• Miguel López-Fernández, Rafael Sabido, Carla Caballero, and Francisco J Moreno.
• Sport Research Centre, Department of Sport Science, Miguel Hernández University, Elche, Spain. Electronic address: m.lopezf@umh.es.
• Neuroscience. 2025 Jan 26; 565: 301311301-311.

AbstractMotor variability is an intrinsic feature of human beings that has been associated with the ability for learning and adaptation to specific tasks. The purpose of this review is to examine whether there is a possible direct relationship between individuals' initial variability in their ability for learning and adaptation in motor tasks. Eighteen articles examined the relationship between initial motor variability and the ability for learning or adaptation. Twelve found a direct relationship. In reward-based tasks, greater initial variability was associated with greater learning and adaption improvement when assessed using linear measures of dispersion, however, this association was not observed with temporal structure variability. While in error-based task associations were reported with both greater amount variability and more complexity temporal structure. Nevertheless, bias in initial performance related to the amount of variability was found, so the temporal structure of initial variability seems to be a better indicator of improvement in this type of task. Further research is needed for further research to better understand the potential relationship between initial motor variability and the ability for learning or adaptation in motor tasks.Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.

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