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De novo learning versus adaptation of continuous control in a manual tracking task

View ORCID ProfileChristopher S. Yang, View ORCID ProfileNoah J. Cowan, View ORCID ProfileAdrian M. Haith
doi: https://doi.org/10.1101/2020.01.15.906545
Christopher S. Yang
1The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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  • For correspondence: christopher.yang@jhmi.edu
Noah J. Cowan
2Department of Mechanical Engineering, Johns Hopkins University Whiting School of Engineering, Baltimore, MD, USA
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Adrian M. Haith
3Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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Abstract

Learning to perform feedback control is critical for learning many real-world tasks that involve continuous control such as juggling or bike riding. However, most motor learning studies to date have investigated how humans learn feedforward but not feedback control, making it unclear whether people can learn new continuous feedback control policies. Using a manual tracking task, we explicitly examined whether people could learn to counter either a 90° visuomotor rotation or mirror-reversal using feedback control. We analyzed participants’ performance using a frequency domain system identification approach which revealed two distinct components of learning: 1) adaptation of baseline control, which was present only under the rotation, and 2) de novo learning of a continuous feedback control policy, which was present under both rotation and mirror reversal. Our results demonstrate for the first time that people are capable of acquiring a new, continuous feedback controller via de novo learning.

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Posted January 16, 2020.
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De novo learning versus adaptation of continuous control in a manual tracking task
Christopher S. Yang, Noah J. Cowan, Adrian M. Haith
bioRxiv 2020.01.15.906545; doi: https://doi.org/10.1101/2020.01.15.906545
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De novo learning versus adaptation of continuous control in a manual tracking task
Christopher S. Yang, Noah J. Cowan, Adrian M. Haith
bioRxiv 2020.01.15.906545; doi: https://doi.org/10.1101/2020.01.15.906545

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