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Mohan, Vishwanathan, Bhat, Ajaz 
ORCID: https://orcid.org/0000-0002-6992-8224 and Morasso, Pietro
(2019)
Muscleless Motor synergies and actions without movements : From Motor neuroscience to cognitive robotics.
Physics of Life Reviews, 30.
pp. 89-111.
ISSN 1571-0645
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Abstract
Emerging trends in neurosciences are providing converging evidence that cortical networks in predominantly motor areas are activated in several contexts related to ‘action’ that do not cause any overt movement. Indeed for any complex body, human or embodied robot inhabiting unstructured environments, the dual processes of shaping motor output during action execution and providing the self with information related to feasibility, consequence and understanding of potential actions (of oneself/others) must seamlessly alternate during goal-oriented behaviors, social interactions. While prominent approaches like Optimal Control, Active Inference converge on the role of forward models, they diverge on the underlying computational basis. In this context, revisiting older ideas from motor control like the Equilibrium Point Hypothesis and synergy formation, this article offers an alternative perspective emphasizing the functional role of a ‘plastic, configurable’ internal representation of the body (body-schema) as a critical link enabling the seamless continuum between motor control and imagery. With the central proposition that both “real and imagined” actions are consequences of an internal simulation process achieved though passive goal-oriented animation of the body schema, the computational/neural basis of muscleless motor synergies (and ensuing simulated actions without movements) is explored. The rationale behind this perspective is articulated in the context of several interdisciplinary studies in motor neurosciences (for example, intracranial depth recordings from the parietal cortex, FMRI studies highlighting a shared cortical basis for action ‘execution, imagination and understanding’), animal cognition (in particular, tool-use and neuro-rehabilitation experiments, revealing how coordinated tools are incorporated as an extension to the body schema) and pertinent challenges towards building cognitive robots that can seamlessly “act, interact, anticipate and understand” in unstructured natural living spaces.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | synergy formation,motor imagery,inverse models,body schema,tool use and motor skill learning,embodied cognition |
| Faculty \ School: | Faculty of Social Sciences > School of Psychology |
| UEA Research Groups: | Faculty of Social Sciences > Research Groups > Developmental Science |
| Related URLs: | |
| Depositing User: | Pure Connector |
| Date Deposited: | 09 May 2018 10:30 |
| Last Modified: | 25 Sep 2024 13:24 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/66970 |
| DOI: | 10.1016/j.plrev.2018.04.005 |
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