preprints_ui: brg67_v1
Data license: ODbL (database) & original licenses (content) · Data source: Open Science Framework
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| brg67_v1 | A motor abundance approach to augmented feedback for skill learning | In this study, the theoretical framework of motor abundance—specifically task-functional motor synergies—was applied to the design of augmented feedback for skill learning. A custom motor task involving a joystick-controlled plane was developed, where task success required coordinating hand velocity and thumb pressure to align with a predefined solution manifold. In Experiment 1, participants trained without augmented feedback over four 100-trial sessions, demonstrating learning through reduced error, increased UCM ratios, and lower motor synergy sample entropy, indicating within-trial redistribution of movement variance along the task-invariant dimension. Experiment 2 compared participants’ performance in a single practice session under three augmented feedback conditions: no feedback, lower-order sonification (separate mapping of velocity and pressure to sound), and higher-order sonification (sonification of deviation from the solution manifold). All groups improved similarly in performance and coordination structure, but higher-order feedback showed a trend toward greater alignment of movement variance along the manifold. Although not statistically conclusive, this pattern supports the idea that higher-order feedback can shape skill learning by educating attention to higher-order invariants. This study represents a first attempt to develop a theoretically grounded method for designing augmented feedback that leverages motor redundancy, with theoretical and practical considerations for future skill learning interventions. | 2025-05-08T08:48:41.026971 | 2025-05-08T08:56:22.000155 | 2025-05-08T08:56:00.455739 | psyarxiv | 1 | pending | 1 | 1 | https://doi.org/10.31234/osf.io/brg67_v1 | CC-By Attribution 4.0 International | augmented feedback; motor abundance; movement sonification; skill learning; synergies | ["augmented feedback", "motor abundance", "movement sonification", "skill learning", "synergies"] | Michal Toth; Matthew Rodger | [{"id": "xrw38", "name": "Michal Toth", "index": 0, "orcid": null, "bibliographic": true}, {"id": "fwhaf", "name": "Matthew Rodger", "index": 1, "orcid": "0000-0003-1321-3999", "bibliographic": true}] | Michal Toth | Social and Behavioral Sciences; Psychology, other; Perception; Action; Cognitive Psychology; Learning | [{"id": "5b4e7425c6983001430b6c1e", "text": "Social and Behavioral Sciences"}, {"id": "5b4e7426c6983001430b6c45", "text": "Psychology, other"}, {"id": "5b4e7427c6983001430b6c71", "text": "Perception"}, {"id": "5b4e7427c6983001430b6c86", "text": "Action"}, {"id": "5b4e7427c6983001430b6c8c", "text": "Cognitive Psychology"}, {"id": "5b4e7429c6983001430b6cea", "text": "Learning"}] | https://osf.io/download/681c6ff5f359ca2ead1597d1 | 0 | available | available | ["https://osf.io/dbhyp", "https://osf.io/t4z5w"] | prereg_both | 2025-05-09T00:11:35.694997 |