Exploring the Neurophysiological Effects of Self-Controlled Practice in Motor Skill Learning

in Journal of Motor Learning and Development
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Considerable research has been devoted to understanding how intrinsic motivation can augment the learning of motor skills. Many manipulations targeting intrinsic motivation have led to improved learning, but the mechanisms underlying this effect are not known. Replicating a previous study, we manipulated intrinsic motivation by giving one group self-control over the difficulty of practice, while a control group was yoked to that schedule. We collected measures of intrinsic motivation, engagement, and physiological measures related to dopamine (spontaneous eye-blink rate; sEBR) and approach motivation (frontal alpha asymmetry; FAS) to understand mechanisms underlying learning effects. Although the effect of self-control was not significant in the current experiment, the overall result was statistically significant when combined with the results of our previous study. Overall, there is evidence for a benefit of self-control during practice, but the true effect-size is smaller than initially estimated. Furthermore, even though self-control led to increased intrinsic motivation in the current experiment, individual differences in motivation were not correlated with learning. Similarly, neither sEBR nor FAS were related to learning. Taking a cumulative view, these data suggest that self-control of practice is beneficial to both learning and motivation, but increased motivation does not appear to directly cause improved learning.

Leiker and Miller are with the School of Kinesiology, Auburn University, Auburn, AL. Pathania and Lohse are with the Department of Health, Kinesiology, and Recreation, University of Utah, Salt Lake City, UT. Lohse is also with the Department of Physical Therapy and Athletic Training, University of Utah, Salt Lake City, UT.

Lohse (rehabinformatics@gmail.com) is corresponding author.

Supplementary Materials

    • Supplementary Material 1 (PDF 647 KB)
    • Supplementary Material 2 (PDF 744 KB)