored and quantified the contribution of lower-level organization of motor control. We tested the hypothesis that the coordinated recruitment of group of muscles (i.e., motor modules) engaged to counteract an external force contributes to participants’ perception of the same force. We found that: 1) a model describing the modulation of a subset of motor modules involved in the motor task accounted for about 70% of participants’ perceptual variance; 2) an alternative model, incompatible with the motor modules hypothesis, accounted for significantly lower variance of participants’ detection performance. Our results provide empirical evidence of the potential role played by muscle activation patterns in active perception of force. They also suggest that a modular organization of motor control may mediate not only coordination of multiple muscles, but also perceptual inference.Simone TomaMarco SantelloNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 9, Iss 1, Pp 1-16 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Simone Toma Marco Santello Motor modules account for active perception of force
description	Abstract Despite longstanding evidence suggesting a relation between action and perception, the mechanisms underlying their integration are still unclear. It has been proposed that to simplify the sensorimotor integration processes underlying active perception, the central nervous system (CNS) selects patterns of movements aimed at maximizing sampling of task-related sensory input. While previous studies investigated the action-perception loop focusing on the role of higher-level features of motor behavior (e.g., kinematic invariants, effort), the present study explored and quantified the contribution of lower-level organization of motor control. We tested the hypothesis that the coordinated recruitment of group of muscles (i.e., motor modules) engaged to counteract an external force contributes to participants’ perception of the same force. We found that: 1) a model describing the modulation of a subset of motor modules involved in the motor task accounted for about 70% of participants’ perceptual variance; 2) an alternative model, incompatible with the motor modules hypothesis, accounted for significantly lower variance of participants’ detection performance. Our results provide empirical evidence of the potential role played by muscle activation patterns in active perception of force. They also suggest that a modular organization of motor control may mediate not only coordination of multiple muscles, but also perceptual inference.
format	article
author	Simone Toma Marco Santello
author_facet	Simone Toma Marco Santello
author_sort	Simone Toma
title	Motor modules account for active perception of force
title_short	Motor modules account for active perception of force
title_full	Motor modules account for active perception of force
title_fullStr	Motor modules account for active perception of force
title_full_unstemmed	Motor modules account for active perception of force
title_sort	motor modules account for active perception of force
publisher	Nature Portfolio
publishDate	2019
url	https://doaj.org/article/fb06fc32add84c2e97ceeba9c101f525
work_keys_str_mv	AT simonetoma motormodulesaccountforactiveperceptionofforce AT marcosantello motormodulesaccountforactiveperceptionofforce
_version_	1718387853570867200

Motor modules account for active perception of force

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