Can moving in a redundant workspace accelerate motor adaptation?

Author:

Esfandiari Jahangir12ORCID,Razavizadeh Seyedsina12ORCID,Stenner Max-Philipp123ORCID

Affiliation:

1. Department of Neurology, Otto-von-Guericke University, Magdeburg, Germany

2. Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Magdeburg, Germany

3. Center for Behavioral Brain Sciences, Magdeburg, Germany

Abstract

Interindividual differences in motor adaptation are partly explained by differences in movement variability. Movement variability is higher in a redundant workspace. Can workspace redundancy increase adaptation? In a within-subject experiment, we show that moving in a workspace that permits versus constrains movement variability in a given spatial dimension modulates adaptation rate in that dimension, at least in part of the workspace where initial movement trajectories vary most, indicating planning noise. Redundant workspaces might aid rehabilitation.

Funder

Deutsche Forschungsgemeinschaft

Volkswagen Foundation

Publisher

American Physiological Society

Subject

Physiology,General Neuroscience

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